摘要
利用故障树分析法建立变电站自动化系统的可靠性模型。通过系统故障树的定性分析、定量计算和敏感度分析,计算得到变电站自动化系统的可靠性指标,确定出系统可靠性的薄弱环节,提出关键设备冗余配置的改进措施。定量评估表明,关键设备冗余配置是提高变电站自动化系统可靠性的有效方法。得出的结论与工程实际经验是相一致的。
Fault tree analysis method was applied to establishing the reliability model of substation automation system （SAS）. Through qualitative analysis, quantitative calculation and sensitivity analysis, the reliability indices of SAS were calculated, the weak sections were found out, and the measures to improve system reliability were presented. The results proved this method can evidently improve the reliability of SAS and are consistent with practical experiences.
出处
《电力科学与工程》
2009年第6期37-40,共4页
Electric Power Science and Engineering
关键词
变电站综合自动化
可靠性
故障树分析
重要度因子
substation automation system
reliability
fault tree analysis
importance coefficient
