End Fault Protection; Mode Of Operation - ABB RELION REB500 Operation Manual

1MRK 505 400-UEN B
IEC18000460 V1 EN-US
Figure 16: Settings/Time-overcurrent protection - Details
6.4

End fault protection

6.4.1

Mode of operation

The end fault protection detects faults between an open circuit-breaker and the CT, which
cannot be cleared by the busbar protection on its own.
Distributed busbar protection REB500
Technical manual
© Copyright 2019 ABB. All rights reserved
Additional protection options
12000181-IEC18000460-1-en.vsdx
GUID-6B574A13-42D5-497A-A1F8-EC18E9BFF574 v2
Section 6
49