instruction-manual-of-recloser-controller-r-200 compress

RECLOSER CONTROLLER
for Distribution Automation
(Model Name : FTU – R200)
JIN KWANG E & CORPORATION
705, Buk-ri, Namsa-myun, Yongin, Kyunggi-do, Korea
Tel
+82-31-333-3444
Fax
+82-31-332-5300, 5301
Website
http://www.jinkwang.co.kr
E-mail
business@jinkwang.co.kr
ISO 9001 certified
Recloser controller FTU- R200
CONTENTS
1.
2.
OVERVIEW................................................................................................................................................................................................. 8
1.1.
Protection of Distribution Lines ........................................................................................................... 8
1.2.
Function of Automatic Circuit Recloser ............................................................................................ 8
1.3.
Main Features of FTU-R200 ................................................................................................................... 9
Technical Data ....................................................................................................................................................................................... 12
2.1.1.
2.1.2
Digital Processor .......................................................................................................................................12
Dual Processor Architecture ............................................................................................ 12
2.1.2Analog/Digital Conversion ......................................................................................................... 12
2.1.3.
DSP..................................................................................................................................... 13
2.1.4.
CPU .................................................................................................................................... 13
2.1.5.
Functional Block Diagram ................................................................................................ 14
2.2.
Environmental Conditions..................................................................................................................... 14
2.3.
Inputs/Outputs .......................................................................................................................................... 15
2.4.
Measurement .............................................................................................................................................17
2.4.1.
Current ................................................................................................................................ 17
2.4.2.
Voltage ............................................................................................................................... 17
2.4.3.
Power ................................................................................................................................. 18
2.4.4.
Power Factor ..................................................................................................................... 18
2.4.5.
Frequency .......................................................................................................................... 18
2.4.6.
Energy ................................................................................................................................ 18
2.4.7.
Harmonic ........................................................................................................................... 18
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2.4.8.
2.5.
4.
Demand Current and Power............................................................................................ 19
Communication .........................................................................................................................................19
2.5.1.
Physical Layer .................................................................................................................... 19
2.5.2.
Protocol for scada ............................................................................................................ 19
2.6.
3.
Recloser controller FTU- R200
Recording .....................................................................................................................................................20
2.6.1.
Event Recorder .................................................................................................................. 20
2.6.2.
Waveform Event Recorder ............................................................................................... 21
Construct and External Connection ............................................................................................................................................. 22
3.1.
Appearance & Dimension ....................................................................................................................22
3.2.
Connector .................................................................................................................................................... 24
Front Panel Operations ..................................................................................................................................................................... 25
4.1.
Button & LED Description ....................................................................................................................26
4.1.1.
LCD Display ....................................................................................................................... 26
4.1.2.
FTU Status ......................................................................................................................... 26
4.1.3.
MENU/UP/DOWN/ENTER Buttons .................................................................................. 26
4.1.4.
Serial Port .......................................................................................................................... 26
4.1.5.
Ethernet/SCADA/Protection Communication Led ......................................................... 26
4.1.6.
Battery Test & Lamp Test ................................................................................................ 27
4.1.7.
Reset Button...................................................................................................................... 27
4.1.8.
Function Led ..................................................................................................................... 27
4.1.9.
RECLOSE/PROTECTION/GROUND Enable Buttons and LEDS ...................................... 28
4.1.10.
REMOTE/CONTROL LOCK Buttons and LEDS ................................................................ 28
4.1.11.
SELECT/OPEN/CLOSE Buttons and LEDS ........................................................................ 28
4.2.
LCD Manipulation.....................................................................................................................................29
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4.2.1.
5.
LCD Menu ......................................................................................................................... 30
Protection Functions .......................................................................................................................................................................... 35
5.1.
6
Recloser controller FTU- R200
Fault Detection .......................................................................................................................................... 35
5.1.1
Definite Time Protection ............................................................................................. 36
5.1.2
High Current Trip (HCT) .............................................................................................. 36
5.1.3
Single Shot Operation ................................................................................................. 37
5.1.4
TC Curve .......................................................................................................................... 37
5.1.5
Example of TC Curve Editing ........................................................................................... 39
5.1.6
Auto Reclosing Sequence ........................................................................................... 41
5.1.7
Sequence Coodination ................................................................................................. 43
5.2
Cold Load Pickup .................................................................................................................................44
5.3
Sensitive Earth Fault (SEF) Detection .............................................................................................. 45
5.4
Directional Blocking.................................................................................................................................46
5.5
Inrush Restraints .......................................................................................................................................47
5.6
Open Line Detection (Loss Of Phase)..............................................................................................47
5.7
Phase Sync. Check....................................................................................................................................48
5.8
Under Voltage Protection ..................................................................................................................... 48
5.9
Over Voltage Protection ........................................................................................................................ 49
5.10
Under Frequency Protection ................................................................................................................ 49
5.11
Multiple Protection Groups.................................................................................................................. 50
Configuration Setting......................................................................................................................................................................... 51
6.1
I/O Configuration .....................................................................................................................................51
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6.1.1
AC Rating .......................................................................................................................... 51
6.1.2
Demand Setting ................................................................................................................ 54
6.1.3
Wave Trigger ..................................................................................................................... 54
6.1.4
Close Interlock .................................................................................................................. 55
6.1.5
FI Reset Select ................................................................................................................... 55
6.1.6
Voltage Display ................................................................................................................. 55
6.2
8
Power Quality Measurement Funcion .............................................................................................55
6.2.1
Voltage & Current Unbalance ......................................................................................... 55
6.2.2
Short-Duration Voltage Variation ................................................................................... 56
6.2.3
Voltage & Current THD Alarm ........................................................................................ 58
6.3
7
Recloser controller FTU- R200
Communication .........................................................................................................................................58
6.3.1
Port Parameters ................................................................................................................ 58
6.3.2
DNP3.0 Parameters........................................................................................................... 60
6.3.3
IEC Parameters .................................................................................................................. 61
Status Monitoring & Control.......................................................................................................................................................... 62
7.1
Switch Control............................................................................................................................................62
7.2
Switch Status Monitoring ...................................................................................................................... 62
7.3
Battey Monitoring ....................................................................................................................................63
Measurements ....................................................................................................................................................................................... 64
8.1
Basic Electric Quantities ......................................................................................................................... 64
8.2
Sequence Components .......................................................................................................................... 64
8.3
Harmonics ....................................................................................................................................................65
8.4
Energy ............................................................................................................................................................65
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8.5
9
10
11
Recloser controller FTU- R200
Demand currents and power ..............................................................................................................66
Maintenance Software ....................................................................................................................................................................... 67
9.1
Overview .......................................................................................................................................................67
9.2
Operation of FTUMan............................................................................................................................ 68
9.2.1
Menu .................................................................................................................................. 68
9.2.2
Toolbar .............................................................................................................................. 70
9.2.3
Statusbar.............................................................................................................................71
9.2.4
Monitoring bar ................................................................................................................... 71
9.2.5
Function and configuration Setting ................................................................................. 71
9.2.6
Event .................................................................................................................................. 74
9.2.7
Measurement .................................................................................................................... 82
9.2.8
Status ................................................................................................................................. 88
9.2.9
Waveform .......................................................................................................................... 89
I/O Configuration Tool ...................................................................................................................................................................... 91
10.1
Overview .......................................................................................................................................................91
10.2
Operation of IOConfig .......................................................................................................................... 92
10.2.1
Menu .................................................................................................................................. 93
10.2.2
Toolbar .............................................................................................................................. 93
10.2.3
Input................................................................................................................................... 94
10.2.4
Output ............................................................................................................................... 95
DNP3.0 Index Configuration Tool ................................................................................................................................................ 96
11.1
Overview .......................................................................................................................................................96
11.2
Operation of DNPConfig...................................................................................................................... 97
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12
Recloser controller FTU- R200
11.3.1
Menu .................................................................................................................................. 98
11.3.2
Toolbar .............................................................................................................................. 99
11.3.3
Configuration Tool Box .................................................................................................. 10 0
11.3.4
Binary Input ..................................................................................................................... 10 0
11.3.5
Binary Output .................................................................................................................. 10 2
11.3.6
Analog Input ................................................................................................................... 10 3
11.3.7
Counter ............................................................................................................................ 10 5
Waveform Evaluation Tool............................................................................................................................................................ 107
12.1
Overview .................................................................................................................................................... 107
12.2
Operation of EvalTool ........................................................................................................................ 108
12.2.1
Menu ................................................................................................................................ 10 9
12.2.2
Toolbar .............................................................................................................................110
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1.
Recloser controller FTU- R200
OVER VIEW
1.1.
PROTECTION OF DISTRIBUTION LINES
Distribution lines have their own equipment outdoors, the types of loads are various, and the
configurations of the networks are flexible and complicated. There are many kinds of fault causes
such as direct contact of trees or birds, natural phenomenon of lightning or heavy snow, and fault
spread-out due to customer’s facilities. Among these faults, most of faults are temporary and the
dominant fault type is ground-fault.
For rapid fault detection and fault section isolation, blackout area minimization, many protection
devices such as Recloser, Sectionalizer, and Line Fuse are adopted. Among these devices,
Automatic Circuit Recloser is the most important protection device, whose main functions are fault
current trip and auto-reclosing.
One distribution line has over 2 Reclosers of serial connections or Recloser – Sectionalizer - Line
Fuse of serial connections. This configuration is the concept of Primary Protection and Back-up
Protection. In other words, protection coordination is required in the way that a protection device
nearer to fault point operates first to eliminate the fault and other devices farther from fault point
are configured to operate later with time delays.
1.2.
FUNCTION OF AUTOMATIC CIRCUIT RECLOSER
When a fault occurs on the load side of Recloser installed location, Recloser detects fault current,
trips fault current at high speed, and does reclosing actions after the set time to re-activate the
faulted section. In case of temporary fault, the fault can be removed by itself according to highspeed trip and dead time before reclosing actions. But, in case of permanent fault, because fault
current is still detected after trip and reclosing actions of pre-set counts, Recloser is locked out
finally as opened.
Recloser has the time delay element in protection function of its controller and can be freely
configured for protection coordination with other protection devices.
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1.3.
Recloser controller FTU- R200
MAIN FEATURES OF FTU-R200
Recloser body is connected serially to distribution line to operate open / close of the line, and
Recloser Controller is in charge of measurements of currents, voltages, and other electric values,
protection, control, status monitoring, recording, and communication.
FTU-R200 is a kind of IED’s (Intelligent Electronic Device) for power system automation, which is
a fully digitalized and microprocessor-based control device, and through connecting with this
control device, Recloser can play a role of automated protection device.
Main features of FTU-R200 are as follows,
Measurements
Magnitude and phase angle of voltages & currents(Fundamental frequency)
Sequence components of 3-Phase voltages & currents
True RMS, Harmonics and THD of voltages & currents
Active, reactive and apparent power for each phase and 3-phase
Energy(4-quadrant metering)
Displacement Power Factor
Frequency
PQM, Fault, THD Counter
Phase difference between source-side and load-side voltage
Control
Manual Recloser Open/Close at local or remote(Select Before Operation)
Interlocking(Gas low, Handle lock, Operator place, Sync Fail, Live Load)
Batter Test
External Trip and Close By contact input(Optional)
Enable or disable reclosing, protection and Ground function
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Protection
3-stage over current protection
Fast and Delayed TC trip elements for phase and earth fault
54 types of built-in TC Curves and 4 Customized TC Curves
Definite time over-current element
Definite time HCT(High Current Trip)
SEF(Sensitive Earth Fault) Detection
Auto-Reclosing(up to 4 shots)
Cold Load protection(Pickup Adjustment)
Magnetizing Inrush Restraints
Sequence Coordination
Open Line Detection
Phase Sync. Fail Detection
Over Voltage, Under Voltage
Under Frequency
Status Monitoring
10 Contact Inputs
Open Line Detection
Fault Indication
Recloser, Protection, Ground Protection, Switch Open/Closed
Over Voltage, Under Voltage, Under Frequency
Handle Locked
Gas Pressure Low
External AC Power Loss
Battery Discharged
Enclosure Door Open
Spare (3 Points : Optionally external trip and close command)
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Recloser controller FTU- R200
Event Recording
Event recording with time-stamp
I/O,
Functional,
System,
Fault
Current,
Demand
Current
&
Daily Max Current & Power
Waveform Recording
8 Fault Waveforms
8 PQM Waveforms
1 Manual Trigger Waveform
128 samples/cycle, 20 cycles
Saving COMTRADE File Format
Counter
FTU Restart count
Switch Trip Count
Fault Detection Count
PQM Count
THD Count
Communication Protocols
DNP3.0
DNP3.0 over TCP/IP
SCADA Port
IEC60870-5-101
IEC60870-5-104
Maintenance Port
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2.
