ABB REG670 - Page 17

Signals.......................................................................................454
Settings......................................................................................454
Monitored data...........................................................................455
Operation principle.................................................................... 455
Technical data........................................................................... 463
Generator rotor overload protection, GRPTTR ..............................463
Identification.............................................................................. 463
Functionality.............................................................................. 463
Function block........................................................................... 464
Signals.......................................................................................464
Settings......................................................................................465
Monitored data...........................................................................466
Operation principle.................................................................... 466
Technical data........................................................................... 475
Section 9 Voltage protection........................................................ 477
Two step undervoltage protection UV2PTUV ................................477
Identification.............................................................................. 477
Functionality.............................................................................. 477
Function block........................................................................... 478
Signals.......................................................................................478
Settings......................................................................................479
Monitored data...........................................................................481
Operation principle.................................................................... 481
Measurement principle......................................................... 482
Time delay............................................................................482
Blocking................................................................................488
Design.................................................................................. 489
Technical data........................................................................... 491
Two step overvoltage protection OV2PTOV ..................................491
Identification.............................................................................. 491
Functionality.............................................................................. 492
Function block........................................................................... 492
Signals.......................................................................................492
Settings......................................................................................493
Monitored data...........................................................................495
Operation principle.................................................................... 495
Measurement principle......................................................... 496
Time delay............................................................................496
Blocking................................................................................502
Design.................................................................................. 502
Technical data........................................................................... 504
Two step residual overvoltage protection ROV2PTOV ................. 505
Identification.............................................................................. 505
Table of contents
11
Technical manual