ABB RELION Series Technical Manual page 16

Table of contents
10
Monitored data..................................................................... 276
Technical data...................................................................... 277
Technical revision history..................................................... 278
Directional earth-fault protection (F)DEFxPDEF....................... 279
Identification......................................................................... 279
Function block...................................................................... 279
Functionality......................................................................... 279
Operation principle............................................................... 279
Directional earth-fault principles........................................... 285
Measurement modes............................................................291
Timer characteristics............................................................ 292
Directional earth-fault characteristics................................... 294
Application............................................................................302
Signals..................................................................................304
Settings................................................................................ 305
Monitored data..................................................................... 312
Technical data...................................................................... 314
Technical revision history..................................................... 315
Transient/intermittent earth-fault protection INTRPTEF............ 315
Identification......................................................................... 315
Function block...................................................................... 316
Functionality......................................................................... 316
Operation principle............................................................... 316
Application............................................................................321
Signals..................................................................................322
Settings................................................................................ 323
Monitored data..................................................................... 323
Technical data...................................................................... 324
Technical revision history..................................................... 324
Admittance-based earth-fault protection EFPADM....................324
Identification......................................................................... 324
Function block...................................................................... 325
Functionality......................................................................... 325
Operation principle............................................................... 326
Neutral admittance characteristics....................................... 339
Application............................................................................345
Signals..................................................................................350
Settings................................................................................ 351
Monitored data..................................................................... 352
Technical data...................................................................... 352
Harmonics-based earth-fault protection HAEFPTOC................353
Identification......................................................................... 353
Function block...................................................................... 353
REC615 and RER615
Technical Manual