Bay Unit
177
7SS52 V4 Manual
C53000-G1176-C182-3
5.10 Bay Unit
5.10.1 Functional Description
For the functional description of feeder-specific parameters, please refer to the chap-
ters:
• Circuit Breaker Failure Protection (Chapter 5.3, page 114)
− Characteristics for the Circuit Breaker Failure Protection
(Chapter 5.3.1, page 114)
− Operating States "Bay Out of Service", "Maintenance Mode"
(Chapter 5.9.3, page 168)
− Triggering and Releasing the Breaker Failure Protection
(Chapter 5.3.5.1, page 117)
− Circuit Breaker Failure Protection during a Feeder Short-
Circuit (Chapter 5.3.5.2, page 119)
− Circuit Breaker Failure Protection for Busbar Faults (Chapter
5.3.5.3, page 126)
− Failure of the Bus Coupler Circuit Breaker (Chapter 5.3.5.4, page
127)
− Circuit Breaker Not Ready (Chapter 5.3.5.5, page 127)
• End Fault Protection (Chapter 5.4, page 135)
− End Fault Protection in the Feeder (Chapter 5.4.1, page 135)
− Protection with fault in the ”Dead Zone” of the Bus Coupler
(Chapter 5.4.2, page 137)
• Protection General (Chapter 5.9, page 167)
− Current-Controlled TRIP Reset (Chapter 5.9.1, page 167)
− Local Control of the Bay Unit (Chapter 5.9.2, page 167)
− Overcurrent-Controlled TRIP command (Chapter 5.9.4, page 169)
5.10.2 Setting Notes
Note
Parameters that are not stated here have already been described before.
For that, please refer to the corresponding cross-references e.g. as above, chapter
“Circuit Breaker Failure Protection“ (Chapter 5.3, page 114).
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