2012•Proceedings of the Chinese Society of Universities for Electric Power System and its AutomationRequires access
Interval Analysis Method of Protection System Reliability
Fei Xiao
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Abstract
Considering the uncertainty of reliability data in the relay system,the interval numerical methods to amend the original data is proposed in this paper.At the same time,the paper analyzes various factors inducing protection failure and establishes a new model of reliability.Combining with the reliability of the proposed model,the interval assessment of the protection system is carried out.Because the interval-valued results include the uncertainty of risk factors,the results are more scientific and more practical.The final example of the proposed method is verified,which indicates the effectiveness of the method.