Recloser controller FTU- R200
TECHNICAL DATA
2.1.1.
DIGITAL PROCESSOR
2.1.2
DUAL PROCESSOR ARCHITECTURE
9
32-bit RISC type micro-controller with on-chip flash program memory
9
32-bit floating-point Digital Signal Processor
9
Dual-Port Memory for communication between two processors
9
Data Memoty(SRAM)
9
Non-volatile Memory(1Mbytes) for storing events and parameters
9
Flash Mamory for stroring fault and PQM Waveforms
9
Real Time Clock
2.1.2ANALOG/DIGITAL CONVERSION
9
16-bit A/D Converter
9
Sampling rate : 128 samples/cycle
9
Anti-aliasing analog filter
9
One gain channel for each current input : effective 16-bit resolution for current
measurements
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2.1.3.
2.1.4.
Recloser controller FTU- R200
DSP
9
Correction of analog input error
9
Fast Fourier Transform : phasor calculation
9
Electric quantities calculation & Fault Decision
CPU
9
Status monitoring & Control Command
9
Local Human-Machine Interface
9
Event Recording
9
Remote Communication(DNP3.0, IEC60870-5-101 and IEC60870-5-104)
9
Self Diagnosis
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2.1.5.
Recloser controller FTU- R200
FUNCTIONAL BLOCK DIAGRAM
Figure 2-1 Functional Block Diagram
2.2.
ENVIRONMENTAL CONDITIONS
Altitude
< 2,000m
Wind Speed
< 40m/s
Ambıent Temporature
- 25 ~ +70°C, KSC 0220/1
Storage Temporature
- 40 ~ +85°C
Humidity
< 95%RH
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Recloser controller FTU- R200
Dielectric withstand
IEC 60255-5, 2kV
Impulse voltage
IEC 60255-5, 6kV for current input circuit
IEC 60255-5, 4kV for voltage, power input & Contacts I/O
Insulation resistance
IEC 60255-5, >500MΩ (DC500V)
High frequency disturbance
IEC 61000-4-12 class 3 (2.5kV)
Fast transient noise
IEC61000-4-4 class 4 (4kV)
Radio frequency noise
IEC 61000-4-3 10V/m
Vibrations
IEC 60255-21-1 class 2
Mechanical Shock
IEC 60255-21-2 class 2
Enclosure protection
IP54
2.3.
INPUTS/OUTPUTS
Binary Contacts Input : 10 Points
DC 24V Baised in the control box
Opto-isolation(Viso) : 2,000 Vrms
Delay time setting(10~500ms) for each contact input to suppress bouncing
Signal
Recloser Open
Recloser Closed
Recloser Locked
Gas Pressure Low
External AC Power Fail
Battery Discharged
Control Box Door Open
External Trip Command(Optional)
External Closer Command(Optional)
Spare
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Recloser controller FTU- R200
Binary Contacts Output : 6 Points
Pulse width of output is variable
Signal & Contact rating
DC24V Aux. Relay Contact
Contact Relay : Switch Open, Close, Battery Test, Spare
PhotoMOS Relay : Switch Open, Close for
9
Contact Relay Rating
Rated Current
16A
Rated Voltage/Max. Breaking Voltage AC
250Vac/440Vac
Max. Breaking Capacity AC
4,000VA
Make Current (Max. 4s at duty cycle 10%)
30A
Dielctring Strength
9
Coil-Contacts
5,000Vrms
Open Contact Circuit
1,000Vrms
Mechnical Life
> 30 x 106 operations
Operate Time
typical 7ms
PhotoMOS Relay Rating
Rated Load Current
120mA
Rated Load Voltage
350Vac
I/O isolation Voltage
1,500Vac
Current Input : 4 Channel
12.5A Maximum(external CT Ratio is 1,000:1 normally)
Burden : below than 1VA
3-Phase Current and Neutral Currents
Isolation by auxiliary CT of RTU(Viso) : 2,000 Vrms
Surge Withstand Voltage : 6kV
Signal : Ia, Ib, Ic, In
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Recloser controller FTU- R200
Voltage Input : 6 Channel
4Vrms at rated Phase Voltages
Burden : below than 0.01VA
Maximum input range : ~200%
Isolation by auxiliary PT of RTU(Viso) : 2,000 Vrms
Surge Withstand Voltage : 4kV
Signal : Va, Vb, Vc, Vr, Vs, Vt
Power Supply Input
DC 24V(DC20~DC29V)
Power Consumption: Max. 15W
2.4.
2.4.1.
MEASUREMENT
CURRENT
RMS(A) & Phase angle(°)
Ia, Ib, Ic, In
Sequence Component
I1, I2, I0
True RMS
Ia, Ib, Ic
Reading Range
2~12, 500A(External CT Ratio 1,000 : 1)
Accuracy
2~600A
±0.5% or ±1A
600~12,000A
±3%
2.4.2.
VOLTAGE
RMS(kV) & Phase angle(°)
Va, Vb, Vc, Vr, Vs, Vt
Sequence Component
V1s, V2s, V0S, V1L, V2L, V0LS,
True RMS
Va, Vb, Vc, Vr, Vs, Vt
Phase Angle Difference(°)
∠Va - ∠Vr
Reading Range
0.1~26kV
Accuracy
±0.5% or ±0.1kV
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2.4.3.
Recloser controller FTU- R200
POWER
Active Power(kW)
A-Phase, B-Phase, C-Phase, 3-Phase Total
Reactive Power(kVAR)
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Apparent Power(kVA)
A-Phase, B-Phase, C-Phase, 3-Phase Total
Reading Range
-32767~32767
Accuracy
±1%
2.4.4.
POWER FACTOR
A-Phase, B-Phase, C-Phase, 3-Phase Total
Lead/Lag Display
Reading Range
0~1.0
Accuracy
±2%
2.4.5.
FREQUENCY
Reading Range
45 ~ 55Hz (System Frequency : 50Hz)
55 ~ 65Hz (System Frequency : 60Hz)
Accuracy
2.4.6.
±0.02%
ENERGY
Positive kWh
A-Phase, B-Phase, C-Phase, 3-Phase Total
Negative kWh
A-Phase, B-Phase, C-Phase, 3-Phase Total
Capacitive Positive kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Capacitive Negative kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Inductive Positive kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Inductive Negative kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Reading Range
0~65535(Rollover)
Accuracy
±2%
2.4.7.
HARMONIC
Total Harmonic Distortion (%)
3-Phase Current THD (Ia, Ib, Ic, I3ph)
Source side 3-Phase Voltage THD (Va, Vb, Vc, V3ph)
2nd~31st Harmonic RMS(A, kV)
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2.4.8.
Recloser controller FTU- R200
DEMAND CURRENT AND POWER
Configurable Demand Interval
5, 10, 15min (Default 15min)
2nd~31st Harmonic RMS(A, kV)
Ia, Ib, Ic, Pa, Pb, Pc, P3ph, Qa, Qb, Qc, Q3ph
Daily Max Current and Power are Stored
2.5.
COMMUNICATION
2.5.1.
PHYSICAL LAYER
2.5.1.1 RS232C
9-Pin Male Connector
DCD(1), Rx(2), Tx(3), DTR(4), GND(5)
DSR(6), RTS(7), CTS(8), NC(9)
Speed(Baud Rate)
1200, 2400, 4800, 9600, 19200 BPS
Suppots Modam Control
CTS, DCD Signal Timeout Configurable
RTS Off-delay Configurable
Optical Isolation
ESD, Transient Noise Protection
2.5.1.2 RS232C/RS485C
RS232C Mode
Rx(2), Tx(3), GND(4), GND(5)CTS(8),
RS485C Mode
DATA-(3) DATA+(7)
Speed(Baud Rate)
1200, 2400, 4800, 9600, 19200 BPS
Optical Isolation
ESD, Transient Noise Protection
2.5.1.3 TCP/IP
Ethernet Port
2.5.2.
10/100 Base-T
PROTOCOL FOR SCADA
2.5.2.1 DNP3.0
①
Support DNP3.0 Subset Level 3
②
Class of each point is settable(Using DNP3.0 Index Configuration Tool)
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Recloser controller FTU- R200
③
Supports multi-frame transmission(multi-frame interval is configurable)
④
Enable/Disable unsolicited message class
⑤
Supports file transfer function for uploading fault waveform and local event history
⑥
Non-transmitted events are stored on non-volatile memory during communication fail
⑦
Event buffer size : Binary Input(254), Analog Input(127), Counter(19)
⑧
Supports direct operate or select befor operate(SBO) for control output
⑨
Supports report by exception for analog values
⑩
Protocol frame monitor was built in FTU(Using data terminal on maintenance connector)
2.5.2.2 IEC60870-5-101
IEC 60870-5-101 is primarily used with relatively slow transmission media on the asynchronous
V.24 interface. The standard promises baud rates of up to 9600 bit/s, with much higher baud rates
(<115200 bit/s) actually being used. X.24/X.27 interfaces with baud rates up to 64000 bit/s, also
part of the standard's description, could not establish themselves and are rarely used.
2.5.2.3 IEC60870-5-104
IEC 60870-5-104 (also known as IEC 870-5-104) is an international standard, released in 2000 by
the IEC (International Electrotechnical Commission). As can be seen from the standard's full
designation 'Network access for IEC 60870-5-101 using standard transport profiles', its application
layer is based on IEC 60870-5-101. IEC 60870-5-104 enables communication between control
station and substation via a standard TCP/IP network. The TCP protocol is used for connectionoriented secure data transmission.
2.6.
2.6.1.
RECORDING
EVENT RECORDER
This function is used to verify shortly the operated history or log of FTU in normal operation and
fault situation. Event recording is triggered by power reset, set value change, operation of
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Recloser controller FTU- R200
protection functions, system error or self-diagnosis, etc., and events can be stored including event
occurred time, measured values of current/voltage and operation description. And, this recording
fuction follows the FIFO (First In First Out) rule. Stored events can be uploaded to and listed on
FTU PC S/W (FTUMan) through RS232C port on front panel.
Event List
Sub Items
Max.
I/O Events
Status change of binary Input/Output
1023
Function Events
Operated status of Protection Function
1023
System Events
Setting change, Reset, Self Dignosis
255
Fault I Events
Latest fault current, phase and time
255
PQM Events
Operated status of PQM Function
255
Demand I,P,Q Events
Each phase daily average load current, active power
1023
and reactive powe with time
Max. I,P,Q Events
Each phase daily Peak load current, active power and
1023
reactive powe with time
2.6.2.
WAVEFORM EVENT RECORDER
Fault & PQM waveforms recording function are used to store the measured instantaneous
current/voltage values of pre-fault and post-fault at 128 samples per cycle. Record length, trigger
source and trigger position of pre/post-fault in recorded data are adjustable. The record types are
128 samples * 20 cycles, 64 samples * 40 cycles, 32 samples * 80 cycles, 16 samples * 160 cycles.
According to the purpose, operators can set the fault recording trigger source and trigger
position of pre-fault/post-fault. Trigger position means the percentage position in recorded fault
data, and the pre-fault data are recorded before this point and rest of the data are recorded as the
post-fault after this point. The recorded fault waveforms are also uploaded to FTU PC S/W, and
current/voltage waveforms at fault and protection elements operation can be analyzed with fault
evaluation.
This waveform recording fuction follows the COMTRADE file format rule.
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3.
Recloser controller FTU- R200
CONSTRUCT AND EXTERNAL CONNECTION
3.1.
APPEARANCE & DIMENSION
Front panel of FTU-R200 has an operational LCD display, a RS232C port for setting and
maintenance, indicating LED’s, and push buttons.
Figure 3-1 Front Panel Drawing of FTU
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Recloser controller FTU- R200
The following is the Top-view of FTU-R200 panel.
Figure 3-2 Top View of FTU Panel
The next drawing is Side-view of FTU-R200 panel, and there are measurement module connector,
control module connector, monitoring module connector, power connectors, and RS232 port for
SCADA communication on the right side of FTU panel.
