ABB RELION 620 Series Technical Manual page 22

Table of contents
16
Functionality......................................................................... 613
Operation principle............................................................... 613
Application............................................................................614
Signals..................................................................................615
Settings................................................................................ 615
Monitored data..................................................................... 615
Technical data...................................................................... 616
Technical revision history..................................................... 616
Negative-sequence overcurrent protection for machines
MNSPTOC.................................................................................616
Identification......................................................................... 616
Function block...................................................................... 616
Functionality......................................................................... 617
Operation principle............................................................... 617
Timer characteristics............................................................ 618
Application............................................................................623
Signals..................................................................................623
Settings................................................................................ 624
Monitored data..................................................................... 625
Technical data...................................................................... 625
Technical revision history..................................................... 625
Voltage protection...........................................................................626
Three-phase overvoltage protection PHPTOV.......................... 626
Identification......................................................................... 626
Function block...................................................................... 626
Functionality......................................................................... 626
Operation principle............................................................... 626
Timer characteristics............................................................ 630
Application............................................................................630
Signals..................................................................................631
Settings................................................................................ 632
Monitored data..................................................................... 633
Technical data...................................................................... 633
Technical revision history..................................................... 634
Single-phase overvoltage protection PHAPTOV....................... 634
Identification......................................................................... 634
Function block...................................................................... 634
Functionality......................................................................... 634
Operation principle............................................................... 634
Timer characteristics............................................................ 638
Application............................................................................638
Signals..................................................................................639
Settings................................................................................ 639
620 series
Technical Manual