Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation

Wu Rong Du Peng Wang Jian

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Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation

更新时间：2025-11-18

- Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation
- Issue 4, Pages: 14-16+29(2006)
- 作者机构：
  
  1. 德阳电业局
  2. 德阳电业局四川德阳618000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM407
- Published：2006
- 稿件说明：
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[1]吴蓉,杜鹏,王剑.500kV某变电站主变差动保护误动原因分析及对策[J].四川电力技术,2006(04):14-16+29.

Wu Rong Du Peng Wang Jian. Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation[J]. 2006, (4): 14-16+29.
[1]吴蓉,杜鹏,王剑.500kV某变电站主变差动保护误动原因分析及对策[J].四川电力技术,2006(04):14-16+29. DOI：

Wu Rong Du Peng Wang Jian. Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation[J]. 2006, (4): 14-16+29. DOI：

摘要

通过对发生在500 kV某变电站主变差动保护一次误动作情况的分析

探讨变电站地电位差对差动保护的影响

并对此次事故应吸取的教训和同类事故预防提出了对策和建议。

Abstract

Through the analysis on the malfunction of main transformer differential protection happened at one 500 kV substation

the influence of earth potential difference on differential protection in substation is discussed and the corresponding strategies and suggestions are proposed.

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