ABB 615 series Technical Manual page 18

Table of contents
12
Technical data............................................................................ 359
Technical revision history........................................................... 360
Transient/intermittent ground-fault protection 67NIEF.....................360
Identification............................................................................... 360
Function block............................................................................ 361
Functionality............................................................................... 361
Operation principle..................................................................... 361
Application.................................................................................. 366
Signals........................................................................................368
Settings.......................................................................................368
Monitored data............................................................................369
Technical data............................................................................ 369
Technical revision history........................................................... 370
Admittance-based ground-fault protection 21YN.............................370
Identification............................................................................... 370
Function block............................................................................ 370
Functionality............................................................................... 371
Operation principle..................................................................... 371
Neutral admittance characteristics............................................. 386
Application.................................................................................. 393
Signals........................................................................................398
Settings.......................................................................................399
Monitored data............................................................................400
Technical data............................................................................ 400
Technical revision history........................................................... 401
Harmonics-based ground-fault protection 51NHA........................... 401
Identification............................................................................... 401
Function block............................................................................ 401
Functionality............................................................................... 401
Operation principle..................................................................... 402
Application.................................................................................. 405
Signals........................................................................................406
Settings.......................................................................................407
Monitored data............................................................................408
Technical data............................................................................ 408
Technical revision history........................................................... 409
Wattmetric-based ground-fault protection 32N................................ 409
Identification............................................................................... 409
Function block............................................................................ 409
Functionality............................................................................... 409
615 series ANSI
Technical Manual