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作 者:臧天磊[1] 钟佳辰[2] 何正友[1] 钱清泉[1]
机构地区:[1]西南交通大学电气工程学院,四川省成都市610031 [2]华北电力大学电气与电子工程学院,北京市昌平区102206
出 处:《电网技术》2012年第5期251-257,共7页Power System Technology
基 金:国家自然科学基金项目(50877068);中央高校基本科研业务费专项资金资助项目(SWJTU11ZT07)~~
摘 要:为快速准确实现配电网故障恢复,提出了启发式规则与熵权理论相结合的两阶段配电网故障恢复算法。第1阶段,利用启发式规则生成故障恢复的候选方案集;第2阶段,考虑故障恢复的目标,引入负荷恢复量、负荷转移量、负荷容量裕度、负荷均衡率和开关操作次数5个评价指标,分别计算候选方案的各评价指标,利用熵权理论对方案进行评价,同时引入主客观权重对方案进行综合评价,得出优选和备选恢复方案。算例结果验证了该方法的有效性。To implement service restoration of distribution network fast and optimally, a two-stage service restoration algorithm for distribution network based on the combination of heuristic rules and entropy weight is proposed. In the first stage, by use of heuristic rules, a candidate service restoration scheme set is generated; in the second stage, considering the target of service restoration, five evaluation indices such as the quantities of restored load and transferred load, the margin of load capacity, rate of load balancing and switching times of circuit breakers are introduced in, then the evaluation indices ofcandidate schemes are calculated, and then these schemes are assessed by entropy weight, meanwhile, by means of introducing subjective and objective weights in, the schemes are synthetically assessed to achieve the preferred and alternative service restoration schemes. Calculation results of a distribution network with six feeders show that the proposed method is effective.
分 类 号:TM727[电气工程—电力系统及自动化]
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