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Relay application
2
Contents
Autoreclosing (ARC)
-Blocking reclose in CBF
-Blocking reclose in EF
-Blocking reclose in OC
-Blocking reclose in OCN
-Blocking reclose in SEF
Automatic transfer operation (ATO)
-Transfer judgements
-ATO relays
Broken conductor protection (BCD)
Breaker failure protection (CBF)
-Backup
-CBF characteristics
-Re-trip
Cold load protection (CLP)
Common function (PROT_COMMON)
-CB status
-DS status
-Detection of current change
CT failure detection scheme (CTF)
-BCD blocked by CT failure
-EF blocked by CT failure
-OCN blocked by CT failure
-UC blocked by CT failure
-RP blocked by CT failure
-RQ blocked by CT failure
-CTF features
Earth fault protection (EF)
-Time characteristics
-Polarity
-Pick-up thresholds
Earth fault overvoltage protection (OVG)
-Pick-up characteristic
-Time characteristic
Frequency protection (FRQ/DFRQ)
-Under/Over frequency (FRQ)
-Rise/Down change (DFRQ)
-Rapid change detection (RCD)
Fault locator (FL-A)
———————————————————————————————————————————————
†To determine whether a particular feature has been implemented in the IED, check the software model
number at "S, G&T position" in the ordering codes. For more information, see
(→page 1133).
Pages
232
Inrush current detection(ICD)
137
-OC blocked by ICD
49
-RP blocked by ICD
29
-RQ blocked by ICD
99
-SEF blocked by ICD
79
-Operation and characteristics
307
Motor protection (Motor)
310
-Locked motor
312
-Motor current / rated current
116
-Motor status
134
-Protection by OC
136
-Restart inhibit
135
-Stalled motor
135
-Start protection
130
-Thermal overload protection
270
Overcurrent protection (OC)
271
-Polarity
273
-Pick-up thresholds
275
-Time characteristics
227
Overvoltage protection (OV)
119
-Pick-up characteristic
49
-Time characteristic
99
Overvoltage protection in Phases (OVS)
109
-Pick-up characteristic
348
-Time characteristic
351
Overvoltage protection in Negative (OVN) 195
228
-Pick-up characteristic
40
-Time characteristic
43
Overcurrent protection in Negative (OCN)
41
-Polarity
48
-Pick-up thresholds
186
-Time characteristics
187
187
204
205
208
210
293
- 13 -
6F2T0207 (0.01)
Pages
127
29
348
351
78
128
317
332
318
319
28
337
330
326
327
15
16
27
20
166
167
167
176
177
177
196
196
90
90
98
92
Appendix: Ordering
GRE200 (5,6)
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