Figure 3-3 Side View of FTU Panel
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3.2.
Recloser controller FTU- R200
CONNECTOR
On the right side of FTU-R200 panel, there are RS232 communication port to SCADA, control
source power connector, DI (Status Monitoring) connector, DO (Control) connector, AI
(Measurement) connectors for Voltage, Current from top to bottom, TCP/IP connector, CAN
connector, and TD connector. RS232C port is DB9 male-type connector.
Figure 3-4 Pin Connectors on the Right Side of FTU-R200
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4.
Recloser controller FTU- R200
FRONT PANEL OPERATIONS
On the front panel, there are LED’s indicating Recloser’s status, function buttons and LED’s,
control buttons and LED’s, LCD & Menu buttons and a RS232C port for maintenance.
Figure 4-1 Front Panel Sheet of FTU-R200
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4.1.
4.1.1.
Recloser controller FTU- R200
BUTTON & LED DESCRIPTION
LCD DISPLAY
4 lines * 20 characters LCD is used and through MENU/UP/DOWN/ENTER buttons, operators can
survey all data and corrent set values.
4.1.2.
FTU STATUS
These LED’s indicate status of FTU-R200.
4.1.3.
CPU Run
Normal operation of FTU(CPU OK)
System Error
Self-diagnosis Error & Switch Status Trouble
Ext.Power
External AC Power is supplied
Battery Fail
Battery voltage is low (discharged)
MENU/UP/DOWN/ENTER BUTTONS
These buttons are used to operate FTU in local position. Refer to LCD Manipulation section for
detailed methods.
4.1.4.
SERIAL PORT
Engineering tool on PC is connected to this port for maintenance and upgrade. RS232C port for
maintenance is DB9 femail-type connector.
RS232C
4.1.5.
Rx(2), Tx(3), GND(5), MODE(9)
ETHERNET/SCADA/PROTECTION COMMUNICATION LED
These LED’s indicate status of FTU-R200.
Ethernet Link
Ethernet Linking
Ethernet Act
Ethernet Active
SCADA Rx
Communication data are received
SCADA Tx
Transmitting communication data
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SCADA RTS
Data transmission request
Protection Rx
Communication data are received from another FTU by CAN
communication.
Protection Tx
Transmitting communication data to another FTU by CAN
communication.
4.1.6.
BATTERY TEST & LAMP TEST
To test the battery and charger circuit, push ‘BATTERY TEST’ button. When the test result is fail,
we will see turn on Battery Fail LED.
To test the LED, push ‘LAMP TEST’ button. When test is OK, all of the LEDs are turn on for a
while.
4.1.7.
RESET BUTTON
This button is used for Annunciator LED Reset (LED turn off). Annunciator LED represents all the
LED’s related to Protection, Reclosing and Self-diagnosis Error.
4.1.8.
FUNCTION LED
LIVE LINE LED’s indicate if the lines to source side and load side are activated or deactivated.
LED’s are on, when the line voltage goes up the set ‘Voltage ON Level’ and LED’s are off, when the
voltage goes down the set ‘Voltage OFF Level’.
Under Voltage LED’s indicate if the voltage reaches under the setting value.
Sync.Fail LED is on, when the phase angle difference between source-side voltage (Va) and loadside voltage (Vr) is over the setting value. In this case, Close control command should be inhibited.
Fault Indicator LED’s on, when a fault related to each faulted phase occurs. For earth fault of
non-gronded networks, SEF LED is on.
Reclose Ready LED is on, when the reclosing action is normally operated. This represents the
normal stand-by status for reclosing action.
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Reclose Progress LED is indicates the status that reclosing action is normally processed
according to the preset tripping and reclosing operation sequences.
Reclose Lockout LED is on, when the reclosing action is locked out to open according to the
operation sequences or the Recloser is opened by the manual control command.
4.1.9.
RECLOSE/PROTECTION/GROUND ENABLE BUTTONS AND LEDS
Push the enable buttons and makes the respective LED’s on to fulfill the Reclosing and
Protection functions. These buttons are toggled between Enable and Disable.
RECLOSE ENABLE button enables or disables the Reclosing Function. In disable mode, the
Recloser is locked out right the 1st trip.
PROTECTION ENABLE button enables or disables Phase Fault Detection and Earth Fault
Detection Functions, simultaneously.
GROUND ENABLE button enables or disables Earth Fault Detection Function only.
4.1.10. REMOTE/CONTROL LOCK BUTTONS AND LEDS
To decide the control position to Remote, push REMOTE button and make the LED on. This
button and LED are also toggled between Remote and Local position. But, the manipulation of this
button is possible only in the local for operator’s safety.
CONTROL LOCK button enables or disables the Recloser switching operation. If Control Lock
LED is on, Recloser switch is not operated.
4.1.11. SELECT/OPEN/CLOSE BUTTONS AND LEDS
These buttons are used to locally control (OPEN/CLOSE) the Recloser. Before local control
command, check first if the control position is LOCAL. SELECT button is a two-phase safety &
confirmation check machanism, and this concept is similar to SBO (Select Before Operate) in
communication protocol. To manually and locally control the Recloser, SELECT button shuld be
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pushed down to make the corresponding LED on, and this SELECT function can be expanded to
the scheme of Multiple Recloser Control in the future.
SELECT → CLOSE
9
Push this button to control the Recloser manually to be closed. After closing, normal fault
detection functions are re-performed. In case that Cold Load Pickup function is off or the
load current is below the Cold Load Pickup Level, normal Phase & Ground Fault
Detection is functined.
SELECT→OPEN
9
Manual open control opens the Recloser and makes the switch locked out to open.
4.2.
LCD MANIPULATION
MENU/UP/DOWN/ENTER buttons are used to manipulate the LCD. The following table explains
the common roles of 4 buttons.
Button
MENU
Description
9
To toggle between Main Menu Display from Initial Display
9
To come back to Parent Menu from Child Menu
9
Be
careful,
because
all
the
set
value
changes
are
canceled
when this button is pushed down during the change of set values
ENTER
9
To select and enter into each menu item
9
To enter the changed set value and configuration
9
After entering the changed set value, this button again goes out from
each item to menu tree. (Toggle between menu tree and each menu item)
9
After changing the set values, be sure to save the changed values
in the Set Value Change Save Menu.
UP
9
To move up the cursor in the menu tree
9
To increment the set values
9
The set values are rolled up and UP button at the highest value goes
to the lowest value
DOWN
9
To move down the cursor in the menu tree
9
To decrement the set values
9
The set values are rolled down and DOWN button at the lowest value goes
to the highest value
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4.2.1.
Recloser controller FTU- R200
LCD MENU
Figure 4-2 LCD Menu Tree Diagram of FTU-R200
4.2.1.1 INITIAL DISPLAY
[Initial Display] shows up the reclosing status.
<R / C
f o r
S e q u e n c e
:
R / C
:
S t a t u s
[
H O ME
DAS >
0
[ HO]
C L OS E
]
Figure 4-3 Initial Display
MENU button at [Initial Display] goes to [Main Menu Display]. MENU button toggles between
[Initial Display] and [Main Menu Display].
UP or DOWN button at [Initial Display] goes to [Current / Voltage Measurement Display]. UP /
DOWN button toggles between [Initial Display] and [Current / Voltage Measurement Display].
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I a : 0 0 0 0 0 A
0 0 . 0 / 0 0 . 0
I b : 0 0 0 0 0 A
0 0 . 0 / 0 0 . 0
I c : 0 0 0 0 0 A
0 0 . 0 / 0 0 . 0
I n : 0 0 0 0 0 A
<AB C . R S T >
Figure 4-4 Current / Voltage Measurement Display
Reclosing Sequence
0, 1, 2, 3 and 4
Total Reclosing Shot 3 Times
0[HO], 1~3[SR], 4[LO]
9
HO
Home
9
SR
Sequence Running
9
LO
Lockout
R/C Status
CLOSE/OPEN/TROUBLE (No Status Input)
Current (Ia,Ib,Ic,In)
Each Phase Instantaneous Current Value (unit : A)
Voltage (ABC.RST)
Source Side Voltage (Va,Vb,Vc) /
Load Side Voltage (Vr,Vs,Vt), (unit : kV)
Diagnosis Fail
If diagnosis failure happens, [FAIL] message will
appear in the right side of [HOME] or <ABC.RST>
will change into <FAIL>.
4.2.1.2 MAIN MENU DISPLAY
[ MA I N
ME N U
1 . F u n c t i o n
]
S e t t i n g
2 . C o n f i g u r a t i o n
3 . Di s p l a y
4 . E v e n t
L i s t
Figure 4-5 Main Menu Display
[Main Menu Display] shows up 4 main menu items. And UP & DOWN buttons move up and
down the main menu trees. ‘>’ symbol indicates the cursor position and ENTER button enters into
the selected main menu’s sub items.
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Main Menus
Sub Items
Function Setting
Group1, Group2, Group3, Group4, Group Setting
Configuration
I/O, Communication, Event, Time
Display
Measurements, Status, Counter
Event List
I/O events, Function events, System events, Fault I events,
Demand I events, Demand P events, Demand Q events,
Max. I events, Max. P events, Max. Q events
4.2.1.3 FUNCTION SETTING
[ S e t t i n g
Me n u ]
1 . Gr o u p 1
2 . Gr o u p 2
3 . Gr o u p 3
4 . Gr o u p 4
5 . Gr o u p
S e t t i n g
Figure 4-6 Function Setting
In Function Setting, there are 4 different setting groups and the different setting values can be
stored individually in 4 different setting groups.
After finishing the set value change, when MENU button is pushed to return to [Main Menu
Display], [Set Value Change Save Display] shows up to determine Yes or No. If selecting yes and
pushing ENTER button, the changed set values are all saved. However, if selecting No and ENTER
button or MENU button again, the changed set values are not saved and the existing set values
are still applied.
9
CAUTION: Be careful not to push down MENU buttons repeatedly! Then, the newly
changed set values are neither saved nor applied.
S a v e
C h a n g e d
Y e s
/
S e t
?
No
Figure 4-7 Set Value Change Save Display
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S e t t i n g
S a v i n g !
Figure 4-8 ENTER to Yes
[
MA I N
ME N U
>1 . F u n c t i o n
]
S e t t i n g
2 . C o n f i g u r a t i o n
3 . Di s p l a y
Figure 4-9 ENTER to No
4.2.1.4 CONFIGURATION
[ C ONF I G
ME N U
]
1 . I / O
2 . C o mmu n i c a t i o n
3 . E v e n t
4 . T i me
Figure 4-10 Configuration
Configuration menu has the setting items for communication, I/O, and system configuration.
Setting items are I/O, Communication, Event and Time.
After finishing the set value change, when MENU button is pushed to return to [Main Menu
Display], [Set Value Change Save Display] shows up to determine Yes or No. If selecting yes and
pushing ENTER button, the changed set values are all saved. However, if selecting No and ENTER
button or MENU button again, the changed set values are not saved and the existing set values
are still applied.
9
CAUTION: Be careful not to push down MENU buttons repeatedly! Then, the newly
changed set values are neither saved nor applied.
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4.2.1.5 DISPLAY
[
DI S P L AY
ME N U
]
1 . Me a s u r e m e n t s
2 . S t a t u s
3 . C o u n t e r
Figure 4-11 Display
In Display menu, measurement values, monitored status, and counter values are displayed.
4.2.1.6 EVENT LIST
[
E V E NT
1 . I / O
L I S T
]
E v e n t s
2 . F u n c t i o n
e v e n t s
3 . S y s t e m
e v e n t s
4 . F a u l t s
e v e n t s
5 . D e ma n d
I
e v e n t s
6 . D e ma n d
P
e v e n t s
7 . D e ma n d
Q
e v e n t s
8 . Ma x .
I
e v e n t s
9 . Ma x .
P
e v e n t s
10 . M a x .
Q
e v e n t s
Figure 4-12 Event List
In Event List menu, all types of events are displayed with occurred time and event description.
Using UP & DOWN buttons, event list can be scrolled up and down in the LCD display.
Event List
Sub Items
Max.
I/O Events
Status change of binary Input/Output
1023
Function Events
Operated status of Protection Function
1023
System Events
Setting change, Reset, Self Dignosis
255
Fault I Events
Latest fault current, phase and time
255
Demand I,P,Q Events
Each phase daily average load current, active power
1023
and reactive powe with time
Max. I,P,Q Events
Each phase daily Peak load current, active power
1023
and reactive powe with time
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5.
