| 小电流接地选线装置选线准确率低的原因分析及提高选线准确率的方法 |
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| 引用本文： | 吴清,许云峰.小电流接地选线装置选线准确率低的原因分析及提高选线准确率的方法[J].电力设备,2007,8(11):11-13. |
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| 作者姓名： | 吴清 许云峰 |
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| 作者单位： | 1. 海南省海口市供电公司,海南省,海口市,570102
2. 北京市天利自动化设备研究所,北京市,100083 |
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| 摘 要： | 小电流接地选线装置选线准确率低一直困扰着电力系统用户。文中分析了设备选型中的问题和影响选线正确性的因素,提出了现场接地选线的试验步骤,以及固定电阻接地、电弧接地和间歇接地3种现场接地试验方法及注意事项,通过运行5年的实际数据(选线正确率100%)证明了上述试验步骤对提高选线装置准确率的有效性。
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| 关 键 词： | 小电流接地选线 设备选型 现场调试 接地试验 |
| 修稿时间： | 2007-10-10 |
Case Study of Low Accuracy Rate for Small Current Grounding Iine Selection and Method for Its Improvement |
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| WU Qing,XU Yun-feng.Case Study of Low Accuracy Rate for Small Current Grounding Iine Selection and Method for Its Improvement[J].Electrical Equipment,2007,8(11):11-13. |
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| Authors: | WU Qing XU Yun-feng |
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| Affiliation: | 1 .Hainan Haikou Power Supply Co., Haikou 570102, China; 2. Beijing Tianli Automation Equipment Research Institute, Beijing 100083, China |
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| Abstract: | Low accuracy rate for small current grounding line selection is always a problem for power system user. The paper analyzed the problems in equipment selection and the factors of influencing the correctness of line selection, put forward the test step as well as the 3 kinds of grounding test method on-site, such as regular resistance grounding, electric arc grounding and intermittence grounding, and its notice item. Through the actual data of 100% line selection accuracy rate in 5 years, the above-mentioned test step for improving the line selection accuracy rate is proved to be valid. |
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| Keywords: | small current grounding line selection equipment selecting site commissioning grounding test |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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