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论文类型：期刊论文

发表时间：2014-01-01

发表刊物：MATHEMATICAL PROBLEMS IN ENGINEERING

收录刊物：SCIE、EI

卷号：2014

ISSN号：1024-123X

摘要：The stable operation and reliable breaking of large generator current are a difficult problem in power system. It can be solved successfully by the parallel interrupters and proper timing sequence with phase-control technology, in which the strategy of breaker's control is decided by the time of both the first-opening phase and second-opening phase. The precise transfer current's model can provide the proper timing sequence to break the generator circuit breaker. By analysis of the transfer current's experiments and data, the real vacuum arc resistance and precise correctional model in the large transfer current's process are obtained in this paper. The transfer time calculated by the correctional model of transfer current is very close to the actual transfer time. It can provide guidance for planning proper timing sequence and breaking the vacuum generator circuit breaker with the parallel interrupters.