考虑气象条件的高速铁路接触网可靠性评价方法研究

2016 International Conference on Probabilistic Methods Applied to Power Systems (PMAPS) Pub Date : 2016-10-01 DOI:10.1109/PMAPS.2016.7764080

Zhen Wang, D. Feng, Sheng Lin, Zhengyou He

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引用次数: 13

摘要

气象条件对高速铁路接触网系统的可靠性评估影响很大。提出了一种考虑天气条件的高速铁路接触网系统可靠性评估方法。根据IEEE标准对气象条件进行分类，建立了三种气象条件下接触网构件的故障率模型。然后将不同天气条件下的故障率和返修率作为随机模糊变量。应用可信性理论分析了不确定性因素对接触网系统可靠性评估的影响。最后，引入故障树分析法计算接触网系统的可靠性指标。实例研究表明，该方法实现了考虑天气条件影响的高速铁路接触网可靠性评估，得到了不同天气条件下的可靠性指标。

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Research on reliability evaluation method of catenary of high speed railway considering weather condition

Weather condition has a great influence on the reliability assessment of the high-speed railway catenary system. This paper proposes a reliability assessment method for high-speed railway catenary system considering weather conditions. The weather condition is classified according to IEEE standard, and the failure rate model of catenary component is built under three weather conditions. Then the failure rate and repair rate under different weather conditions are considered as random fuzzy variables. Credibility theory is applied to evaluate the influence of uncertainties on the reliability assessment of catenary system. Finally, fault tree analysis method is introduced to calculate the reliability indices of the catenary system. Case study shows the proposed method achieves reliability assessment for catenary of high-speed railway system considering the influence of weather conditions, and the reliability indices under different weather conditions are obtained.

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2016 International Conference on Probabilistic Methods Applied to Power Systems (PMAPS)

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