ABB RELION 620 Series Technical Manual page 23

620 series
Technical Manual
Monitored data..................................................................... 640
Technical data...................................................................... 641
Three-phase undervoltage protection PHPTUV........................ 641
Identification......................................................................... 641
Function block...................................................................... 641
Functionality......................................................................... 641
Operation principle............................................................... 642
Timer characteristics............................................................ 646
Application............................................................................646
Signals..................................................................................647
Settings................................................................................ 647
Monitored data..................................................................... 649
Technical data...................................................................... 649
Technical revision history..................................................... 649
Single-phase undervoltage protection PHAPTUV..................... 650
Identification......................................................................... 650
Function block...................................................................... 650
Functionality......................................................................... 650
Operation principle............................................................... 650
Timer characteristics............................................................ 654
Application............................................................................654
Signals..................................................................................655
Settings................................................................................ 655
Monitored data..................................................................... 656
Technical data...................................................................... 657
Residual overvoltage protection ROVPTOV..............................657
Identification......................................................................... 657
Function block...................................................................... 657
Functionality......................................................................... 657
Operation principle............................................................... 658
Application............................................................................659
Signals..................................................................................660
Settings................................................................................ 660
Monitored data..................................................................... 661
Technical data...................................................................... 661
Technical revision history..................................................... 661
Negative-sequence overvoltage protection NSPTOV............... 662
Identification......................................................................... 662
Function block...................................................................... 662
Functionality......................................................................... 662
Operation principle............................................................... 662
Application............................................................................663
Signals..................................................................................664
Table of contents
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