Recloser controller FTU- R200
PROTECTION FUNCTIONS
5.1.
FAULT DETECTION
FTU detects the Phase & Earth Fault and trip the breaker.
The fastest operation time is within 45msec including auto-recloser operating time. There are 58
trip curves, which can be selected for fast and delayed operation respectively. The Curve can be
edited by using several parameters, i.e. time multiplier, time adder and minimum response time.
And high current trip element can be used for instantaneous trip. It is definite time
characteristics. During cold-load condition, pickup multiplied by cold-load multiplier. During the
cold-load condition, time-delayed curve is applied instead of fast curve. This function can be
enabled or disabled by cold-load multiplier.
Earth fault detection function can be enabled or disabled by ‘Ground Protection Enable’.
Phase Fault
Range
Earth Fault
Def.
Range
Step
Def.
Unit
Pickup Current
10~900
400
5~900
60
Inrush Block
NO/YES
YES
NO/YES
YES
1~58
1-A
1~58
2-B
1
Time Multiplier
0.05~2.00
1.00
0.05~2.00
1.00
0.01
sec
Time Adder
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
RDMT/RIDMT
RDMT
RDMT/RIDMT
RDMT
0.00~100.00
0.00
0.00~100.00
0.00
1
A
Fast Operation
Time Curve
Type
Min. Response
Time
Reset Type
Reset Definite
Time
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RDMT(Definite Time)
RIDMT(Inverse Time)
0.01
sec
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Phase Fault
Earth Fault
Step
Unit
Range
Def.
Range
Def.
1~58
20-1
1~58
21-2
1
Time Multiplier
0.05~2.00
1.00
0.05~2.00
1.00
0.01
sec
Time Adder
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
Min. Response
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
RDMT/RIDMT
RDMT
RDMT/RIDMT
RDMT
Delayed Operation
Time Curve Type
Time
Reset Type
RDMT(Definite Time)
RIDMT(Inverse Time)
Reset Definite
0.00~100.00
0.00
0.00~100.00
0.00
0.01
sec
Time
5.1.1
Definite Time Protection
Definite Time is an alternative to Inverse Time Protection. It works by tripping the recloser at a
fixed time after pick-up.
Range
Def.
Step
Unit
OFF/ON
OFF
Pickup Current
50~10000
1000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
OFF/ON
OFF
Pickup Current
50~10000
1000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
Comment
Phase Detection
Active
Earth Detection
Active
5.1.2
High Current Trip (HCT)
Very high valued current can cause serious damage to the Recloser and the resultant fault
spread-out, therefore HCT element should operate faster than Instantaneous or Time-Delayed TC
curve’s operation time and its priority must be higher than the normal auto-reclosing sequence.
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HCT can be configured up to 4 times for phase fault and earth fault, respectively. HCT Count
setting value ‘0’ means HCT element disabled.
Range
Def.
Step
Unit
0~4
0
1
Pickup Current
50~10000
2000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
0~4
0
1
Pickup Current
50~10000
2000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
Comment
Phase Detection
Operation Count
‘0' means disable.
Earth Detection
Operation Count
5.1.3
‘0' means disable.
Single Shot Operation
In Single Shot Operation is used to provide an appropriate protection curve when non-reclosing
operation is required, for example, when closing onto a fault.
In Single Shot Operation the controller goes directly to lockout after one trip and will not autoreclosing.
Single Shot Time
5.1.4
Range
Def.
Step
Unit
0~180
10
1
sec
Comment
TC Curve
FTU-R200 has 54 types of built-in TC curves including ANSI, IEC Standard curves. And customer
can define additional 4 curves as his own curves by using PC Software. Basically, built-in curves
have inverse time characteristrics, but can be easily adjusted by three parameters such as multiplier,
time adder and minimum response time. In engineering step, the selection and adjustments of TC
curves shall be done for the protection coordination with other protection devices in the feeder.
The follwing parameters are related to change and editing of TC curve’s characteristics.
9
Time Multiplier
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9
Time Adder
9
Minimum Response Time
Time Multiplier is multiplied to the operating time of basic curve (TDM=1.0), then Time Adder is
added to the resulting operating time of the curve adjusted by multiplier. Minimum Response Time
defines the fastest operating time of the curve.
The following tables describe the built-in TC Curve Type and the corresponding numbers in the
setting. TC Curve graphs are shown in the appendix.
Setting No.
1
2
3
4
5
6
7
8
9
10
Curve
A
B
C
D
E
EI
KP
L
M
N
Setting No.
11
12
13
14
15
16
17
18
19
20
Curve
NI
P
R
T
V
VI
W
Y
Z
1
Setting No.
21
22
23
24
25
26
27
28
29
30
Curve
2
3
4
5
6
7
8
8*
9
11
Setting No.
31
32
33
34
35
36
37
38
39
40
Curve
13
14
15
16
18
N1
N2
N3
N4
F
Setting No.
41
42
43
44
45
46
47
48
49
50
Curve
G
H
J
LI
8+
17
KG
A*
SI
IM
Setting No.
51
52
53
54
55
56
57
58
Curve
IV
IE
U8
U2
C1
C2
C3
C4
Curve Type
Curve Name
Recloser Curves
A,A*,B,C,D,E,F,G,H,J,KP,KG,L,M,N,P,R,T,V,W,Y,Z,
1,2,3,4,5,6,7,8,8*,8+,9,11,13,14,15,16,17,18
IEC Standard Curve
Standard Inverse(NI),Very Inverse(VI),Extremely Inverse(EI)
Long-time Inverse(LI),Short-time Inverse(SI)
ANSI/IEEE
Standard
Moderately Inverse(IM),Very Inverse(IV),Extremely Inverse(IE),
Curve
Long-time Inverse(U8),Short-time Inverse(U2)
KEPCO Standard Curve
N1,N2,N3,N4
User Customized Curve
C1,C2,C3,C4
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9
Recloser controller FTU- R200
IEC, ANSI/IEEE, US STANDARD TC CURVE EQUATION
T = TDM • {α / (Mβ - 1) +γ}
TRESET = TDM • {τ / (Mβ - 1)}
T : Operate Time, TDM : Multiplier Setting, TRESET : Reset Time
Curve Type
Standard Inverse(NI)
Standard
β
γ
τ
0.14
0.02
-
-
Very Inverse(VI)
13.5
1
-
-
Extremely Inverse(EI)
80.0
2
-
-
Short-time Inverse(SI)
0.05
0.04
-
-
Long-time Inverse(LI)
120
1
-
-
19.61
2
0.491
21.6
Extremely Inverse(IE)
28.2
2
0.1215
29.1
Moderately Inverse(IM)
0.0515
0.02
0.114
4.85
Very Inverse(IV)
IEC
α
IEEE
Short-time Inverse(U2)
CO2
0.2394
0.02
0.01694
2.261
Long-time Inverse(U8)
CO8
5.95
2
0.18
5.95
5.1.5
EXAMPLE OF TC CURVE EDITING
3-parameters are applied in the follwing order. The values in the parenthesis are examples.
9
Time Multiplier : 1.5
9
Time Adder : 0.03
9
Minimum Response Time : 0.1
In the next figure, for example, the curve A is the basic curve. Assume the operating time of the
basic curve (A) at 16 times pickup current is 0.04 sec. When applying Time Multiplier, curve ‘A’
changes its shape, that is, the curve becomes less steep in time axis and operation time becomes
longer by a multiplier at the same current value like ‘B’ in the figure. The operating time at 16
times pickup becomes 0.06 sec. Then Time Adder shall be applied. The operating time of the
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resulting curve ‘C’ is 0.09sec. Finally Minimum Response Time cuts the curve part, which is
shorter than this time. Then the actual operating time of the example at 16 times becomes 0.1sec.
Figure 5-1 TC Curve Editing Example 1
There are two additional definite time over-current elements in the controller. The next figure
shows 3-stage over-current protection characteristics. The third stage is prepared for
instantaneous protection. Therefore the harmonic restraint is not applied to third stage elements,
but the second stage definite time over-current element.
Figure 5-2 TC Curve Editing Example 2
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5.1.6
Recloser controller FTU- R200
Auto Reclosing Sequence
The FTU-R200 supports 3-shot reclosing with sequence coordination.
For Permanent fault, under the condition of reclosing enabled, no other restraints such as coldload, inrush and no High Current Trip, recloser will be locked out to open the Reclosing Count
repeating trip and reclose according to the preset settings.
Range
Def.
Step
Unit
Operation Count
1~4
4
1
Instantaneous Count
0~4
2
1
Operation Count
1~4
4
1
Instantaneous Count
0~4
2
1
Reclose Interval 1st
0.5~180.0
0.6
0.1
sec
Reclose Interval 2nd
1~180
2
1
sec
Reclose Interval 3rd
1~180
15
1
sec
Reset Time
3~180
30
1
sec
1~4
4
1
Reclose Interval 1st
0.5~180.0
0.6
0.1
sec
Reclose Interval 2nd
1~180
2
1
sec
Reclose Interval 3rd
1~180
15
1
sec
Reset Time
3~180
30
1
sec
Comment
Phase
Earth
Phase/ Earth Reclosing
SEF Reclosing
Operation Count
For example in the below figure, the reclosing sequence is organized in 2F2D, which means the
Recloser protection function operates as Instantaneous(Fast) element during first 2 reclosing shots
and operates as Time-Delayed element during last 2 reclosing shots. This composition also can be
configured.
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Figure 5-3 Permanent Fault: 3 shot Reclosing & 2F2D
For temporary fault, if the fault is removed before the preset Reclosing Count and no fault is
detected during the preset Reset Time, then the reclosing sequence is initialized to normal
operation standby mode. When a fault is detected again during the Reset Time, the Recloser will
be locked out after the remaining reclosing counts excluding the previously operated reclosing
counts.
Figure 5-4 Temporary Faults: Fault Removal during 1st Reclosing Interval
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5.1.7
Recloser controller FTU- R200
Sequence Coodination
In case that there are over 2 Reclosers which operate in serial connections, Sequence
Coordination function prevents unnecessary trip of source-side Recloser by instantaneous element
due to load-side fault. When this function is set to on and the fault is restored to normal state by
load-side Recloser during source-side Recloser’s time-delayed operation, source-side Recloser only
increments the reclosing counts without tripping. However, source-side Recloser performs tripping
at the last reclosing count. If the Reclosing function is disabled, Sequence Coordination function is
no longer carried out.
Seq. Coordination Active
Range
Def.
OFF/ON
OFF
Step
Unit
Comment
For Sequence Coordination, the following setting items should be issued and checked precisely
between serially connected Reclosers.
9
Identical Protection Characteristics such as TC Curves, Total Operation Count,
Instantaneous Operation Count
9
Identical Reclosing Interval(Dead Time)
9
Source-side TC Curve Time Delay Over 100msec than Load-side
9
Source-side Reset Time longer than Load-side longest Reclosing Interval
(to Prevent Source-side Recloser reset during Load-side Reclosing action)
Figure 5-5 Operation of Sequence Coordination
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5.2
Recloser controller FTU- R200
Cold Load Pickup
Cold Load Pickup is the phenomenon that takes place when a distribution circuit is re-energized
following an extended outage of that circuit. Cold load pickup is a composite of two conditions:
inrush and loss of load diversity. The magnitude of cold load pickup current is a combination of
non-diverse cyclic load current, continuously operating load current, transformer magnetizing
current, capacitor inrush current, etc. The combination can result in current levels that are
significantly higher than normal peak load levels. Cold load pickup current can be high enough to
cause instantaneous overcurrent and/or time overcurrent relays to operate.
Cold load pickup is primarily an overcurrent condition. If degraded voltage is also a concern,
then the application of voltage sensitive relays should also be considered.
Figure 5-6 Cold Load Pickup Current Shape
In Cold Load Pickup mode, without changing operational characteristics, pickup level is changed
by the times of Cold Load Multiplier (0~10) and the characteristics of time-delayed element
operate even if the setting is in the Instantaneous element. If the transient current goes down and
retrains below the pickup level within Cold Load Duration, then the normal sequence mode is
restored after Cold Load Restore Time. The Cold Load Restore Time is fixed value of 30msec. These
setting exist for both phase fault and earth fault separately, and the value ‘0’ of Cold Load
Multiplier means Cold Load Pickup Function disabled. Normaly Reclosing Sequence mode is
applied.
