ABB REB670 Series - Page 12

10.1.3.1 Directional negative sequence overcurrent protection................................................. 230
10.1.3.2 Negative sequence overcurrent protection...................................................................... 231
10.1.3.3 Generator stator overload protection in accordance with IEC or ANSI standards...233
10.1.3.4 Open phase protection for transformer, lines or generators and circuit
breaker head flashover protection for generators......................................................... 235
10.1.3.5 Voltage restrained overcurrent protection for generator and step-up
transformer............................................................................................................................. 235
10.1.3.6 Loss of excitation protection for a generator................................................................. 236
Section 11 Secondary system supervision..................................................................... 239
11.1 Fuse failure supervision FUFSPVC..............................................................................................239
11.1.1 Identification..............................................................................................................................239
11.1.2 Application..................................................................................................................................239
11.1.3 Setting guidelines..................................................................................................................... 240
11.1.3.1 General..................................................................................................................................... 240
11.1.3.2 Setting of common parameters......................................................................................... 240
11.1.3.3 Negative sequence based.................................................................................................... 240
11.1.3.4 Zero sequence based.............................................................................................................241
11.1.3.5 Delta U and delta I .................................................................................................................242
11.1.3.6 Dead line detection................................................................................................................242
11.2 Fuse failure supervision VDSPVC................................................................................................242
11.2.1 Identification..............................................................................................................................242
11.2.2 Application..................................................................................................................................242
11.2.3 Setting guidelines..................................................................................................................... 243
11.3 Voltage based delta supervision DELVSPVC............................................................................244
11.3.1 Identification..............................................................................................................................244
11.3.2 Application................................................................................................................................. 244
11.3.3 Setting guidelines..................................................................................................................... 246
11.4 Current based delta supervision DELISPVC............................................................................. 246
11.4.1 Identification..............................................................................................................................246
11.4.2 Application..................................................................................................................................247
11.4.3 Setting guidelines..................................................................................................................... 247
11.5 Delta supervision of real input DELSPVC..................................................................................248
11.5.1 Identification..............................................................................................................................248
11.5.2 Application..................................................................................................................................248
11.5.3 Setting guidelines..................................................................................................................... 248
Section 12 Control............................................................................................................. 249
12.1 Synchrocheck, energizing check, and synchronizing SESRSYN............................................249
12.1.1 Identification..............................................................................................................................249
12.1.2 Application..................................................................................................................................249
12.1.2.1 Synchronizing......................................................................................................................... 249
12.1.2.2 Synchrocheck..........................................................................................................................250
12.1.2.3 Energizing check.....................................................................................................................252
12.1.2.4 Voltage selection....................................................................................................................253
12.1.2.5 External fuse failure...............................................................................................................253
12.1.3 Application examples............................................................................................................... 254
Table of contents
6 Busbar protection REB670
Application manual