Cause Analysis of One Accident in Power Grid

Chen Ping

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Cause Analysis of One Accident in Power Grid

更新时间：2025-11-18

- Cause Analysis of One Accident in Power Grid
- Issue 3, Pages: 72-73(2007)
- 作者机构：
  
  华北电力大学工商管理学院,北京,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM711
- Published：2007
- 稿件说明：
移动端阅览
[1]陈平.一起电网事故原因分析[J].四川电力技术,2007(03):72-73.

Chen Ping. Cause Analysis of One Accident in Power Grid[J]. 2007, (3): 72-73.
[1]陈平.一起电网事故原因分析[J].四川电力技术,2007(03):72-73. DOI：

Chen Ping. Cause Analysis of One Accident in Power Grid[J]. 2007, (3): 72-73. DOI：

摘要

对发生在西昌电网的一起电网事故原因进行了分析。指出因变压器中性点保护间隙整定不当造成了中性点保护间隙的误动作。分析认为

变压器中性点保护间隙的整定应考虑实际运行的海拔高度和运行环境污秽程度的影响并进行校正

不易统一规定。

Abstract

The cause for one accident in Xichang power grid is analyzed

and it shows that misoperation of protective gas neutral point is the result of the unsuitable setting of neutral point protective gap of transformer.It proposes that when setting the protective gap of the neutral point of transformer

it is not suitable to set one certain value

it is necessary to consider the actual height above sea level and the impact of dirtiness on the operating environment

and then the setting needs to be corrected.

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