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中压配电系统可靠性评估
引用本文:谢开贵,尹春元.中压配电系统可靠性评估[J].重庆大学学报(自然科学版),2002,25(1):52-56,69.
作者姓名:谢开贵  尹春元
作者单位:[1]重庆大学电气工程学院电力系统研究所,重庆400044 [2]中国长江三峡工程开发总公司筹建处,宜昌443133
摘    要:提出一种中压配电系统可靠性评估算法。该算法利用前向搜索法确定断路器动作影响范围,用双向搜索法确定故障范围,用后向搜索法确珲切换开关的有无,从而确定节点的故障类型。根据节点的类型,可以很容易地计算出节点,馈线和系统的可靠性指标,提高了计算效率,文中还给出电压和线距越限的负荷削减算法,这为计及潮流约束的可靠性计算奠定了基础,以RBTS68节点网络,RBTS37节点网络和大量实际运行网络验证了该方法的有效性和实用性。

关 键 词:中压配网  可靠性评估  搜索算法  负荷消减  配电系统
文章编号:1000-582X(2002)01-0052-05

Reliability Evaluation of Middle Voltage Distribution Networks
XIE Kai gui,YIN Chun yuan,ZHOU Jia qi.Reliability Evaluation of Middle Voltage Distribution Networks[J].Journal of Chongqing University(Natural Science Edition),2002,25(1):52-56,69.
Authors:XIE Kai gui  YIN Chun yuan  ZHOU Jia qi
Institution:XIE Kai gui 1,YIN Chun yuan 2,ZHOU Jia qi 1
Abstract:A reliability evaluation algorithm for middle voltage radial distribution network is presented. The algorithm applied ahead-searching-method to determining the area of breaker influencing, applied bidirectional-searching-method to determining faulting area, and applied behind-searching-method to determining connection switch. Then the type of nodes is determined. The reliability index of nodes,feerders and system can be easily computed by the type of nodes.So the computing effeciency is improved. At the same time, the curtailing load algorithms for low-voltage of buses and over-capacity of lines are presented and the foundation for the reliability assessment is established considering the power flow restriction. From the RBTS68-bus and other middle radial distribution networks,the effectiveness and availability of the method are verified.
Keywords:middle voltage distribution networks  reliability evaluation  searching algorithm  load curtailing
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