| 小电流接地系统线路断线分析 |
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| 引用本文： | 王琦,杨梅.小电流接地系统线路断线分析[J].电力学报,2007,22(1):121-124. |
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| 作者姓名： | 王琦 杨梅 |
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| 作者单位： | 山西省运城供电分公司,山西,运城,044000 |
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| 摘 要： | 用复合序网和边界条件对小电流接地系统线路断线故障进行了分析,得出故障情况下电压指示及绝缘监察装置动作情况,着重分析了单电源单回线路断线及相继金属性接地时的电压指示,为调度、运行人员分析判断提供一些参考。
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| 关 键 词： | 电网运行 小电流接地系统 断线 接地 |
| 文章编号： | 1005-6548(2007)01-0121-04 |
| 修稿时间： | 2006-10-15 |
An Analysis of Line Breaking in Undercurrent Earthed System |
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| WANG Qi,YANG Mei.An Analysis of Line Breaking in Undercurrent Earthed System[J].Journal of Electric Power,2007,22(1):121-124. |
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| Authors: | WANG Qi YANG Mei |
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| Affiliation: | Yuncheng Power Supply Company, Yuncheng, Shanxi 044000, China |
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| Abstract: | On boundry conditions,the article,with compound foreword net,analyses line breaking fault in undercurrent earthed system and obtains the voltage instructions and the insulation supervision installment movements in the breakdown situation.The article focuses on the voltage instructions at the moment when the single circuit with single power soure in broken and the circuit is metallically earthed subseguently,and draws up the voltage vector diagram,to provide some references for the diopatchin and operation personel to analyze and make the judgemant. |
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| Keywords: | operation of power grid undercurrent earthed system line breaking grounding |
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