Design of Reducing the Insulation Distance of the Round Lead Wire of 10 kV Transformer

LUAN Lan; XU Benmao; YU Qinxue; ZHONG Lisheng

doi:10.13296/j.1001-1609.hva.2019.02.027

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Design of Reducing the Insulation Distance of the Round Lead Wire of 10 kV Transformer

更新时间：2025-04-26

- Design of Reducing the Insulation Distance of the Round Lead Wire of 10 kV Transformer
- High VoltageApparatus Vol. 55, Issue 2, Pages: 189-194(2019)
- 作者机构：
  
  1. 山东电力设备有限责任公司
  2. 国家电网天府新区供电公司
  3. 西安交通大学电气绝缘研究中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.02.027
  CLC： TM41
- Published：2019
- 稿件说明：
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[1]栾兰,许本茂,于钦学,钟力生.10kV变压器圆形引线绝缘距离的减小设计[J].高压电器,2019,55(02):189-194.

LUAN Lan, XU Benmao, YU Qinxue, et al. Design of Reducing the Insulation Distance of the Round Lead Wire of 10 kV Transformer[J]. High voltageapparatus, 2019, 55(2): 189-194.
[1]栾兰,许本茂,于钦学,钟力生.10kV变压器圆形引线绝缘距离的减小设计[J].高压电器,2019,55(02):189-194. DOI： 10.13296/j.1001-1609.hva.2019.02.027.

LUAN Lan, XU Benmao, YU Qinxue, et al. Design of Reducing the Insulation Distance of the Round Lead Wire of 10 kV Transformer[J]. High voltageapparatus, 2019, 55(2): 189-194. DOI： 10.13296/j.1001-1609.hva.2019.02.027.

摘要

以圆形引线最小绝缘距离表中的10 kV引线结构为研究对象

采用COMSOL软件进行三维有限元电场仿真

并使用实物模型进行不同结构的绝缘距离试验验证

最终得到10 kV引线的最小绝缘距离

引线绝缘距离均比原有的标准有至少60%以上的降低

提出了适合当代变压器的新的圆形引线最小绝缘距离

为制定新的制造标准提供了参考依据。

Abstract

In this paper

COMSOL software is used to simulate three-dimensional electric field with the finite element method to get the different minimum insulation distances in different lead wire structures of 10 kV.Besides

verification has been done with physical structure models of different structures based on the simulation results

and the final conclusion is drawn with at least 60%reduction than the original standard.This paper puts forward new round lead wire minimum insulation distances that suit to nowadays transformer design

and provides a reference for new manufacture standard.

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