Bay Unit - Siemens SIPROTEC 7SS523 V3.2 Manual

Functions
5.10

Bay Unit

5.10.1 Functional Description
5.10.2 Setting Notes
174
For the functional description of feeder-specific parameters, please refer to the chap-
ters:
• Circuit Breaker Failure Protection (Chapter 5.3, page 113)
− Characteristics for the Circuit Breaker Failure Protection (Chapter 5.3.1, page
113)
− Operating States "Bay Out of Service", "Maintenance Mode" (Chapter 5.9.3,
page 166)
− Triggering and Releasing the Breaker Failure Protection (Chapter 5.3.5.1, page
116)
− Circuit Breaker Failure Protection during a Feeder Short-Circuit (Chapter 5.3.5.2,
page 118)
− Circuit Breaker Failure Protection for Busbar Faults (Chapter 5.3.5.3, page 124)
− Failure of the Bus Coupler Circuit Breaker (Chapter 5.3.5.4, page 125)
− Circuit Breaker Not Ready (Chapter 5.3.5.5, page 125)
• End Fault Protection (Chapter 5.4, page 132)
− End Fault Protection in the Feeder (Chapter 5.4.1, page 132)
− Protection in the "Dead Zone" of the Bus Coupler (Chapter 5.4.2, page 134)
• Protection General (Chapter 5.9, page 165)
− Current-Controlled TRIP Reset (Chapter 5.9.1, page 165)
− Local Control of the Bay Unit (Chapter 5.9.2, page 165)
− Overcurrent-Controlled TRIP command (Chapter 5.9.4, page 167)
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 113).
7SS52 V4 Manual
C53000-G1176-C182-1