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| 一种规则与数值方法相结合的接地网支路可测性分析 | |
| 引用本文： | 王树奇,刘健,倪云峰,王森,李志忠.一种规则与数值方法相结合的接地网支路可测性分析[J].陕西电力,2008,36(1):15-19. |
| 作者姓名： | 王树奇 刘健 倪云峰 王森 李志忠 |
| 作者单位： | 1. 西安科技大学电气工程学院,西安,710054 2. 陕西电力科学研究院,西安,710054;西安科技大学电气工程学院,西安,710054 3. 陕西电力科学研究院,西安,710054 |
| 基金项目： | 国家电网公司重大科技项目新世纪优秀人才支持计划 |
| 摘 要： | 在接地网的分层模型基础上,分析了已有文献提出的完全基于规则的接地网支路可测性判断方法的局限性,指出仅仅采用规则不能确保各种情况下支路的可测性都得到正确判断.建议了一种数值方法,克服了已有规则的局限性,在此基础上,建立了一种规则和数值方法相结合的可测性分析迭代流程.以一个60支路的实验接地网为例进行了验证,结果表明提出的方法是正确的和可行的. |
| 关 键 词： | 接地网 分层模型 故障诊断 可测性 迭代 基于规则 数值方法 结合 接地网 支路 可测性分析 Grid Grounding Testability Evaluate Methodology Numerical Rules Based Approach 结果 验证 实验 流程 迭代 |
| 文章编号： | 1673-7598（2008）01-0015-05 |
| 收稿时间： | 2007-12-08 |
| 修稿时间： | 2007年12月8日 |
Hybrid Approach Based on Rules and Numerical Methodology to Evaluate Testability of Branches of Grounding Grid |
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| WANG Shu-qi,LIU Jian,NI Yun-feng,WANG Sen,LI Zhi-zhong.Hybrid Approach Based on Rules and Numerical Methodology to Evaluate Testability of Branches of Grounding Grid[J].Shanxi Electric Power,2008,36(1):15-19. | |
| Authors: | WANG Shu-qi LIU Jian NI Yun-feng WANG Sen LI Zhi-zhong |
| Abstract: | Based on the hierarchical model of grounding grid, the limitations of the rules based testability evaluation of corrosion diagnosis are analyzed. It is pointed out that the testability of some branches can not he conveniently identified according to the existing rules. A numerical method is presented to eliminate the limitations, based on which, an iteration process of testability evaluation combining the rules and numerical method is proposed .An experimental grounding grid with sixty branches is used as an example. The results show that the proposed approaches are correct and feasible. |
| Keywords: | grounding grid hierarchical model corrosion diagnosis testability iteration |
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