Analysis and Suggestion to Unexpected Fault Problem Resulted from 750 kV Bushing Defect in Transformer

LI Wei; WANG Jian; LUO Wenhua; GONG Duohu; SHI Qian; DING Yang

doi:10.13296/j.1001-1609.hva.2016.04.035

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Analysis and Suggestion to Unexpected Fault Problem Resulted from 750 kV Bushing Defect in Transformer

更新时间：2025-04-26

- Analysis and Suggestion to Unexpected Fault Problem Resulted from 750 kV Bushing Defect in Transformer
- High VoltageApparatus Vol. 52, Issue 4, Pages: 216-220(2016)
- 作者机构：
  
  1. 贵州理工学院电气工程学院
  2. 国网新疆电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.04.035
  CLC： TM407
- Published：2016
- 稿件说明：
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[1]李伟,王建,罗文华,公多虎,石倩,丁扬.750kV套管缺陷导致变压器突发故障问题的分析与建议[J].高压电器,2016,52(04):216-220.

LI Wei, WANG Jian, LUO Wenhua, et al. Analysis and Suggestion to Unexpected Fault Problem Resulted from 750 kV Bushing Defect in Transformer[J]. High voltageapparatus, 2016, 52(4): 216-220.
[1]李伟,王建,罗文华,公多虎,石倩,丁扬.750kV套管缺陷导致变压器突发故障问题的分析与建议[J].高压电器,2016,52(04):216-220. DOI： 10.13296/j.1001-1609.hva.2016.04.035.

LI Wei, WANG Jian, LUO Wenhua, et al. Analysis and Suggestion to Unexpected Fault Problem Resulted from 750 kV Bushing Defect in Transformer[J]. High voltageapparatus, 2016, 52(4): 216-220. DOI： 10.13296/j.1001-1609.hva.2016.04.035.

摘要

电力设备缺陷直接威胁电网运行安全

文中通过对新疆750 kV变压器故障的DGA数据进行分析和故障诊断

并结合变压器解体检查证实诊断结论

再从套管结构分析探索和发现该设备的结构设计缺陷

确定诱发故障的真实原因并提出有效的消缺措施建议。

Abstract

Electric equipment defects directly threaten the running safety of power grid

and DGA data in this paper are analyzed and diagnosed to the faults happened in Xinjiang 750 kV transformer. Associated with the factory check the conclusion is validated

and the bushing design defect is explored and found from the structure analysis of this bushing to decide the real reason induced the fault in transformer

while the efficacious suggestion to de-defect way is proposed.

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LEI Hong-cai1

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TANG Mei-yun3

SHEN Ji-liang2

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XU Kai

LIANG Zhijian

ZHANG Yiyi

Related Institution

College of Electrical and Electronics Engineering, Huazhong University of Science and Technology

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