基于图论及网络等值的配电网可靠性评估方法*

徐敬友, 丁坚勇, 杨东俊, 肖彦娟, 杨洁, 涂智福

Distribution Network Reliability Evaluation Method Based on Graph Theory and Network Equivalence

XU Jingyou, DING Jianyong, YANG Dongjun, XIAO Yanjuan, YANG Jie, TU Zhifu

表1 元件串并联可靠性指标等效合并

逻辑关系 等效失效率λ/ (次/年) 等效修复率μ/ (次/年) 等效不可用率 (%) 串联 $\sum\limits_{i = {\text{1}}}^m {{\lambda _i}}$ ${{\sum\limits_{i = {\rm{1}}}^m {{\lambda _i}} } \mathord{\left/ {\vphantom {{\sum\limits_{i = {\rm{1}}}^m {{\lambda _i}} } {\sum\limits_{i = {\rm{1}}}^m {\frac{{{\lambda _i}}}{{{\mu _i}}}} }}} \right. \kern-\nulldelimiterspace} {\sum\limits_{i = {\rm{1}}}^m {\frac{{{\lambda _i}}}{{{\mu _i}}}} }}$ $\sum\limits_{i = {\text{1}}}^m {{\lambda _i}} {r_i}$ 并联 ${{\prod\limits_{i = 1}^m {{\lambda _i}} } \mathord{\left/ {\vphantom {{\prod\limits_{i = 1}^m {{\lambda _i}} } {\sum\limits_{i = {\rm{1}}}^m {\frac{1}{{{\mu _i}}}} }}} \right. \kern-\nulldelimiterspace} {\sum\limits_{i = {\rm{1}}}^m {\frac{1}{{{\mu _i}}}} }}$ $\sum\limits_{i = {\text{1}}}^m {{\mu _i}}$ $\prod\limits_{i = 1}^m {{\lambda _i}{r_i}}$