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Recloser controller FTU- R200
Range
Def.
Step
0~10
2
1
0.00~60.00
3.00
0.01
0~10
2
1
0.00~60.00
3.00
0.01
Unit
Comment
Phase Detection
Pickup Multiplier
Duration Time
‘0' means disable.
sec
Earth Detection
Pickup Multiplier
Duration Time
5.3
‘0' means disable.
sec
SENSITIVE EARTH FAULT (SEF) DETECTION
On the non-grounded network, it is hard to detect fault current because ground current of nongrounded network is much low. Therefore, FTU-R200 is designed to measure zero-sequence values
from either external core Balanced Current Transformer (or ZCT) or Residual Connection of 3 Phase
Current Transformers to detect earth fault in the non-grounded network. This function is generally
called SEF detection.
In case of earth fault in the non-grounded network, since very small fault current due to line
capacitance component flows into the fault point from both sides, SEF detection also considers the
fault direction even in the radial network. Maximum Torque Angle is for setting the phase
difference between zero-sequence voltage and zero-sequence current, and the protection zone is
between -90° and +90° on the basis of Maximum Torque Angle. And it can be used for alarm or
Trip.
Figure 5-7 Phase Diagram of SEF
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Recloser controller FTU- R200
Range
Def.
Step
Unit
Pickup Current(3I0)
2~20
5
1
A
Pickup Voltage(-3V0)
10~80
30
1
%
Comment
Rated Phase
Voltage
Max. Torque Angle
0~345
90
15
Degree
Detection Time
0.1~30.0
1.0
0.1
sec
Inrush Block
NO/YES
YES
OFF/ALARM/TRIP
OFF
Function In Use
5.4
Leading
DIRECTIONAL BLOCKING
Directional Blocking is a protection feature that restricts tripping on faults to a designated side
of the recloser. It prevents nuisance tripping if particular network conditions are causing ‘False’
earth faults. In radial systems Directional Blocking prevents nuisance tripping by blocking faults in
the reverse direction and only responding to faults in the foward direction.
Protect for faults in the forward and reverse direction. A forward fault may use a different timecurrent curve and setting to a reverse fault (i.e. these are individually selectable). Both the forward
protection and reverse protection are operating at the same time. This is an additional protection
feature.
Range
Def.
Step
Unit
Trip Direction
OFF/FWD/REV/ALL
FWD
3V1 Threshold
0~100
20
1
%
3I1 Threshold
0~100
20
1
%
3I1 Max. Torque Angle
0~355
60
5
Degree
OFF/FWD/REV/ALL
FWD
-3V0 Threshold
0~100
20
1
%
3I0 Threshold
0~100
20
1
%
3I0 Max. Torque Angle
0~355
60
5
Degree
Comment
Phase Detection
Earth Detection
Trip Direction
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5.5
Recloser controller FTU- R200
INRUSH RESTRAINTS
Inrush Restraint works by raising the phase and earth currents for a short period of time to allow
the inrush current to subside.
Inrush current is an over-current higher than pickup current level, which is mainly caused by
transformer’s excitation current at closing action. To distinguish inrush current from load current,
2nd harmonics percentage is adopted as a criterion.
When, in the setting, ‘Fault Detection-Inrush Block’ is set to ‘Yes’ and ‘Fault Detection-Inrush
Detection-Function In Use’ is set to ‘ON’, inrush current over pickup level is considered as normal
load current and reclosing sequence is not processed.
This Function can be used to detect magnetizing inrush condition by comparing 2nd harmonic
component to fundamental frequency component of current.
Range
Def.
Step
Unit
5~50
20
1
%
Detection Time
0.02~1.00
0.02
0.01
sec
Function In Use
OFF/ON
ON
2nd Harmonic
5.6
Comment
OPEN LINE DETECTION (LOSS OF PHASE)
Open Line is detected by Under Voltage characteristics at unbalanced condition.
When the voltage on one or two phases drops below the ‘Volt OFF Level’ setting, the ‘Delay
Time’ starts running. If the voltage on those phases stays below ‘Volt OFF Level’ setting until the
‘Delay Time’ timer expires, the Loss of Phase will be detected.
If the voltage on detected phase rises to the ‘Vol ON Level’ setting, the Loss of Phase is released
immediately.
Range
Def.
Step
Unit
Volt ON Level
50~90
80
5
%
Volt OFF Level
35~75
50
5
%
Delay Time
0.1~30.0
0.4
0.1
sec
Function In Use
OFF/ON
ON
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Comment
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5.7
Recloser controller FTU- R200
PHASE SYNC. CHECK
Range
Def.
Step
Unit
5~60
30
1
Degree
Dalay Time
0.1~30.0
0.1
0.1
sec
Function In Use
OFF/ON
ON
Phase Difference
5.8
Comment
UNDER VOLTAGE PROTECTION
As the supplied voltage to load lowers down, there occur the weakness of illumination intensity
and shortening of life span for lighting load, and the damage to motors because of the overcurrent flow. To cope with this situation of damages to equipment, under-voltage protection (UV)
is used. UV of FTU supports the delay time element. Furthermore, UV can be used to generate only
alarm signal to operator instead of trip signal to Recloser.
Figure 5-8 Functional Diagram for Under Voltage Protection
Range
Def.
Step
Unit
Pickup Level
0.30~0.95
0.80
0.01
PU
Delay Time
0.0~180.0
1.0
0.1
sec
OFF/ARAMP/TRIP
OFF
Function In Use
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Comment
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5.9
Recloser controller FTU- R200
OVER VOLTAGE PROTECTION
On the other hand, as the supplied voltage goes up behind the regular load voltage, there occur
some problems of equipment deterioration, insulation breakdown, equipment life span shortening,
etc. Over Voltage Protection (OV) manages this situation. OV of FTU supports the delay time
element. OV also can be used to generate only alarm signal to operator instead of trip signal to
Recloser.
Figure 5-9 Functional Diagram for Over Voltage Function
Range
Def.
Step
Unit
Pickup Level
1.05~1.50
1.20
0.01
PU
Delay Time
0.0~180.0
1.0
0.1
sec
OFF/ARAMP/TRIP
OFF
Function In Use
Comment
5.10 UNDER FREQUENCY PROTECTION
Under Frequency protection (UF) element is used into expenditure that detect under frequency
and separated load or generator. Under Frequency demands for power increase or occurs in
control failure of generator.
Under Frequency protection element acts in case of voltage more than ‘Voltage OFF Level’ is
approved to Voltage A-Phase. UF of FTU supports the delay time element. Furthermore, UV can
be used to generate only alarm signal to operator instead of trip signal to Recloser.
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Recloser controller FTU- R200
Range
Def.
Step
Unit
Pickup
47.00~59.98
49.80
0.01
Hz
Dalay Time
0.03~10.00
0.10
0.01
sec
OFF/ARAMP/TRIP
OFF
Function In Use
Comment
5.11 MULTIPLE PROTECTION GROUPS
The FTU-R200 supports up to 4 Protection Groups, each of which can be confiqured with
completely separate protection characteristics with different inverse time curves and setting
currents. The number of protection group avaliable to the operator can be configured.
And FTU-R200 support Automatic Protection Group Selection. Automatic Protection Group
Selection is used to change the protection group depending on the direction of power flow. This
allows the Recloser to be correctly graded with devices downstream regardless of the power flow
direction.
Default Group
ADGS(Automatic Default Group Selection) Function
Reverse Group
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Range
Def.
Step
1~4
1
1
OFF/ON
OFF
1~4
1
1
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Unit
ISO 9001 certified
Recloser controller FTU- R200
6
CONFIGURATION SETTING
6.1
I/O CONFIGURATION
6.1.1
AC RATING
Range
Def.
Step
Unit
Line Configuration
Y-G/DELTA
Y-G
Systme Frequency
50/60
Rated Voltage (L-L)
Reference Voltage (L-N)
50
40
Hz
1000~30000
22900
10
V
Phase to Phase
1000~30000
13200
10
V
Phase to Earth
Reference Phase
A/B/C
A
CB Operating Time
0~35
1
1
ms
1~5000
1000
1
FWD/REV
FWD
1.0~5000.0
133.3
NCT Direction
FWD/REV
FWD
Phase Rotation
A-B-C/A-C-B
A-B-C
Sample Record Frequency
16/32/64/128
128
CT Ratio
CT Direction
NCT Ratio
9
Comment
0.1
SWITCH INSTALLATION
The FTU-R200 provides a function to set ‘Reference Phase’ and the ‘CT Direction’ according to
the switch installation position and the current flowing direction.
Figure 6-1 shows the general and ‘assumed-default’ case of switch installation, in which the
distribution lines with current A, B, C are connected to the phase A, B, C terminals of the switch,
and the current is flowing A/B/C to R/S/T of the switch. In this case, the ‘Referece Phase’ setting
value should ‘A’, which means that the phase of current flowing into the phase A terminal of the
switch is ‘A’, In addition, the ‘CT Direction’ setting value should be ‘Foward’, which means that
the current is flowing in the direction from the phase A/B/C terminals to the R/S/T terminals of the
switch.
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Recloser controller FTU- R200
Figure 6-1 Switch installation position and the current flowing direction – Case 1
Figure 6-2 shows another case of switch installation, in which the distriburion lines with current A,
B, C are connected to the phase A, B, C terminals of the switch, and the current is flowing from
R/S/T to A/B/C of the switch. In this case, the ‘Referece Phase’ setting value should ‘A’, which
means that the phase of current flowing into the phase A terminal of the switch is ‘A’, In addition,
the ‘CT Direction’ setting value should be ‘Reverse’, which means that the current is flowing in
the direction from the phase R/S/T terminals to the A/B/C terminals of the switch.
Figure 6-2 Switch installation position and the current flowing direction – Case 2
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Recloser controller FTU- R200
Figure 6-3 shows another case of switch installation, in which the distriburion lines with current A,
B, C are connected to the phase C, B, A terminals of the switch, and the current is flowing from
R/S/T to A/B/C of the switch. In this case, the ‘Referece Phase’ setting value should ‘C’, which
means that the phase of current flowing into the phase A terminal of the switch is ‘C’, In addition,
the ‘CT Direction’ setting value should be ‘Reverse’, which means that the current is flowing in
the direction from the phase R/S/T terminals to the A/B/C terminals of the switch.
Figure 6-3 Switch installation position and the current flowing direction – Case 3
Figure 6-4 shows another case of switch installation, in which the distriburion lines with current A,
B, C are connected to the phase C, B, A terminals of the switch, and the current is flowing from
A/B/C to R/S/T of the switch. In this case, the ‘Referece Phase’ setting value should ‘C’, which
means that the phase of current flowing into the phase A terminal of the switch is ‘C’, In addition,
the ‘CT Direction’ setting value should be ‘Forward’, which means that the current is flowing in
the direction from the phase A/B/C terminals to the R/S/T terminals of the switch.
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Recloser controller FTU- R200
Figure 66-4 Switch installation position and the current flowing direction – Case 4
6.1.2
DEMAND SETTING
The FTU calculates and stores average of currents and active, reactive powers during the demand
interval, which is configurable as 5, 10 or 15 minutes. The buffer has 1023 demands. Also FTU
stores daily peak demand up to 1023.
Block Interval
Roll Interval
6.1.3
Range
Def.
15/30/60
15
1/5/15/30/60
15
Step
Unit
Comment
WAVE TRIGGER
Range
Def.
16/32/64/128
128
Pre-1st Cycle
1~5
Post-2nd Cycle
Pre-2nd Trigger Cycle
Sample Record Frequency
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Step
Unit
2
1
Cycle
1~5
2
1
Cycle
1~10
10
1
Cycle
Comment
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6.1.4
Recloser controller FTU- R200
CLOSE INTERLOCK
Range
Def.
Live Load
NO/YES
YES
Sync. Fail
NO/YES
YES
Range
Def.
MANUAL/AUTO
MANUAL
6.1.5
Unit
Comment
Step
Unit
Comment
FI RESET SELECT
FI Reset
6.1.6
Step
VOLTAGE DISPLAY
The controller supports two voltage display of LCD.
Voltage Display
Range
Def.
