ABB RELION REX640 Technical Manual page 26

Table of contents
20
Functionality......................................................................... 672
Analog channel configuration............................................... 673
Operation principle............................................................... 673
Application............................................................................674
The measuring configuration................................................677
Recommendations for current transformers ........................677
Setting examples..................................................................682
Signals..................................................................................685
Settings................................................................................ 686
Monitored data..................................................................... 686
Technical data...................................................................... 687
High-impedance differential protection HIxPDIF....................... 687
Identification......................................................................... 687
Function block...................................................................... 687
Functionality......................................................................... 687
Analog channel configuration............................................... 688
Operation principle............................................................... 688
Application............................................................................690
Example calculations for busbar high-impedance
differential protection............................................................ 696
Signals..................................................................................699
Settings................................................................................ 700
Monitored data..................................................................... 701
Technical data...................................................................... 702
Stabilized and instantaneous differential protection for
machines MPDIF....................................................................... 703
Identification......................................................................... 703
Function block...................................................................... 703
Functionality......................................................................... 703
Analog channel configuration............................................... 703
Operation principle............................................................... 704
Application............................................................................709
Signals..................................................................................718
Settings................................................................................ 718
Monitored data..................................................................... 719
Technical data...................................................................... 720
High-impedance or flux-balance based differential protection
MHZPDIF...................................................................................721
Identification......................................................................... 721
Function block...................................................................... 721
Functionality......................................................................... 721
Analog channel configuration............................................... 721
Operation principle............................................................... 722
Application............................................................................722
REX640
Technical Manual