刘德勇 徐晔 赵晓明（中国人民解放军理工大学工程兵工程学院，南京市 210007）
Analysis on Reliability of Underground-space Power Supply System Based on PEMFC
Liu Deyong Xu Ye Zhao Xiaoming（Engineering Institute of Engineering Corps，PLA University of Science
& Technology，Nanjing 210007，China）
Abstract In this paper，the distributed and the centralized power supply configurations used in underground-space based on PEMFC（Proton Exchange Membrane Fuel Cell）are proposed. The corresponding power supply system models for reliability calculation are established. It can be concluded and confirmed that distributed power supply system is more reliable than centralized power supply system by quantitative calculation，comparison and analysis of the reliability of models and that the reliability index defaults of PEMFC models will not affect the conclusion of the distributed more reliable. By analyzing the sensitivity of distributed power supply system elements，an order of sensitivity of elements is obtained.
Key words Reliability PEMFC Underground-space Distributed power supply Centralized power supply
摘 要 提出了基于 PEMFC（质子交换膜燃料电池）的地下空间集中式和分布式两种供电结构，建立了相应的供电系统可靠性计算模型，通过对模型的可靠性进行定量计算、对比和分析，证实分布式PEMFC比集中式PEMFC的供电系统可靠性高，PEMFC模型可靠性指标假设值对分布式可靠性更高的结论没有影响；最后，分析了分布式供电系统元件的敏感度，得出了元件的敏感度排序。
关键词 可靠性 PEMFC 地下空间 分布式 集中式
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