ABB RELION 670 Series Applications Manual page 12

Table of contents
9.1.2 Application......................................................................................................................................... 217
9.1.3 Setting guidelines.............................................................................................................................217
9.2 Overfrequency protection SAPTOF (81)........................................................................................... 218
9.2.1 Identification.....................................................................................................................................218
9.2.2 Application.........................................................................................................................................218
9.2.3 Setting guidelines............................................................................................................................ 219
9.3 Rate-of-change frequency protection SAPFRC (81).......................................................................219
9.3.1 Identification.....................................................................................................................................219
9.3.2 Application.........................................................................................................................................219
9.3.3 Setting guidelines............................................................................................................................220
Section 10 Multipurpose protection..................................................................................... 221
10.1 General current and voltage protection CVGAPC...........................................................................221
10.1.1 Identification..................................................................................................................................... 221
10.1.2 Application......................................................................................................................................... 221
10.1.2.1 Current and voltage selection for CVGAPC function............................................................. 222
10.1.2.2 Base quantities for CVGAPC function...................................................................................... 224
10.1.2.3 Application possibilities.............................................................................................................. 225
10.1.2.4 Inadvertent generator energization..........................................................................................225
10.1.3 Setting guidelines............................................................................................................................ 226
10.1.3.1 Directional negative sequence overcurrent protection........................................................ 226
10.1.3.2 Negative sequence overcurrent protection............................................................................ 228
10.1.3.3 Generator stator overload protection in accordance with IEC or ANSI standards......... 230
10.1.3.4 Open phase protection for transformer, lines or generators and circuit breaker
head flashover protection for generators............................................................................... 232
10.1.3.5 Voltage restrained overcurrent protection for generator and step-up transformer..... 232
10.1.3.6 Loss of excitation protection for a generator........................................................................ 233
Section 11 Secondary system supervision.......................................................................... 235
11.1 Fuse failure supervision FUFSPVC.................................................................................................... 235
11.1.1 Identification.....................................................................................................................................235
11.1.2 Application........................................................................................................................................ 235
11.1.3 Setting guidelines............................................................................................................................ 236
11.1.3.1 General............................................................................................................................................ 236
11.1.3.2 Setting of common parameters................................................................................................ 236
11.1.3.3 Negative sequence based........................................................................................................... 237
11.1.3.4 Zero sequence based................................................................................................................... 237
11.1.3.5 Delta V and delta I ........................................................................................................................238
11.1.3.6 Dead line detection...................................................................................................................... 238
11.2 Fuse failure supervision VDSPVC (60).............................................................................................. 239
11.2.1 Identification.................................................................................................................................... 239
11.2.2 Application........................................................................................................................................ 239
11.2.3 Setting guidelines............................................................................................................................240
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Application manual