Transmission system reliability evaluation based on one direction S-rough set theory

被引：0
|
作者：
Yang X. [1 ]
Wang Y. [1 ]
Wang M. [1 ,2 ]
机构：
[1] Institute of Water Resources and Hydro-electric Engineering, Xi'an University of Technology, Xi'an
[2] Guodian Nanjing Automation Go. Ltd., Nanjing
来源：
| 1600年 / Electric Power Automation Equipment Press卷 / 36期
基金：
中国国家自然科学基金;
关键词：
F-decomposing law; Line failure rate; One direction S-rough set; Reliability evaluation; Weather factors;
D O I：
10.16081/j.issn.1006-6047.2016.12.009
中图分类号：
学科分类号：
摘要：
A method of transmission system reliability evaluation based on the one direction S-rough law and F-decomposing law is proposed to study the effects of complex weather on the reliability of transmission system. The one direction S-rough law is applied to deal with the uncertainty of failure rate and weather. A transmission line reliability model based on complex weather factors is established and the non-sequential Monte Carlo method is applied to evaluate the system reliability. F-decomposing law is applied to develop the interference indices and the effects of different weather combinations on them are analyzed. Analysis for IEEE 30-bus power generation and transmission system shows that, the component reliability parameter model with the consideration of weather factors predicts the transmission line failure rate accurately and the proposed reliability evaluation method based on the objective data (yearly days of different weather conditions) is immune to the influence of human subjective factors, which reveals the influencing law of weather factors on the system reliability and makes the evaluation results more objective. © 2016, Electric Power Automation Equipment Press. All right reserved.
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页码：57 / 62
页数：5
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