Section 13 Secondary system supervision..........................................293
Current circuit supervision (87).............................................................
293
Identification.................................................................................... 293
Application....................................................................................... 293
Setting guidelines............................................................................ 294
Fuse failure supervision FUFSPVC...................................................... 294
Identification.................................................................................... 294
Application....................................................................................... 294
Setting guidelines............................................................................ 295
General.......................................................................................295
Setting of common parameters.................................................. 296
Negative sequence based.......................................................... 296
Zero sequence based.................................................................297
Delta V and delta I ..................................................................... 298
Dead line detection.....................................................................298
Fuse failure supervision VDSPVC (60).................................................299
Identification.................................................................................... 299
Application....................................................................................... 299
Setting guidelines............................................................................ 300
Section 14 Control...............................................................................303
Synchronism check, energizing check, and synchronizing
SESRSYN (25)..................................................................................... 303
Identification.................................................................................... 303
Application....................................................................................... 303
Synchronizing............................................................................. 303
Synchronism check.................................................................... 305
Energizing check........................................................................ 307
Voltage selection........................................................................ 308
External fuse failure....................................................................309
Application examples.......................................................................310
Single circuit breaker with single busbar.................................... 311
Single circuit breaker with double busbar, external voltage
selection..................................................................................... 312
Single circuit breaker with double busbar, internal voltage
selection..................................................................................... 313
Double circuit breaker.................................................................314
Breaker-and-a-half......................................................................315
Setting guidelines............................................................................ 318
Table of contents
8 Bay control REC670 2.2 ANSI
Application manual