ABB REL650 - Page 14

Section 9 Frequency protection.........................................................269
Underfrequency protection SAPTUF (81).............................................269
Identification.................................................................................... 269
Application....................................................................................... 269
Setting guidelines............................................................................ 270
Overfrequency protection SAPTOF (81)...............................................270
Identification.................................................................................... 271
Application....................................................................................... 271
Setting guidelines............................................................................ 271
Rate-of-change frequency protection SAPFRC (81)............................ 272
Identification.................................................................................... 272
Application....................................................................................... 272
Setting guidelines............................................................................ 273
Section 10 Secondary system supervision..........................................275
Current circuit supervision CCSRDIF (87)............................................275
Identification.................................................................................... 275
Application....................................................................................... 275
Setting guidelines............................................................................ 276
Fuse failure supervision SDDRFUF......................................................276
Identification.................................................................................... 276
Application....................................................................................... 276
Setting guidelines............................................................................ 277
General.......................................................................................277
Setting of common parameters.................................................. 277
Negative sequence based.......................................................... 278
Zero sequence based.................................................................279
Delta V and delta I ..................................................................... 280
Dead line detection.....................................................................280
Breaker close/trip circuit monitoring TCSSCBR................................... 281
Identification.................................................................................... 281
Application....................................................................................... 281
Section 11 Control...............................................................................287
Synchronism check, energizing check, and synchronizing
SESRSYN (25)..................................................................................... 287
Identification.................................................................................... 287
Application....................................................................................... 287
Synchronizing............................................................................. 287
Synchronism check.................................................................... 288
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Application manual