Analysis and Treatment of a Short Circuit Accident at Low-voltage Side of a 220 kV Transformer

LIU Sheng-jun; WANG Kang; LIU Shan

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Analysis and Treatment of a Short Circuit Accident at Low-voltage Side of a 220 kV Transformer

更新时间：2025-04-26

- Analysis and Treatment of a Short Circuit Accident at Low-voltage Side of a 220 kV Transformer
- High VoltageApparatus Vol. 45, Issue 5, Pages: 149-151+154(2009)
- 作者机构：
  
  保定供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM407
- Published：2009
- 稿件说明：
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[1]刘胜军,王慷,刘山.一起220kV主变低压短路事故的分析与处理[J].高压电器,2009,45(05):149-151+154.

LIU Sheng-jun, WANG Kang, LIU Shan. Analysis and Treatment of a Short Circuit Accident at Low-voltage Side of a 220 kV Transformer[J]. High voltageapparatus, 2009, 45(5): 149-151+154.
[1]刘胜军,王慷,刘山.一起220kV主变低压短路事故的分析与处理[J].高压电器,2009,45(05):149-151+154. DOI：

LIU Sheng-jun, WANG Kang, LIU Shan. Analysis and Treatment of a Short Circuit Accident at Low-voltage Side of a 220 kV Transformer[J]. High voltageapparatus, 2009, 45(5): 149-151+154. DOI：

摘要

对一起220 kV主变低压短路事故的损坏情况进行了检查

对事故原因进行了分析

得出造成此次事故的原因是主变低压引线过长。为了避免类似事故的发生

设计主变时

除了对绕组的抗短路能力进行验算外.还应对引线的抗短路能力进行验算。

Abstract

This paper analyzes the damage condition of a 220 kV transformer which suffered short circuit accident at low-voltage side

and finds that excessive leading wire caused the accident.In order to avoid the similar accidents

both windings and leading wires ought to be verified in transformer design for their capacity against short circuit.

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Related Institution

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武汉大学电气工程学院湖北武汉430072

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