L-N/L-L
L-N
Step
Unit
Comment
L-N : Phase to Earth
L-L : Phase to Phase
6.2
6.2.1
POWER QUALITY MEASUREMENT FUNCION
VOLTAGE & CURRENT UNBALANCE
Voltage unbalance (or imbalance) is a condition in which the maximum deviation from the
average of the three-phase voltages or currents, divided by the average of the three-phase voltage
or currents, expressed in percentage. Voltage unbalance can be the result of blown fuses in one
phase of a three-phase capacitor bank. Severe voltage unbalance greater than 5% can cause
damage to sensitive equipments.
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Recloser controller FTU- R200
Range
Def.
Step
Unit
Detection Level
0~100
30
1
%
Detection Time
0.1~60.0
1.0
0.1
sec
Detection Level
0~100
30
1
%
Detection Time
0.1~60.0
1.0
0.1
sec
Comment
Voltage Unbalance
Current Unbalance
6.2.2
SHORT-DURATION VOLTAGE VARIATION
There are three types of short-duration voltage variations, namely, instantaneous, momentary
and temporary, depending on its duration. Short-duration voltage variations are caused by fault
conditions, energization of large loads, which require high starting currents or loose connections in
power wiring. Depending on the fault location and the system conditions, the fault can generate
sags, swells or interruptions. The fault condition can be close to or remote from the point of
interest. During the actual fault condition, the effect of the voltage is of short-duration variation
until protective devices operate to clear the fault.
6.2.2.1 SAG
A sag (also known as dip) is a reduction to between 0.5 and 0.99 pu in RMS voltage or current
at the power frequency for a short period of time from 0.5 to 10 cycle. A 10% sag is considered an
event during which the RMS voltage decreased by 10% to 0.9 pu. Voltage sags are widely
recorgnized as among the most common and inportant aspects of power quality problems
affecting industrial and commercial customers. They are particularly troublesome. Since they occur
randomly and are difficult to predict.
Volatge sags are normally associated with system faults on the distribution system, sudden
increase in system loads, lightning strikes or starting of large load like induction motors. It is not
possible to eliminate faults on a system. One of the most common causes of faults occuring on
high-volatage transmission systems is a lightning strike. When there is a fault caused by a lightning
strike, the voltage can sag to 50% of the standard range and can last from four to seven cycles.
Most loads will be tripped off when encounter this type of voltage level. Possible effect of voltage
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Recloser controller FTU- R200
sags would be system shutdown or reduce effciency and life span of electrical equipment,
particularly motors.
Equipment sensitivity to voltage sag occurs randomly and has become the most serious power
quality problem affecting many industries and commercial customers presently. An industrial
monitoring program determined an 87% voltage disturbances could be associate to voltage sags.
Most of the fault on the utility transmission and distribution system are single line-to-ground faults
(SLGF).
Range
Def.
Step
Unit
Detection Level
0.50~0.99
0.90
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
Comment
6.2.2.2 SWELL
A swell (also known as momentary overvoltage) is an increase in RMS voltage or current at the
power frequency to between 1.01 and 1.5 Pu for duration from 0.5 to 10 cycles. Swells are
commonly caused by system conditions, switching off a large load or energizing a large capacitor
bank. A swell can occur during a single line-to-ground fault (SLGF) with a temporary voltage rise
on the unfaulted phases. They are not as common as voltage sags and are characterized also by
both the magnitude and duration. During a fault condition, the severity of a voltage swell is very
much dependent on the system inpedance, location of the fault and grounding. The effect of this
type of disturbance would be hardware failure in the equipment due to overheating.
Range
Def.
Step
Unit
Detection Level
1.01~1.50
1.20
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
Comment
6.2.2.3 INTERRUPTION
An interruption occurs when there is a reduction of the supply voltage or load current to
between 0.1 and 0.49 pu for duration from 0.5 to 10 cycle. Possible causes would be circuit
breakers responding to overload, lightning and faults. Interruptions are the result of equipment
failures, power system faults and control malfunctions. They are characterized by their duration as
the voltage magnitude is always less than 10% of the nominal. The duration of an interruption can
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Recloser controller FTU- R200
be irregular when due to equipment malfuctions or loose connections. The duration of an
interruption due to a fault on the utility system is determined by the utility protective devices
operating time.
Range
Def.
Step
Unit
Detection Level
0.10~0.49
0.10
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
6.2.3
Comment
VOLTAGE & CURRENT THD ALARM
The Total Harmonic Distortion, or THD, of a sigmal is a measurement of the harmonic distortion
present and is defined as the ratio of the sum of the powers of all harmonic components to
the power of the fundamental frequency.
Range
Def.
Step
Unit
Alarm Level
0.5~100.0
0.0
0.1
%
Detection Time
0.2~60.0
0.4
0.2
sec
Alarm Level
0.5~100.0
0.0
0.1
%
Detection Time
0.2~60.0
0.4
0.2
sec
Comment
Voltage
Current
6.3
COMMUNICATION
6.3.1
PORT PARAMETERS
6.3.1.1 SERIAL PORT
Speed
Slave Adderss
Protocol
Port
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Range
Def.
1200/2400/4800/9600/19200
1200
1~65534
1
DNP/IEC101/IEC104
DNP
RS232C/RS485
RS232C
Step
Unit
1
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Recloser controller FTU- R200
6.3.1.2 DIAL UP
Range
Def.
Dial-up Mode
DISABLE/ENABLE
DISABLE
Phone Number
20 Digit
Auto Hang-up Time
Step
Unit
1
0~255
5
1
sec
Range
Def.
Step
Unit
IP Address
-
0.0.0.0
Subnet Mask
-
255.255.255.0
Gateway
-
0.0.0.0
DNP Port
0~65535
20000
1
IEC Port
0~65535
2404
1
Range
Def.
Step
Unit
2-WIRE/4-WIRE
4-WIRE
RTS Off Delay
10~500
50
10
ms
CTS Timeout
1~255
2
1
sec
DCD Timeout
0.1~30.0
5.0
0.1
sec
6.3.1.3 TCP/IP PORT
6.3.1.4 MODEM CONTROL
Line
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6.3.2
Recloser controller FTU- R200
DNP3.0 PARAMETERS
Range
Def.
Step
0~2
0
1
D/L Timeout
1~255
30
1
D/L Confirm
NO/YES/SOMETIMES
SOMETIMES
0~2
1
1
1~255
40
1
sec
NO/YES
NO
Unsolicited Class 1 Delay Time
0~60
5
1
sec
Unsolicited Class 2 Delay Time
0~60
5
1
sec
Unsolicited Class 3 Delay Time
0~60
5
1
sec
Arm Timeout
1~255
15
1
sec
Unsolicited Address
0~65534
65534
1
Multi Frame Interval
10~500
100
10
Unsolicited Class 1
DISABLE/ENABLE
DISABLE
Unsolicited Class 2
DISABLE/ENABLE
DISABLE
Unsolicited Class 3
DISABLE/ENABLE
DISABLE
D/L Retries
A/L Retries
A/L Timeout
Initial Unsolicited MSG
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Unit
sec
ms
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6.3.3
Recloser controller FTU- R200
IEC PARAMETERS
Range
Def.
Step
Unit
Cyclic Period
0~60
0
1
sec
Arm Timeout
1~255
15
1
sec
Single Point Class
CLASS1/CLASS2
CLASS1
Double Point Class
CLASS1/CLASS2
CLASS1
Measured Point Class
CLASS1/CLASS2
CLASS2
Link Address Size
0~2
2
1
Common Address Size
1~2
2
1
Object Address Size
1~3
2
1
COT Address Size
1~2
1
1
NONE/CP24/CP56
CP56
NO/YES
YES
t0 Off Line Poll Period
1~255
30
1
sec
t1 Ack Period
1~255
15
1
sec
t2 SFrame Period
1~255
10
1
sec
t3 Test Period
1~255
20
1
sec
IEC101 PARAMETERS
Time Marker
Single NACK Control
IEC104 PARAMETERS
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7
STATUS MONITORING & CONTROL
7.1
SWITCH CONTROL
Recloser controller FTU- R200
Recloser can be controlled from remote or local operator place. Operator place can be changed
only at local front panel. ‘REMOTE CONTROL’ push button is to select the operator place. Operator
place is toggled between local and remote by pushing button. LED is lit if remote position is
selected. FTU-R200 begins with remote position at power-up. Control is allowed only at the
position selected.
Local switch control requires two-step operation. It’s for security of operation. ‘SELECT’ button
should be pushed before ‘CLOSE’ or ‘OPEN’. SELECT LED is lit if SELECT operation is valid. SELECT
can be canceled by pushing SELECT button again or automatically after SBO timeout without
operation. CLOSE or OPEN operation is valid while this LED is lit. Pushing CLOSE or OPEN button
outputs switch control signal with fixed time pulse which is configurable. Switch status change
input which is auxiliary contacts of switch stops continuing to output pulse. There are some
interlock conditions to inhibit FTU from outputting pulse signal.
Gas low, Switch handle lock, same status of switch auxiliary contacts ‘a’, ‘b’ are those. Close or
open pulse width shall be set longer than switch operating time.
Remote switch control is possible by using SCADA protocol DNP3.0 or IEC60870-5-101,
IEC60870-5-104 FTU-R200 supports SBO (Select Before Operate) or Direct operate. If the operator
place is set to ‘Local’, remote control commands are refused. Pulse width of remote control
command shorter than setting will be overridden by local configuration
7.2
SWITCH STATUS MONITORING
FTU monitors switch open/close, gas and lock status through auxiliary contacts. FTU scans these
contacts input every 5 milliseconds. Switch open/close status is determined by double binary input,
normally open and closed contacts. Changes of all input status are saved as events with time tag in
history buffer. For each contact input, on-delay time can be applied. It’s adjustable within
10~500ms by 5ms step.
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Recloser controller FTU- R200
BATTEY MONITORING
FTU monitors external Lead-acid battery through the control unit, which are mounted on inner
back-side of control box. Battery voltage is supervised continuously during external AC supply loss.
If over-discharge condition occurred, the control unit sends alarm signal to RTU and disconnect
battery in order to protect battery cell damage after 1-minute delay. The delay enables RTU to
send alarm state to remote station via communication. Also while AC supply is applied, battery test
control activates this function with connecting dummy battery load during test pulse, which is
configurable. The test control command can be ordered at local or remote.
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8
MEASUREMENTS
8.1
BASIC ELECTRIC QUANTITIES
Recloser controller FTU- R200
FTU has 3-phase currents and 6 voltages input. DSP digitizes these signals and calculates various
electric quantities. These are basically based on fundamental frequency components. DSP use FFT
(Fast Fourier Transform) algorithm to get the components. Also DSP calculates true RMS of 3phase currents and voltages which include system frequency components and 2nd~31th harmonics.
Actually harmonic components over than 31th are attenuated by analog filters. Electric quantities
calculated are listed in the following.
Currents (Ia, Ib, Ic, In)
RMS, Phase Angle, True RMS
Voltage (Va, Vb, Vc, Vr, Vs, Vt)
RMS, Phase Angle, True RMS
Apparent Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Active Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Reactive Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Power Factor
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Va-Vr Phase Angle Difference
Current, Voltage Unbalance
Frequency, Temporature
In the above items listed, active power, reactive power values are signed integer. Sign represents
power flow or if loads are inductive or capacitive. Also power factor has lead/lag state value
separately.
Currents and voltages have phase angles, which are relative phase angles compared to the
reference Va. These angles are useful to monitor the phase sequence and imbalance of distribution
line.
8.2
SEQUENCE COMPONENTS
FTU provides the sequence components of 3-phase currents and voltages. They are positive
sequence current (I1) and voltage (V1), negative sequence current (I2) and voltage (V2), and zero
sequence voltage (V0) which are calculated by 3-phase phasor quantities. This information can be
used to monitor imbalance of distribution line.
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8.3
Recloser controller FTU- R200
HARMONICS
FTU extracts harmonic components from 3-phase current and voltage signals by using FFT (Fast
Fourier Transform). It provides 2nd to 31st harmonic magnitudes and THDs (Total Harmonic
Distortion) for each phase. THD is the total harmonic percentage to the fundamental frequency
component. FTU also calculates and provides 3-phase THD. These values may be used to monitor
the power quality of distribution line.
8.4
ENERGY
FTU provides active energy, reactive energy for each phase or 3-phase total. Also import, export
energy are accumulated on separate register. Units of energy are kWh, kVarh, which represent
primary distribution line energy flow. The values are represented by 16-bit rollovers kWh, kVarh
counters which are available at remote or local. Power calculation for energy is based on the
fundamental frequency component. It’s not for billing purpose, but for load management. Proper
energy accumulation needs that SCADA read energy counter with reset from FTU and accumulate
it on SCADA’s local register by periods shorter than the expected rollover time of the counter.
