Analysis of BP-2A breaker misoperating the 110 kV bus link circuit

Analysis of BP-2A breaker misoperating the 110 kV bus link circuit

Based on bus differential protection through the device BP-2A theory and practice at the scene, this paper analyses external bus fault caused the actual situation of bus link circuit breaker misoperation. The maloperation is closely related with primary equipment and secondary system logic. This pap...

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Veröffentlicht in:Dianli Xitong Baohu yu Kongzhi 2008-10, Vol.36 (20), p.75-77
1. Verfasser: Yi, Shu-Zhi
Format: Artikel
Sprache:chi
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Zusammenfassung:Based on bus differential protection through the device BP-2A theory and practice at the scene, this paper analyses external bus fault caused the actual situation of bus link circuit breaker misoperation. The maloperation is closely related with primary equipment and secondary system logic. This paper analyses and recommends device BP-2A bus differential protection theory. Simulation results indicate that the action's reliability has been improved.
ISSN:1674-3415