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논문 기본 정보

자료유형
학술저널
저자정보
정종만 (한국전력공사) 박용우 (한국전력공사)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제62권 제6호
발행연도
2013.6
수록면
870 - 875 (6page)

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초록· 키워드

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After introducing diagnosis equipment power failure prevention activities for distribution system have become more active. To do facility diagnosis and maintenance work more efficiently we need to evaluate reliability for the system and should determine the priority line with appropriate criteria. Thus, to calculate risk factor for the power distribution line that are composed of many component facilities its historical failure events for the last 5 years are collected and analysed. The failure statics show that more than 60% of various failures are related to environment factors randomly and about 20% of the failures are refer to the aging. As a strategic evaluation system reflecting these environmental influence is needed, a system on the basis of the probabilistic approach related statical variables in terms of failure rate and failure probability of electrical components is proposed. The figures for the evaluation are derived from the field failure DB. With adopting Bayesian rule we can calculate easily about conditional probability query. The proposed evaluation system is demonstrated with model system and the calculated indices representing the properties of the model line are discussed.

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Abstract
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UCI(KEPA) : I410-ECN-0101-2014-500-002595260