Figure 8-1 Four-quadrant power flow directions
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8.5
Recloser controller FTU- R200
DEMAND CURRENTS AND POWER
FTU calculates and stores average of currents and active, reactive powers during the demand
interval, which is configurable as 5, 10, or 15 minutes. The buffer has 1023 demands. Also FTU
stores daily peak demand up to 1023.
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9
MAINTENANCE SOFTWARE
9.1
OVERVIEW
FTU-R200 has a dedicated setting and operation tool, FTUMan. This tool is operated on PC or
Notebook, and through RS232C port on front panel of FTU-R200. For this communication,
MODBUS protocol is used.
It supports the follwing features.
9
Setting & Configuration changes
9
Event & Waveform load
9
Measurement & Status display
9
Waveform File upload and convert
9
SCADA monitors protocol data frame between devices
Figure 9-1 Overview of FTUMans
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9.2
9.2.1
Recloser controller FTU- R200
OPERATION OF FTUMAN
MENU
9.2.1.1 FILE
New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog.
An existing FTU File (*.f2s) can be selected and opened.
Save
Saves the current file to the hard drive. If the file is new and this is the
first time it has been saved, the Save As dialog will be opened allowing
the user to type in a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file
to be saved under a new name.
Exit
Closes the current file and exits the tool.
9.2.1.2 COMM
Comm.Config
Opens a window for communication configuration dialog.
Comm.Connection
Starts communication with FTU-R200
Comm.Disconnection
Stops connecting with FTU-R200
Figure 9-2 Comm. Configuration Window
9
Port
Select a serial Port of Laptop
9
Baud Rate
Make to the transmission medium per second of in a digitally signal
9
Retry Set up the count if it failed to connect
9
Timeout
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9.2.1.3 COMMAND
9
Clock Setting
Set RTC Time of FTU-R200
Figure 9-3 Clock Setting Window
9
Device Time
Gets the current time per 1 second from FTU-R200.
Setting Time
The operator can set aside time.
Use System Time
The operator can use PC’s time.
Write
Write RTC time to FTU-R200
Close
Close this window
Factory
Reset to factory defaults.
Initialization
Warning: Restoring FTU-R200 to factory defaults will erase
all previous setting, configuration and event.
Fiqure 9-4 Factory Initialization Message Window
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9.2.1.4 TOOLS
Protocol Monitoring
Protocol monitoring command activation or deactivation.
IO Configuration
Run the IOConfig program for I/O setting.
The IOConfig is explained in the Section 10.
DNP3.0
Run the DNPConfig program for DNP index configuration.
Index Configuration
The DNPConfig is explained in the Section 11.
Waveform
Run the EvalTool program for analysis waveform data.
Evaluation Tool
The EvalTool is explained in the Section 12.
9.2.1.5 VIEW
Toolbar
Show or hide the toolbar.
Status Bar
Show or hide the status bar.
Monitoring Bar
Show or hide the monitoring bar. The monitoring bar shows
communication status with FTU-R200.
9.2.1.6 HELP
The Help Menu opens a window for FTUMan’s program version and information.
9.2.2
TOOLBAR
Below the menu is a toolbar with 9 buttons.
Figure 9-5 Toolbar of FTUMan
Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens a window for FTUMan’s program version and
information.
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9.2..3
R
Recloser
contrroller FTU- R2
200
STATUS
SBAR
Fiqu
ure 9-6 Statuss Bar
9.2..4
MODEL
Model Name
F/W
mware Version
n
Firm
PORT
Seriial Port Numb
ber and Speed
d
MODE
Com
mmunication Status
MONIT ORING BAR
R
Figure 9-7 Monitorring Bar
Som
me performancce is finished
Read
ds data from FTU-R200
Wirttes the setting
g value on FT
TU-R200
Whe
en Factory Initialization occcurs.
Erro
or of connectio
on or operatio
on
Connect or Disco
onnect betwee
en PC and FTU
U-R200
Whe
en the time se
et is complete
ed
9.2..5
FUNCTIION AND CO
ONFIGURAT
TION SETTIN
NG
In
n Function an
nd Configura
ation window
w, existing se
etting values of FTU-R200
0 can be vie
ewed
thro
ough ‘Upload’ button, or setting values are edited and downloa
aded to FTU-R200 by cliccking
‘Dow
wnload’ butto
on to apply ne
ew setting values to FTU-R
R200.
w
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In some cases, operators require to save and reuse these edited setting values. To satisfy this
request, FTUMan tool has ‘New’, ‘Open’ and ‘Save’ menu items in File Menu. The file extension
name is ‘f2s’.
If you set up the ADGS (Auto Detection Group Setting) Function ‘ON’, you can check the current
direction ‘Forward’ or ‘Reverse’.
Function has 5 contents, 4 setting groups and
active group setting. Each group has protection
setting value for FTU-R200.
Configuration has 3 contents for I/O, PQM and
communication.
Communication
seperated
3
contens, for Port, DNP3.0 and IEC protocol
parameter to communication for SCADA.
In tree view, if you choose some content, icon
will be replaced with a red icon from a blue icon.
And show setting parameters related content.
Figure 9-8 Tree View
for Funtion and Coufiguration
How to edit the setting value? Click the content in tree view and editing value using double-click
or Enter-Key. If you changed value, the text color is changed in red.
Figure 9-9 before the Change
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Figure 9-10 after the Change
And, in event window has a following pop-up menu. In the Tree View, select ‘FUNCTION’or
‘CONFIGURATION’ or all sub contens, and press the right-click pop-up menu is avaliable.
If you click ‘Upload’ Button, the setting
parameters related selected contents in
the tree view reads from FTU-R200.
Also, if you click ‘Download’ Button, the
setting
parameters
related
selected
contents in the tree view writes to FTUR200.
Figure 9-11 Pop-up Menu for Event Window
Figure 9-12 Input Password Dialog
When the Factory Initialization or all of information are changed, Input Password Window will be
appeared.
Note: Default Password is ‘ftuman’.
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9.2.6
Recloser controller FTU- R200
EVENT
In Event window, operators can list up all the event records, which are stored in the memory of
FTU-R200 by clicking ‘Upload’ button. Also 8 kinds of events are stored. Each event type of event
can be separately uploaded from FTU-R200 and can save to CSV format file. Time Resolution for
event recording is 5 msec and scanning interval is 1 msec.
And, in event window has a following pop-up menu. In the Tree View, select ‘EVENT’ and press
the right-click pop-up menu is avaliable.
Figure 9-13 Pop-up Menu for Event Window
Upload
Reads the selected events in the tree view.
Clear All Events
Delete all event stored.
Clear Fault Events
Delete only fault events.
Save to CSV File
Current event saves to CSV (Comma-Saperated Values file) file
format.
9
CSV File
A Comma-Seperated Values (CSV) file is used for the digital storage of data structed in
a table of lists form, where each associated item (member) in a group is in association
with others also seperated by the commas of its set.
Each line in the CSV file corresponds to a row in the table. Within a line, fields are
seperated by commas, each field belonging to one table column. Since it is a common
and simple file format, CSV files are often used for moving tabular data between two
different computer programs, for example between a database program and a
spreadsheet program.
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9.2.6.1 I/O EVENT
Figure 9-14 I/O Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Information of generated binary event.
Status
Occured contact points and binary status, OFF/ON/AUTO
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9.2.6.2 FUNCTION EVENT
Figure 9-15 Function Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Operation of protection functions.
Status
Occurred function event status, OFF/ON.
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9.2.6.3 SYSTEM EVENT
Figure 9-16 System Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Information of generated event like set value changed, triggered by power
reset and system error or self-diagnosis.
Status
Occurred event position and detailed description of system error or selfdiagnosis.
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9.2.6.4 FAULT EVENT
Figure 9-17 Fault Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
OC
Detecting over-current.
SEF
Detecting Sensitive Earth Fault.
UFR
Detecting Under Frequency.
DIR
Fault current direction.
Inrush
Detecting inrush restraint.
Ia, Ib, Ic, In, V0
Fault current and zero-sequency voltage
Group
Current setting group
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9.2.6.5 PQM EVENT
Figure 9-18 PQM Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
The occurance history of power quality function change.
Value
RMS value of voltage when moment voltage change occurs.
Unit: kV
Duration
Duration time of moment voltage change by msec.
Unit: msec
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9.2.6.6 DEMAND CURRENT EVENT
Figure 9-19 Demand Current Event Window
Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Ia, Ib, Ic, In
Demand current of each phase and neutral.
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9.2.6.7 DEMAND POWER EVENT
Figure 9-20 Demand Power Event Window
Index
Event sequence number, the recent events that occurred is
displayed on top.
Date & Time
Event occurred time.
kWa, kWb, kWc, kW3ph
3-phase total and each phase kW.
kVARa, kVARb,
3-phase total and each phase kVAR.
kVARc, kVAR3ph
9.2.6.8 DAILY MAXIMUM CURRENT EVENT
For more details, similar in section 9.2.5.6. Demand Current Event.
9.2.6.9 DAILY MAXIMUM POWER EVENT
For more details, similar in section 9.2.5.7. Demand Power Event.
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9.2.7
Recloser controller FTU- R200
MEASUREMENT
Operators can monitor all kinds of measurement values such as current, voltage, sequence value,
power and energy, etc. And, FTU-R200 has the function of Harmonic Analysis, therefore up to 31st
harmonics RMS value and THD for current and voltage are measured and displayed. Lastly, counter
values and accumulation data are displayed.
FTUMan has 6 kinds of Mesurement window. The measurement value updates per 1 second.
9.2.7.1 BASIC VALUE
Operators can check the basic value like load or source volatage, current including RMS, Phase
Angle and True RMS also apparent, active and reactive power. And it shows unbalance frequency,
temperature and so on.
Figure 9-21 Basic Mesurement Window
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9.2.7.2 SEQUENCE VALUE
It shows zero, positive and negative sequence of source or load voltage and current.
Fiqure 9-22 Sequence Value Window
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9.2.7.3 POWER
You can check active, reactive and apparent power of each phase or 3-phase. It also shows lag
of each phase or lead.
Fiqure 9-23 Power Winodw
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9.2.7.4 ENERGY
FTU-R200 provies imported or exported energy according to conductive, inductive energy of
each phase or 3-phase total.
Fiqure 9-24 Energy Window
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9.2.7.5 HARMONICS
It displays THD and each harmonics value of voltage and current. It shows from 2nd to 31st per 1
second.
Fiqure 9-25 Harmonics Window
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9.2.7.6 COUNTER
It basically shows restart, fault, PQM and THD counter and total interruption time.
Fiqure 9-26 Counter Window
Restart
Show restarts time and its count.
Fault Counter
Show the total fault count of each, neutral phase and Switch
Trip.
PQM Counter
Show the short-duration voltage variation event count.
Total Interruption Time
Show the total interruption time.
THD Counter
Show the each or total phase’s current and voltage THD counts.
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9.2.8
Recloser controller FTU- R200
STATUS
In status window, all the status indications and command are displayed.
Figure 9-27 Status Window
When operator supervises some command in status window, this window generated. Upper box
shows device name, bottom box displays command name. If you click the ‘OK’ button, command
will be operated and window will be disappeared.
Figure 99-28 Commnad Window
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9.2.9
Recloser controller FTU- R200
WAVEFORM
In waveform window displays Fault and PQM waveforms list stored in FTU-R200.
FTU-R200 can record and store the data for up to 8 faults, up to 6 PQM and 1 waveform by
manual triggering. And each waveform has the data of 20 cycles at 128 samples.
How to upload waveforms are as follow. First, by using the ‘Upload’ command reads a list of
stored waveforms on the FTU-R200.
Figure 9-29 Waveform List Uploaded
To import the waveform from FTU-R200, select a row and double click, you upload the following
message window appears.
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Figure 9-30 Message Window
If you click the ‘OK’ button, opens standard Windows Save As dialog box and enter the file name,
and click the Save button. And then will start uploading waveform.
The follwing window shows the progress for uploading.
