ABB RET670 Applications Manual page 12

Table of contents
6
Application..................................................................................401
Setting guidelines.......................................................................403
Setting parameters.....................................................................413
Instantaneous residual overcurrent protection EFPIOC (50N)........418
Application..................................................................................419
Setting guidelines.......................................................................419
Setting parameters.....................................................................422
Four step residual overcurrent protection, zero, negative
sequence direction EF4PTOC (51N/67N).......................................422
Application..................................................................................422
Setting guidelines.......................................................................424
Setting parameters.....................................................................435
Four step directional negative phase sequence overcurrent
protection NS4PTOC (46I2)............................................................440
Application..................................................................................440
Setting guidelines.......................................................................442
Setting parameters.....................................................................446
Sensitive directional residual overcurrent and power protection
SDEPSDE (67N)..............................................................................451
Application..................................................................................451
Setting guidelines.......................................................................453
Setting parameters.....................................................................463
Thermal overload protection, two time constants TRPTTR (49).....465
Application..................................................................................465
Setting guideline.........................................................................466
Setting parameters.....................................................................469
Breaker failure protection CCRBRF (50BF)....................................470
Application..................................................................................470
Setting guidelines.......................................................................470
Setting parameters.....................................................................474
Pole discrepancy protection CCRPLD (52PD)................................474
Application..................................................................................475
Setting guidelines.......................................................................475
Setting parameters.....................................................................476
Directional underpower protection GUPPDUP (37).........................477
Application..................................................................................477
Setting guidelines.......................................................................479
Setting parameters.....................................................................483
Directional overpower protection GOPPDOP (32)..........................484
Application..................................................................................485
Application manual