Line differential protection IED with echo synchronization (no GPS clock)
•
Both channels to have the same route with maximum asymmetry of 0.2–0.5 ms depending
on the set sensitivity of the line differential protection function
•
Fixed asymmetry can be compensated for by setting the
AsymDelay on the local HMI or via
PST
Line differential protection IED with GPS synchronization (GPS clock)
•
Independent of asymmetry
Section 6
1MRK 505 382-UEN E
Appendix
92
Communication set-up, 670/650 series
Application Guide
© Copyright 2017 ABB. All rights reserved
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 650 SERIES Communication set up 670 650 series Version 2 2 Application Guide...
Page 2: ......
Page 10: ...4...
Page 99: ...93...