| 基于可靠性分析的微机继保设备最佳检修周期研究 |
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| 引用本文： | 任震,李红宁,吴国沛.基于可靠性分析的微机继保设备最佳检修周期研究[J].电力建设,2007,28(11):95-98. |
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| 作者姓名： | 任震 李红宁 吴国沛 |
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| 作者单位： | (1. 华南理工大学电力学院, 广州市, 510640; 2. 广东电网公司广州供电局, 广州市, 510600) |
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| 摘 要： | 目前使用的微机继保设备可靠性模型不准确,造成实际应用困难。文章通过引入自检系数、检修成功系数和故障维修系数, 改进了微机继保设备的可靠性模型, 求解了微机继保设备的最佳检修周期, 并进一步编制了最佳检修周期的计算软件, 实现了对微机继保设备可靠性的动态评估。对影响微机继保设备最佳检修周期的因素进行了灵敏度分析, 找出对最佳检修周期影响较大的2 个因素为自检系数和检修成功系。
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| 关 键 词： | 可靠性分析 继保设备 最佳检修周期 灵敏度分析 |
| 文章编号： | 1000-7229（2007）11-0095-04 |
| 收稿时间： | 2010-01-25 |
| 修稿时间： | 2007-08-02 |
Study of Optimum Maintenance Cycle for Microcomputer-Controlled Relay Protection Devices Based on Reliability Analysis |
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| REN Zhen,LI Hong-ning,WU Guo-pei.Study of Optimum Maintenance Cycle for Microcomputer-Controlled Relay Protection Devices Based on Reliability Analysis[J].Electric Power Construction,2007,28(11):95-98. |
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| Authors: | REN Zhen LI Hong-ning WU Guo-pei |
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| Affiliation: | 1. Electric Power College, South China University of Technology, Guangzhou 510640, China; 2. Guangzhou Power Supply Bureau of GPGC, Guangzhou 510600, China |
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| Abstract: | Current reliability models of microcomputer-controlled relay protection devices have insufficient accuracy resulting difficulties in application.The authors introduce self-checking coefficient,examine success coefficient and fault service coefficient,improve device reliability model and compute optimum maintenance cycle.Optimum maintenance cycle calculation software is also developed to dynamically evaluate device reliability.Finally,sensitivity analysis of factors affecting optimum device maintenance cycle is conducted and two influential factors,including self-checking coefficient and examine success coefficient are identified. |
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| Keywords: | reliability analysis relay protection devices optimum maintenance cycle sensitivity analysis |
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