ABB RER620 - Page 14

Section 1MAC309294-MB F
8 RER620
Technical Manual
Function block ............................................................................ 244
Functionality ............................................................................... 244
Operation principle ..................................................................... 244
Signals ....................................................................................... 247
Settings ...................................................................................... 248
Monitored data ........................................................................... 248
Technical data............................................................................ 248
High impedance fault detector HIZ.................................................. 248
Identification ............................................................................... 248
Function block symbol................................................................ 249
Functionality ............................................................................... 249
Principle of operation ................................................................. 249
Application.................................................................................. 251
Signals ....................................................................................... 252
Settings ...................................................................................... 252
Monitored data ........................................................................... 252
Fault locator FLOC .......................................................................... 253
Identification ............................................................................... 253
Function block ............................................................................ 253
Functionality ............................................................................... 253
Operation principle ..................................................................... 253
Application.................................................................................. 257
Signals ....................................................................................... 258
Settings ...................................................................................... 258
Monitored data ........................................................................... 258
Directional positive sequence power protection 32P....................... 259
Identification ............................................................................... 259
Function block ............................................................................ 259
Functionality ............................................................................... 259
Operation principle ..................................................................... 259
Application.................................................................................. 261
Signals ....................................................................................... 262
Settings ...................................................................................... 262
Monitored data ........................................................................... 263
Technical data............................................................................ 263
Directional negative/zero sequence power protection 32N ............. 263
Identification ............................................................................... 263
Function block ............................................................................ 264
Functionality ............................................................................... 264
Operation principle ..................................................................... 264
Application.................................................................................. 270
Signals ....................................................................................... 270