Figure 9-31 Progress Window
The file is stored in the COMTRADE file format by converting. The stored file is avalilable the
waveform analysis by EvalTool. The EvalTool is explained in the Section 12. And, in waveform
window has a following pop-up menu. In the Tree View, select ‘WAVEFORM’ and press the rightclick pop-up menu is avaliable.
Fiqure 9-32 Pop-up Menu for Waveform Window
Upload
Read waveform list from FTU-R200.
Manual Trigger
Capture current waveform by manual triggerring.
Clear Fault Waveforms
Delete all fault waveform stored.
Clear PQM Waveforms
Delete all PQM waveform stored.
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10
Recloser controller FTU- R200
I/O CONFIGURATION TOOL
10.1 OVERVIEW
The ‘IO Config’ tool allows FTU users to custom I/O mappings.
Figure 10-1 Overview of IOConfig Tool
The I/O mapping is created using the tool and saved to an IO File (*.iom). Once a valid file has
been created, it is linked to the Recloser device.
The IOConfig tool is intended to be used off-line only. Mappings are created, saved and linked
to FTUMan while disconnected from the FTU. Once these tasks have been completed the user
connects to the device and writes the new mapping into the Recloser.
9
Warning: Make sure the IOConfig Tool is closed after a mapping has been edited. If the
Tool is left open while the Automatic Data Retriaval feature is running it may attempt to
update a mapping file that is already open in the Tool. This will either cause the read
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Recloser controller FTU- R200
operation to fail or result in a situation where the newly read file differs from the file
open within the Tool.
10.2 OPERATION OF IOCONFIG
To start the IOConfig Tool selects ‘Tools – IO Configration’ from the FTUMan menu. When you
run the IOConfig Tool, main screen is displayed as show in following figure. There are two tabbed
pages in the IOConfig Tool.
Figure 10-2 Main Screen of IOConfig Tool
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10.2.1 MENU
The File Menu has the following options.
New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog. An
Save
Saves the current file to the hard drive. If the file is new and this is the first time
existing IO File (*.iom) can be selected and opened.
it has been saved, the Save As dialog will be opened allowing the user to type in
a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file to be
saved under a new name.
Exit
Closes the current file and exits the tool.
The Comm Menu is explained in the Section 9.2.1.2 Comm.
The View Menu is explained in the Section 9.2.1.5 View.
The Help Menu opens a window for IOConfig’s program version and information.
10.2.2 TOOLBAR
Below the menu is a toolbar with 9 buttons.
Figure 10-3 Toolbar of IOConfig
Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens
a
window
for
IOConfig’s
program
version
and
information.
Once you Press the Upload or Download button, the follwing window appears. This window
determines the types of data read or write.
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Figure 10-4 Select Widow
10.2.3 INPUT
FTU-R200 has 10 inputs. Input is created by filling the fields on the Input tab. Each column is
defined as follows.
Name
Input name is defined.
Type of the characters is limited to 11 characters.
Note: 0~3 of 4 input points is fixed.
Debounce Time
The minimum time to retain status change.
Like, it prevents making useless information against chattering
in the point
Invert
Specifies whether the point will be inverted.
Blk.Open
To open blocked
Blk.Close
To close blocked
Ext.Trip
To trip using external input
Ext. Close
To close using external input
Figure 10-5 Input Tab
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10.2.4 OUTPUT
FTU-R200 has 4 relay outputs and 2 photoMOS relay outs. Output is created by filling the fields
on the Output tab. Eash column is defined as follows.
Figure 10-6 Output Tab
Name
Output name is defined.
Type characters are limited to 11 characters.
Only index number of 3 is changed.
Pulse Time
Set a pulse command.
Control Output
Select type of PhotoMOS or Contact Relay for OPEN and
CLOSE.
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11
Recloser controller FTU- R200
DNP3.0 INDEX CONFIGURATION TOOL
11.1 OVERVIEW
Custom DNP3.0 point index maps can now be created and loaded into FTU directly from
DNPConfig. The mappings is created using the tool and saved to a DNP3.0 mapping file (*.d3m).
Figure 11-1 Overview of DNPConfig
The DNPConfig tool is intended to be used off-line only. Mappings are created, saved and
linked to FTUMan while disconnected from the FTU. Once these tasks have been completed the
user connects to the device and writes the new mapping into the Recloser.
9
Warning: Make sure the DNPConfig Tool is closed after a mapping has been edited. If
the Tool is left open while the Automatic Data Retriaval feature is running it may attempt
to update a mapping file that is already open in the Tool. This will either cause the read
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operation to fail or result in a situation where the newly read file differs from the file open within
the Tool.
11.2 OPERATION OF DNPCONFIG
To start the DNPConfig Tool selects ‘Tools – DNP3.0 Index Configration’ from the FTUMan
menu. When you run the DNPConfig Tool, main screen is displayed as show in following figure.
There are 4 tabbed pages, Binaty Input, Binary Output, Analog Input and Counter, in the
DNPConfig Tool.
Figure 11-2 Main Screen of DNPConfig
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The DNPConfig tool allows the user to build custom mapplings to suit their own application.
Points are added by selecting a row in PID Columns on one of the tabbed pages then double
clicking point from the Configuration Tool Box or entering index number in configuration tool box
defined. Points are deleted by selecting a row and pressing ‘Delete’ on the keyboard or entering
‘0’. The PID Number ‘0’ means is not used anymore. You can choose to either shift all the rows
below up one, or leave the entire row blank.
The DNPConfig tool allows the following.
9
Up to 128 Binary Input
9
Up to 32 Binary Output
9
Up to 512 Analog Input
9
Up to 128 Counter
9
11.3.1 MENU
The File Menu has the following options.
New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog.
An existing DNP File (*.d3m) can be selected and opened.
Save
Saves the current file to the hard drive. If the file is new and this is the first
time it has been saved, the Save As dialog will be opened allowing the user
to type in a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file
to be saved under a new name.
Exit
Closes the current file and exits the tool.
The Comm Menu is explained in the Section 9.2.1.2 Comm.
The View Menu is explained in the Section 9.2.1.5 View.
The Help Menu opens a window for DNPConfig’s program version and information.
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11.3.2 TOOLBAR
Figure 11-3 Toolbar of DNPConfig
Tool
Shows or hides a window the DNP3.0 Configuration tool box.
Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens a window for DNPConfig’s program version and information.
Pressing Upload or Download button, the follwing window appears. This window determines the
types of data read or write.
Figure 11-4 Select Widow
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11.3.3 CONFIGURATION TOOL BOX
The configutation tool box panel is launched by clicking the Tool button.
Figure 11-5 Configuration Tool Box
The toolbox contains every available point for FTU-R200. The toolbox displays different points
depends on which tab selected. For example, if the Counters tab is selected then only accumulators
will be displayed on the list.
11.3.4 BINARY INPUT
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Binary inputs are used to report the status of binary points.
Figure 11-6 Binary Input Tab
Index
Specifies the DNP ID Number of the point
Range : 0 to 127
PID
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Specifies number as defiend in the configuration tool box.
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The PID Number’s ‘0’ meaning is not used anymore. Range : 0 to 59
Name
The name of the points as defiend in the configuration tool box.
This field can be changed in two ways:
9
Selecting the cell then double clicking a point in the configuration
tool box.
9
Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by
checking from the checkbox.
COS
Select event type, COS(Change of state) or SOE(Sequence of Events)
Invert
Specifies whether the point will be inverted. If the point is inverted it will
be transmitted when the condition is false than true.
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DNP3.0 Classes
There are four classes in DNP3.0. These are defined as follows:
0
Class 0 is not an event class. It is used when reporting current (static) data values and
not changes of state events.
Note: Setting a point to Class 0 will prevent the controller’s protocol handler from
reporting change of state events for that point to the master station. The point still
remains accessible through static data polls.
1
Class 1 used to report high priority events. Events in this class take precedence.
2
Class 2 used to report medium priority events.
3
Class 3 used to report low priority events.
11.3.5 BINARY OUTPUT
Binary Outputs are used to perform operations on the Recloser device and change setting.
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Figure 11-7 Binary Output Tab
Index
Specifies the DNP ID Number of the point
Range : 0 to 31
PID
Specifies number as defiend in the configuration tool box.
The PID Number ‘0’ means is not used anymore.
Range : 0 to 10
Name
The name of the points as defiend in the configuration tool box.
This field can be changed in two ways:
9
Selecting the cell then double clicking a point in the configuration
tool box.
9
Entering PID number as defiend in configuration tool box.
11.3.6 ANALOG INPUT
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Analog Points are used to transmit analog data such as line currents, voltages and contact life.
Analog intputs are created by adding points as required, then modifying the parameters from
defaults if necessary.
Figure 11-8 Analog Input Tab
Index
Specifies the DNP ID Number of the point
Range : 0 to 511
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PID
Recloser controller FTU- R200
Specifies number as defiend in the configuration tool box.
The PID Number ‘0’ means is not used anymore.
Range : 0 to 331
Name
The name of the points as defiend in the configuration tool box.
This field can be changed in two ways:
9
Selecting the cell then double clicking a point in the configuration tool
box.
9
Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by checking
from the checkbox.
COS
Select event type, COS(Change of state) or SOE(Sequence of Events)
Scale
The scale is used to multiply the reported analog value by the amount enterd.
For example, scaling the Ia RMS value by a multiple of ten will change the
reported value from zero decimal points to one decimal point (i.e:9 to 9.0)
Default Value: 1, Range: 1,10,100,1000
Deadband
Display the deadband value for the point. The analog point value must change
by more than the deadband amount before it is reported.
11.3.7 COUNTER
Counters are used to count data and events such as Trips, Protection Pickups, Faults and
Accumulated kWh.
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Figure 11-9 Counter Tab
Index
Specifies the DNP ID Number of the point
Range : 0 to 127
PID
Specifies number as defiend in the configuration tool box.
The PID Number’s ‘0’ means are not used anymore.
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Name
Range : 0 to 66
Recloser controller FTU- R200
The name of the points as defiend in the configuration tool box.
This field can be changed in two ways:
9
Selecting the cell then double clicking a point in the configuration tool
box.
9
Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by checking
from the checkbox.
COS
12
Select event type, COS(Change of state) or SOE(Sequence of Events)
WAVEFORM EVALUATION TOOL
12.1 OVERVIEW
The Waveform data upload from FTU-R200 through the above setting program are analyzed in
this evaluation tool. Graphs of currents/voltages and operation of protection elements are
displayed, and instantaneous/RMS current and voltage values, phase angles and time information
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at tracker position are presented. If 2 trackter one is moving with left mouse button and the other
with right mouse button are used, time difference between two points is presented and it becomes
the ruler for correct operation of protection element as setting. And, harmonics up to 31st and THD
(Total Harmonic Distortion) also show up.
Recorded waveforms can be uploaded to FTUMan in local site. After uploading stored to the
COMTRADE file format. These waveform data saved as COMTRADE file format and compatible
with other analyzing tool.
9
COMTRADE file
Comtrade (COMmon format for Transient Data Exchange for power systems) is a file
format for oscilloscops data. It is used by many leading coñpanies for the oscilloscops
used in high voltage substations. It has been standardised by the IEEE.
Figure 1212-1 Overview of EvalTool
12.2 OPERATION OF EVALTOOL
To start the EvalTool selects ‘Tools – Waveform Evaluation Tool’ from the FTUMan menu. The
tool has meter view and scroll view for graph.
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Figure 12-2 Main Screen of EvalTool
12.2.1 MENU
The File Menu has the following options.
Open
Closes the current file and opens a standard window file selection dialog. An
existing Data File (*.dat) can be selected and opened.
Exit
Closes the current file and exits the tool.
The Option Menu has the following options.
Graph
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Opens analog and digital graph select window..
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Figure 12-3 Graph Select Window
Harmonic
Open a window for voltage and current harmonics.
Fiqure 12-4 Haramonic List Window
Move
Change the position of the screen.
Zoom
The screen to yellow line center to shrink or enlarge the size.
The Help Menu opens a window for EvalTool’s program version and information.
12.2.2 TOOLBAR
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Figure 12-5 Toolbar of EvalTool
Graph
Show the entire graph
Harmonic List
Check the harmonic list
Move-First
Move to the beginning graph
Move-Double left
Show the prior 2-step
Move-Left
Show the prior 1-step
Move-Right
Show the posterior 1-step
Move-Double right
Show the posterior 2-step
Move-End
Move to the last graph
Zoom In
Enlarged image
Zoom out
Shirink image
Zoom All
Enlarge all image
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