Imprecise reliability assessment of composite generation-transmission system considering interval probability

被引：0
|
作者：
Qi, Xianjun [1 ]
Wang, Xingqiang [1 ]
Huang, Xiangyu [1 ]
机构：
[1] School of Electrical and Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui Province
来源：
Dianwang Jishu/Power System Technology | 2014年 / 38卷 / 05期
关键词：
Composite generation-transmission system; Imprecise reliability; Interval analytic hierarchy process; Interval probability; Successive optimization;
D O I：
10.13335/j.1000-3673.pst.2014.05.012
中图分类号：
学科分类号：
摘要：
The probabilistic information of random variables to describe the reliability of equipments is incomplete while the statistical data of equipment invalidation is devoid, and traditional reliability assessment cannot cope with incomplete probabilistic information. Interval probability is an effective approach to cope with incomplete probabilistic information, and the width of interval reliability indices can incarnate the completion degree of probabilistic information. Based on expert experiences, the interval probability is achieved by an interval probability calculation model based on interval analytical hierarchy process, and an imprecise reliability assessment model containing interval probability for composite power generation-transmission system is established, and an efficient successive optimization algorithm is proposed to solve the upper and lower bounds of reliability indices, finally the effectiveness of the proposed approach is validated by analysis on examples.
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页码：1203 / 1209
页数：6
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