Section 10 Multipurpose protection............................................................................... 199
10.1 General current and voltage protection CVGAPC....................................................................199
10.1.1 Identification.............................................................................................................................. 199
10.1.2 Application..................................................................................................................................199
10.1.2.1 Current and voltage selection for CVGAPC function......................................................200
10.1.2.2 Base quantities for CVGAPC function................................................................................202
10.1.2.3 Application possibilities....................................................................................................... 202
10.1.2.4 Inadvertent generator energization...................................................................................203
10.1.3 Setting guidelines.....................................................................................................................204
10.1.3.1 Directional negative sequence overcurrent protection................................................. 204
10.1.3.2 Negative sequence overcurrent protection..................................................................... 205
10.1.3.3 Generator stator overload protection in accordance with IEC or ANSI standards.. 207
10.1.3.4 Open phase protection for transformer, lines or generators and circuit
breaker head flashover protection for generators......................................................... 209
10.1.3.5 Voltage restrained overcurrent protection for generator and step-up
transformer............................................................................................................................. 210
10.1.3.6 Loss of excitation protection for a generator..................................................................210
Section 11 System protection and control..................................................................... 213
11.1 Multipurpose filter SMAIHPAC.....................................................................................................213
11.1.1 Identification.............................................................................................................................. 213
11.1.2 Application.................................................................................................................................. 213
11.1.3 Setting guidelines......................................................................................................................214
11.1.3.1 Setting example......................................................................................................................214
Section 12 Secondary system supervision......................................................................217
12.1 Current circuit supervision CCSSPVC.........................................................................................217
12.1.1 Identification.............................................................................................................................. 217
12.1.2 Application.................................................................................................................................. 217
12.1.3 Setting guidelines...................................................................................................................... 217
12.2 Fuse failure supervision FUFSPVC.............................................................................................. 218
12.2.1 Identification.............................................................................................................................. 218
12.2.2 Application.................................................................................................................................. 218
12.2.3 Setting guidelines......................................................................................................................219
12.2.3.1 General......................................................................................................................................219
12.2.3.2 Setting of common parameters..........................................................................................219
12.2.3.3 Negative sequence based.....................................................................................................219
12.2.3.4 Zero sequence based............................................................................................................ 220
12.2.3.5 Delta U and delta I ................................................................................................................. 221
12.2.3.6 Dead line detection................................................................................................................ 221
12.3 Fuse failure supervision VDSPVC................................................................................................ 221
12.3.1 Identification.............................................................................................................................. 221
12.3.2 Application.................................................................................................................................. 221
12.3.3 Setting guidelines......................................................................................................................222
Section 13 Control............................................................................................................. 225
13.1 Synchrocheck, energizing check, and synchronizing SESRSYN............................................225
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