Single busbar connection fault tripping
For an internal fault, the busbar protection must identify the faulted bus segment, and trip the circuit breakers attached to that bus segment. Busbar protection (BBP): Protection intended to detect and operate to clear faults on a busbar. This paper discusses the investigation of the tripping of a 400 kV substation due to improper operation of a bus-bar protection scheme. A single busbar fault can cause massive, simultaneous power outages across a large area.
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