ABB 615 series Technical Manual page 15

615 series ANSI
Technical Manual
Monitored data............................................................................229
Technical data............................................................................ 230
Technical revision history........................................................... 231
Three-phase directional overcurrent protection 67/51P, 67/50P..... 231
Identification............................................................................... 231
Function block............................................................................ 232
Functionality............................................................................... 232
Operation principle .................................................................... 232
Measurement modes..................................................................238
Directional overcurrent characteristics ...................................... 238
Application.................................................................................. 247
Signals........................................................................................250
Settings.......................................................................................251
Monitored data............................................................................255
Technical data............................................................................ 257
Technical revision history........................................................... 257
Three-phase voltage-dependent overcurrent protection 51V.......... 258
Identification............................................................................... 258
Function block............................................................................ 258
Functionality............................................................................... 258
Operation principle..................................................................... 259
Application.................................................................................. 264
Signals........................................................................................265
Settings.......................................................................................266
Monitored data............................................................................267
Technical data............................................................................ 268
Three-phase thermal protection for feeders, cables and
distribution transformers 49F...........................................................268
Identification............................................................................... 268
Function block............................................................................ 269
Functionality............................................................................... 269
Operation principle..................................................................... 269
Application.................................................................................. 272
Signals........................................................................................273
Settings.......................................................................................274
Monitored data............................................................................274
Technical data............................................................................ 275
Technical revision history........................................................... 275
Three-phase thermal overload protection, two time constants 49T.275
Identification............................................................................... 275
Table of contents
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