Analysis of Multiple Compressed Circuit Over-Current Directional Protection Mis Operation in Main Transformer

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Analysis of Multiple Compressed Circuit Over-Current Directional Protection Mis Operation in Main Transformer

更新时间：2025-11-18

- Analysis of Multiple Compressed Circuit Over-Current Directional Protection Mis Operation in Main Transformer
- Vol. 37, Issue 3, Pages: 79-82(2017)
- 作者机构：
  
  中国石油化工股份有限公司巴陵分公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM63;TM77
- Published：2017
- 稿件说明：
移动端阅览
[1]卿向东.主变复闭过流方向保护误动作原因分析[J].湖南电力,2017,37(03):79-82.

QING Xiangdong. Analysis of Multiple Compressed Circuit Over-Current Directional Protection Mis Operation in Main Transformer[J]. 2017, 37(3): 79-82.
[1]卿向东.主变复闭过流方向保护误动作原因分析[J].湖南电力,2017,37(03):79-82. DOI：

QING Xiangdong. Analysis of Multiple Compressed Circuit Over-Current Directional Protection Mis Operation in Main Transformer[J]. 2017, 37(3): 79-82. DOI：

摘要

针对某石化企业110kV变电站中主变复闭过流方向保护的一起误动作情况

通过对接地过程中的故障信息进行了分析

找出了保护误动作的原因

针对正反方向动作情况作了进一步分析

提出了解决方案。

Abstract

This paper concentrates on a mis operation of main transformer multiple compressed circuit over-current directional protection in 110kV converter station of a petrochemical corporation. It analyzes accident information in grounding process

and find out the reason for protection mis operation. This paper further analyzes forward and reverse operation

and then it proposes a solution.

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Related Author

MA Li

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EHV Administration Bureau of Hunan Electric Power Corporation

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