ABB REG670 Technical Manual page 13

Technical manual
Under voltage seal-in........................................................... 331
Technical data........................................................................... 332
Section 8 Current protection.........................................................333
Instantaneous phase overcurrent protection 3-phase output
PHPIOC .........................................................................................333
Identification.............................................................................. 333
Functionality.............................................................................. 333
Function block........................................................................... 333
Signals.......................................................................................333
Settings......................................................................................334
Monitored data...........................................................................334
Operation principle.................................................................... 334
Technical data........................................................................... 335
Four step phase overcurrent protection 3-phase output
OC4PTOC ..................................................................................... 335
Identification.............................................................................. 336
Functionality.............................................................................. 336
Function block........................................................................... 337
Signals.......................................................................................337
Settings......................................................................................339
Monitored data...........................................................................344
Operation principle.................................................................... 345
Second harmonic blocking element...........................................349
Technical data........................................................................... 350
Instantaneous residual overcurrent protection EFPIOC ................ 351
Identification.............................................................................. 351
Functionality.............................................................................. 351
Function block........................................................................... 351
Signals.......................................................................................351
Settings......................................................................................352
Monitored data...........................................................................352
Operation principle.................................................................... 352
Technical data........................................................................... 353
Four step residual overcurrent protection, (Zero sequence or
negative sequence directionality) EF4PTOC .................................353
Identification.............................................................................. 353
Functionality.............................................................................. 354
Function block........................................................................... 354
Signals.......................................................................................354
Settings......................................................................................356
Monitored data...........................................................................361
Operation principle.................................................................... 362
Operating quantity within the function.................................. 362
Table of contents
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