Breaker Failure Protection - ABB REG316 4 Series Operating Instructions Manual

REG 316*4 1MRB520049-Uen / Rev. F
3.5.28. Breaker failure protection (BreakerFailure)
A. Application
· Redundant tripping schemes (RED
· Repeated tripping attempts (BFP
· Backup tripping (BFP)
· End fault protection (EFP
· Unconditional tripping (UT
· External trip initiation.
B. Features
· insensitive to DC component
· insensitive to harmonics
· single or three-phase operation
· blocking
· two independent timers (t1, t2)
· transfer tripping
· provision for disabling features (RED, BFP, EFP, UT)
· unique ID for each binary input and output.
C. Inputs and outputs
I. C.t./v.t. inputs
· current.
II. Binary inputs
· 13205 Block BFP
· 13710 Start L1
· 13720 Start L2
· 13730 Start L3
· 13740 Start L1L2L3
· 13705 External start
· 13770 CB Off
· 13775 CB On
· 13780 Ext. trip t2
· 13785 Ext. trip EFP
1)
Redundant
2)

Breaker failure protection

3)
End fault protection
4)
Unconditional trip
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