| 大型电力变压器绕组故障综合试验方法分析 |
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| 引用本文： | 孟建英,郭红兵,刘世欣,燕宝峰.大型电力变压器绕组故障综合试验方法分析[J].内蒙古电力技术,2012,30(3):46-49. |
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| 作者姓名： | 孟建英 郭红兵 刘世欣 燕宝峰 |
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| 作者单位： | 1. 内蒙古工业大学,内蒙古呼和浩特,010051
2. 内蒙古电力科学研究院,内蒙古呼和浩特,010020 |
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| 基金项目： | 内蒙古自治区高等学校科学研究项目 |
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| 摘 要： | 结合蒙西电网几起大型电力变压器绕组故障的诊断过程及方法,分析认为仅凭油中溶解气体色谱分析试验、直流电阻试验或绕组频率响应特性试验往往不能作出正确的故障判断,提出了应结合绕组电容量试验、低电压下空载试验或短路阻抗试验,并对试验结果进行综合分析,方可达到准确判断绕组状况的见解.
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| 关 键 词： | 电力变压器 绕组故障 绕组电容量试验 空载试验 短路阻抗试验 |
Comprehensive Diagnosis of Large Power Transformer Winding Faults |
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| Meng Jianying
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Guo Hongbing
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Liu Shixin
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Yan Baofeng.Comprehensive Diagnosis of Large Power Transformer Winding Faults[J].Inner Mongolia Electric Power,2012,30(3):46-49. |
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| Authors: | Meng Jianying Guo Hongbing Liu Shixin Yan Baofeng |
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| Affiliation: | 1.Inner Mongolia University of Technology,Inner Mongolia Hohhot 010051; 2.Inner Mongolia Electric Power Science & Research Institute,Inner Mongolia Hohhot 010020) |
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| Abstract: | By means of analysis instances of power transformer malfunctions in west Inner Mongolia network,the author find that diagnosis of gases dissolved in transformer oil,D.C resistance test are frequency response analysis test are impossible to correctly appraise power transformer malfunctions.To correctly estimate the condition of windings,the author put forword to combine winding capacitance test,no-load test under low voltage or D.C resistance test,with comperhensive analysis of test results to achieve the aim. |
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| Keywords: | power transformers winding fault winding capacitance test no-load test short-circuit impedance test |
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