Toshiba GR200 Series - 2 Relay application

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 23 -
2 Relay application
Contents
Pages
Pages
Autoreclosing
–
Earth fault protection (EF)
243
-Reclosing CB (ARC)
420
Fail safe schemes
–
-Blocking reclose in CBF
295
-using Common relay (FS)
359
-Blocking reclose in ZS, ZG
123
---with Overcurrent element
360
-Blocking reclose in DIFL
30
---with Phase current change detector
360
-Blocking reclose in DIFGL
44
---with Earth fault current element
360
-Blocking reclose in OC
232
---with Multi-level OC elements
361
-Blocking reclose in EF
252
---with UV element in single phase
362
-Blocking reclose in OCN
270
---with UV element in phases
362
Broken conductor protection (BCD)
285
---with UV change element
362
Breaker failure protection (CBF)
291
-in Distance relay (ZS/ZG)
122
Cold load protection (CLP)
546
Fault locator (FL-A and FL-Z)
378
Communication
–
Frequency protection (FRQ/DFRQ)
340
-Common control (COMM_APPL)
508
Inrush current detection(ICD)
356
-DIF control (DIF_COMM)
494
Overcurrent protection (OC)
220
CT failure detection scheme (CTF)
–
Overcurrent protection in negative (OCN)
261
-CT failure detection
373
Overvoltage protection (OV)
301
-CT circuit-failure detection in DIFL
34
Overvoltage protection in phases (OVS)
309
-CT circuit-failure detection in DIFGL
47
Overvoltage protection in ground (OVG)
316
Current diffential protection
–
Out of step with voltage (OSTV)
350
-Outline for segregated-phase (DIFL)
25
Pilot (carrier) scheme
–
-Outline for earth fault (DIFGL)
41
-POP with directional earth (DEFCAR)
205
-Check relays characteristics in DIFL
32
-POP with distance relay (DISCAR)
187
-Check relay characteristic in DIFGL
46
-UOP with directional earth (DEFCAR)
208
-Charge-current compensation in DIFL
35
-UOP with distance relay (DISCAR)
190
-Charge-current compensation in DIFGL
48
-BOP with directional earth (DEFCAR)
208
-CT saturation countermeasure in DIFL
49
-BOP with distance relay (DISCAR)
192
-Differential current monitor in DIFL
37
-PUP with distance relay (DISCAR)
186
-Through-fault-current in DIFL
59
-Direct transfer trip (DTT)
180
-Fault on double circuit-lines in DIFL
72
-DISCAR relay characteristics
124
-Fault on Three-terminals line in DIFL
73
-Remote DIF trip (RDIF)
73
Common function
–
Stub scheme
–
-Common relays (PROT_COMMON)
534
-Stub protection with OC (STUB-OC)
86
-Detection of current change
540
-Stub protection in DIFL
68
Distance protection (ZS/ZG)
–
Switch on to fault scheme
–
-Pinciple and equations
91
-SOTF with OC (SOTF-OC)
216
-Z1 element control
123
-SOTF with Distance relay
129
-Z1,Z1X,Z2 to Z5 element characteristics.
103
Thermal overload function (THM)
279
-Load enchroachment block relay (LEB)
121
Trip command (TRC)
405
-Power swing block relay (PSB)
117
Under-voltage function (UV)
323
-Blocking phase-ground elements
129
Under-voltage function for phases(UVS)
331
-Enhancing faulted phases detection
129
Voltage check for ARC(VCHK)
475
VT failure detection (VTF)
367