| 大众捷运车站供电可用度及可靠度分析 |
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| 引用本文： | 黄四昌,郭逸凡. 大众捷运车站供电可用度及可靠度分析[J]. 都市快轨交通, 2016, 0(1): 63--68. DOI: 10.3969/j.issn.1672-6073.2016.01.016 |
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| 作者姓名： | 黄四昌 郭逸凡 |
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| 作者单位： | 日商三菱重工业台湾高速铁路南港延伸案工程事务所 台北 |
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| 摘 要： | 首先建立大众捷运车站供电系统可用度模式,其次探讨供电到车站非必要负载(NEL)、必要负载(EL)以及维生负载(VL)的可用度和可靠度。当可用度不考虑维修能量时退化成可靠度。通过计算机仿真数值分析,结果表明:车站VL负载之可用度/可靠度最高,EL负载可用度/可靠度次之,NEL负载可用度/可靠度最低。
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| 关 键 词： | 失效概率密度函数 维修概率密度函数 历时可用度 稳态可用度 平均失效时间 对数常态分布 |
| 修稿时间： | 2016-11-10 |
Availability & Reliability Analyses of MRT Station Power Supply System |
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| Huang Sichang,Guo Yifan. Availability & Reliability Analyses of MRT Station Power Supply System[J]. Urban Rapid Rail Transit, 2016, 0(1): 63--68. DOI: 10.3969/j.issn.1672-6073.2016.01.016 |
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| Authors: | Huang Sichang Guo Yifan |
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| Abstract: | The purpose of this technical paper is twofold. The first purpose is to establish an availability model of MRT station power supply system. The secondary one is to study the power supply availability/reliability behaviors of station Non Essential Load (NEL), Essential Load (EL) and Vital Load (VL). Without supplying maintenance capability, availability degrades into reliability. Computer simulations numerically confirm the design of power supply system that VL receiving power is the most available/reliable but NEL the most unavailable/unreliable, and availability/reliability of EL is higher than that of NEL and lower than that of VL. |
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| Keywords: | failure probability density function (f(t)) repair probability density function (g(t)) time-dependent availability (A(t)) steady-state availability (Ass) mean time to failure (MTTF) lognormal distribution |
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