NDLI: Modelling of high voltage SF6 circuit breaker reliability based on Bayesian statistics

Content Provider	IEEE Xplore Digital Library
Author	Muratovic, M. Sokolija, K. Kapetanovic, M.
Copyright Year	2013
Description	Author affiliation: Fac. of Electr. Eng. Sarajevo, Univ. of Sarajevo, Sarajevo, Bosnia-Herzegovina (Muratovic, M.; Sokolija, K.; Kapetanovic, M.)
Abstract	The biggest drawback in modelling the reliability of high voltage circuit breakers is the lack of access to data on failures in service, due to the very long lifetime of circuit breakers. This paper presents the application of reliability calculation based on Bayesian statistics to a 245 kV SF6 circuit breaker and its operating mechanism. By using the Bayesian theorem, the prior probability density function of failures in circuit breaker components, which is calculated based on data on the circuit breaker and the operating mechanism failures in service, is combined with data on the failures registered during an extensive mechanical development tests. During the tests more than 32000 "CO" (close-open) operations were performed. Based on the posterior probability density function, the reliability of circuit breaker components and the overall reliability of the breaker is estimated. The paper also presents some analysis of the impact of circuit breaker maintenance on its reliability.
Starting Page	303
Ending Page	308
File Size	632017
Page Count	6
File Format	PDF
ISBN	9781479907229
e-ISBN	9781479907243
DOI	10.1109/IEEEGCC.2013.6705794
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-17
Publisher Place	Qatar
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit breakers Bayesian statistics Reliability calculation High voltage circuit breakers Probability density function Gaussian distribution Circuit breaker maintenance Bayes methods Integrated circuit reliability Springs
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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