Function Block - ABB REL650 series Technical Manual

Line distance protection

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1MRK 506 335-UUS A

Technical manual

Function block

CSPRBRF (50BF)

ANSI10000217-1-en.vsd

ANSI10000217 V1 EN

CSPRBRF (50BF) function block

CSPRBRF (50BF) Input signals

CSPRBRF (50BF) Output signals

Three phase group signal for current inputs

Block of function

Common pick up signal for all phases

Phase A breaker failure initiation

Phase B breaker failure initiation

Phase C breaker failure initiation

Circuit breaker closed in phase A

Circuit breaker closed in phase B

Circuit breaker closed in phase C

Back-up trip

Retrip of phase A

Retrip of phase B

Retrip of phase C

Current protection

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