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Reliability tracing analysis for multi-state power transformers using Bayesian network
Author(s): 
Pages: 78-85
Year: Issue:  6
Journal: Relay

Keyword:  transformerreliability analysisBayesian networkscondition based maintenanceall-life management;
Abstract: 大型电力变压器是输变电系统的关键设备,其可靠性直接关系到电网的安全稳定运行.为了提高变压器可靠性跟踪分析的效率,提出一种基于贝叶斯网络的多状态变压器可靠性跟踪分析方法.给出了适用于多状态变压器的不可靠性指标跟踪算法.根据相关参考文献、专家经验及数据搜集,首次从部件的角度构建了电力变压器贝叶斯网络模型.结合可靠性指标统计,对变压器可靠性进行了跟踪分析,确定了影响变压器可靠性的关键部件,辨识了变压器薄弱环节.通过运用贝叶斯网络对变压器可靠性进行跟踪分析,为变压器的状态维修及全寿命周期管理提供了理论和数据支持.
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