ABB RELION REX640 Technical Manual page 22

Table of contents
16
Operation principle............................................................... 388
Application............................................................................396
Signals..................................................................................400
Settings................................................................................ 401
Monitored data..................................................................... 402
Technical data...................................................................... 402
Earth-fault protection...................................................................... 403
Non-directional earth-fault protection EFxPTOC....................... 403
Identification......................................................................... 403
Function block...................................................................... 403
Functionality......................................................................... 403
Analog channel configuration............................................... 403
Operation principle............................................................... 404
Measurement modes............................................................406
Timer characteristics............................................................ 406
Application............................................................................408
Signals..................................................................................408
Settings................................................................................ 409
Monitored data..................................................................... 412
Technical data...................................................................... 412
Directional earth-fault protection DEFxPDEF............................ 413
Identification......................................................................... 413
Function block...................................................................... 413
Functionality......................................................................... 414
Analog channel configuration............................................... 414
Operation principle............................................................... 415
Directional earth-fault principles .......................................... 420
Measurement modes............................................................426
Timer characteristics............................................................ 427
Directional earth-fault characteristics................................... 428
Application............................................................................436
Signals..................................................................................438
Settings................................................................................ 439
Monitored data..................................................................... 443
Technical data...................................................................... 444
Transient/intermittent earth-fault protection INTRPTEF............ 444
Identification......................................................................... 444
Function block...................................................................... 445
Functionality......................................................................... 445
Analog channel configuration............................................... 445
Operation principle............................................................... 446
Application............................................................................450
Signals..................................................................................451
REX640
Technical Manual