ABB REG670 - Page 16

Low pass filtering..................................................................433
Calibration of analog inputs..................................................433
Technical data........................................................................... 435
Negativ sequence time overcurrent protection for machines
NS2PTOC ......................................................................................435
Identification.............................................................................. 435
Functionality.............................................................................. 435
Function block........................................................................... 436
Signals.......................................................................................437
Settings......................................................................................437
Monitored data...........................................................................438
Operation principle.................................................................... 438
Start sensitivity..................................................................... 440
Alarm function...................................................................... 441
Logic diagram.......................................................................441
Technical data........................................................................... 442
Accidental energizing protection for synchronous generator
AEGPVOC......................................................................................442
Identification.............................................................................. 442
Functionality ........................................................................ 443
Function block...................................................................... 443
Signals..................................................................................443
Settings................................................................................ 444
Monitored data..................................................................... 444
Operation principle............................................................... 444
Technical data...................................................................... 445
Voltage-restrained time overcurrent protection VRPVOC.............. 446
Identification.............................................................................. 446
Functionality.............................................................................. 446
Function block........................................................................... 447
Signals.......................................................................................447
Settings......................................................................................448
Monitored data...........................................................................449
Operation principle.................................................................... 449
Measured quantities............................................................. 449
Base quantities.....................................................................449
Overcurrent protection..........................................................449
Logic diagram.......................................................................451
Undervoltage protection....................................................... 451
Technical data........................................................................... 452
Generator stator overload protection, GSPTTR ............................ 453
Identification.............................................................................. 453
Functionality.............................................................................. 453
Function block........................................................................... 454
Table of contents
10
Technical manual