Analysis and Treatment of a 220 kV Main Transformer Accident

LEI Hong-cai1; HE Jun-jia1; TANG Mei-yun3; SHEN Ji-liang2

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Analysis and Treatment of a 220 kV Main Transformer Accident

更新时间：2025-04-26

- Analysis and Treatment of a 220 kV Main Transformer Accident
- High VoltageApparatus Issue 2, Pages: 141-142(2005)
- 作者机构：
  
  1.   华中科技大学电气与电子工程学院
  2.   湖南省电力公司
  3.   湖南省电力试验研究所湖北武汉430074 湖南省电力试验研究所
  4.   湖南长沙410007
  5.   湖北武汉430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： X934
- Published：2005
- 稿件说明：
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[1]雷红才,何俊佳,汤美云,申积良.一起220kV主变压器事故分析及处理[J].高压电器,2005(02):141-142.

LEI Hong-cai1, HE Jun-jia1, TANG Mei-yun3, et al. Analysis and Treatment of a 220 kV Main Transformer Accident[J]. High voltageapparatus, 2005, (2): 141-142.
[1]雷红才,何俊佳,汤美云,申积良.一起220kV主变压器事故分析及处理[J].高压电器,2005(02):141-142. DOI：

LEI Hong-cai1, HE Jun-jia1, TANG Mei-yun3, et al. Analysis and Treatment of a 220 kV Main Transformer Accident[J]. High voltageapparatus, 2005, (2): 141-142. DOI：

摘要

对一起变压器事故损坏情况进行了检查

对事故原因进行了分析

提出造成该次事故的原因是变压器低压引线的绝缘支架机械强度不够。为了避免类似事故的发生

变压器设计时不但要对绕组的抗短路能力进行验算

还应对引线支撑件的抗短路能力进行验算。

Abstract

This paper analyzes a transforner accident

the poor mechanical strength of lead’s insulation support in low voltage side is considered to be the reason of the accident. In order to avoid this kind of accident

the ability against accidental short-circuit of both lead’s insulation support and windings should be verified.

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