大电力系统可靠性评估的灵敏度分析.pdf

29 卷 24 期 电 网 技 术 Vol. 29 No. 24 2005 年12 月 Power System Technology Dec 2005 文章编号：1000-3673 （2005 ）24-0025-06 中图分类号：TM732 ；TM711 文献标识码：A 学科代码：470 4054 大电力系统可靠性评估的灵敏度分析 1 1 1 2 渊 ，周念成 ，谢开贵 ，况 军 1．高电压与电工新技术教育部重点实验室（重庆大学），重庆市 沙坪坝区 400044； 2．重庆市电力公司 生产技术部，重庆市 渝中区 400014 ） Sensitivity Analysis on Reliability Assessment of Bulk Power System 1 1 1 2 ZHAO Yuan ，ZHOU Nian-cheng ，XIE Kai-gui ，KUANG Jun （1．Key Laboratory of High Voltage and Electrical New Technology （Chongqing University ），Ministry of Education，Shapingba District，Chongqing 400044 ，China ；2 ．Production and Technology Department ，Chongqing Electric Power Company，Yuzhong District，Chongqing 400014 ，China ） ABSTRACT: The sensitivity of bulk power system’s reliability 导出了电力不足期望对元件容量的灵敏度。最后通过对 indices can effectually reflect information about system IEEE-RTS79 测试系统的可靠性评估验证了上述灵敏度分析 reliability and power network structure, and by use of these 的有效性和正确性。 information the bottlenecks that suppress system reliability can 关键词：大电力系统；可靠性评估；灵敏度分析 be found, thereby important guiding opinions can be offered for the planning and operation of power system. The authors deduce 1 引言 a set of formulae to calculate the sensitivities of bulk power system’s reliability indices such as loss of load probability 电网的拓扑结构及系统元件的可靠性和电气 (LOLP