| 一起TA击穿引起变差保护动作的分析 |
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| 引用本文： | 王营,周立杰. 一起TA击穿引起变差保护动作的分析[J]. 青海电力, 2007, 26(1): 40-41,62 |
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| 作者姓名： | 王营 周立杰 |
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| 作者单位： | 黄河电力检修有限公司,青海,西宁,810001;黄河电力检修有限公司,青海,西宁,810001 |
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| 摘 要： | 李家峡电站1#机组在B级检修结束零起升压过程中,集成变差保护用TA绕组绝缘击穿,集成变差保护动作出口。文章对保护动作原因通过接地电流的计算以及该型号集成保护的特点进行了分析。
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| 关 键 词： | TA绝缘击穿 保护动作 接地电流计算 |
| 文章编号： | 1006-8198（2007）01-0040-02 |
| 修稿时间： | 2006-10-07 |
Analysys on Transformer Differential Protection Action caused by TA Breakdown |
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| WANG Ying,ZHOU Li-jie. Analysys on Transformer Differential Protection Action caused by TA Breakdown[J]. Qinghai Electric Power, 2007, 26(1): 40-41,62 |
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| Authors: | WANG Ying ZHOU Li-jie |
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| Abstract: | During the set-up of the voltage of the 1# power generator in the Lijiaxia power plant,the insulation of the TA winding for integrated transformer differntial protection was broken down,the intgrated transformer differential protection activating a trip.Based on calculation of traounding current,this paper analyzes the features of the intearated transformer differential protection and the cause of the protection action. |
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| Keywords: | Insulation Breakdown Protection action Grounding Current Calculation |
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