ABB REB670 Applications Manual page 13

Busbar protection REB670 2.2 ANSI
Application manual
Generator stator overload protection in accordance with IEC
or ANSI standards...................................................................... 278
Open phase protection for transformer, lines or generators
and circuit breaker head flashover protection for generators..... 280
Voltage restrained overcurrent protection for generator and
step-up transformer.................................................................... 281
Loss of excitation protection for a generator.............................. 281
Section 11 Secondary system supervision..........................................285
Fuse failure supervision FUFSPVC...................................................... 285
Identification.................................................................................... 285
Application....................................................................................... 285
Setting guidelines............................................................................ 286
General.......................................................................................286
Setting of common parameters.................................................. 286
Negative sequence based.......................................................... 287
Zero sequence based.................................................................288
Delta V and delta I ..................................................................... 289
Dead line detection.....................................................................289
Fuse failure supervision VDSPVC (60).................................................289
Identification.................................................................................... 290
Application....................................................................................... 290
Setting guidelines............................................................................ 291
Section 12 Control...............................................................................293
Synchronism check, energizing check, and synchronizing
SESRSYN (25)..................................................................................... 293
Identification.................................................................................... 293
Application....................................................................................... 293
Synchronizing............................................................................. 293
Synchronism check.................................................................... 295
Energizing check........................................................................ 297
Voltage selection........................................................................ 298
External fuse failure....................................................................299
Application examples.......................................................................300
Single circuit breaker with single busbar.................................... 301
Single circuit breaker with double busbar, external voltage
selection..................................................................................... 302
Single circuit breaker with double busbar, internal voltage
selection..................................................................................... 303
Double circuit breaker.................................................................304
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