Analysis of 35 k V Dry-type Air-core Reactors Turn-to-turn Field Distribution Based on the Finite Element Method

PENG Qingjun; JIANG Xiongwei; MA Yi; QIAN Guochao; YAN Bing; ZOU Dexu; ZHOU Tianchun

doi:10.13296/j.1001-1609.hva.2018.02.024

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Analysis of 35 k V Dry-type Air-core Reactors Turn-to-turn Field Distribution Based on the Finite Element Method

更新时间：2025-04-26

- Analysis of 35 k V Dry-type Air-core Reactors Turn-to-turn Field Distribution Based on the Finite Element Method
- High VoltageApparatus Vol. 54, Issue 2, Pages: 147-152(2018)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 重庆大学输配电装备及系统安全与新技术国家重点实验室
  3. 电力规划设计总院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.02.024
  CLC： TM472
- Published：2018
- 稿件说明：
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[1]彭庆军,姜雄伟,马仪,钱国超,颜冰,邹德旭,周天春.基于有限元方法的35 kV干式空心并联电抗器匝间电场分布研究[J].高压电器,2018,54(02):147-152.

PENG Qingjun, JIANG Xiongwei, MA Yi, et al. Analysis of 35 k V Dry-type Air-core Reactors Turn-to-turn Field Distribution Based on the Finite Element Method[J]. High voltageapparatus, 2018, 54(2): 147-152.
[1]彭庆军,姜雄伟,马仪,钱国超,颜冰,邹德旭,周天春.基于有限元方法的35 kV干式空心并联电抗器匝间电场分布研究[J].高压电器,2018,54(02):147-152. DOI： 10.13296/j.1001-1609.hva.2018.02.024.

PENG Qingjun, JIANG Xiongwei, MA Yi, et al. Analysis of 35 k V Dry-type Air-core Reactors Turn-to-turn Field Distribution Based on the Finite Element Method[J]. High voltageapparatus, 2018, 54(2): 147-152. DOI： 10.13296/j.1001-1609.hva.2018.02.024.

摘要

深入开展35 k V干式空心电抗器匝间电场分布研究

对35 k V干式空心电抗器匝间放电故障分析和提高35 k V干式空心电抗器的可靠运行具有重要意义。为此

文中基于有限元仿真计算开展了35 k V干式空心电抗器匝间电场分布研究。研究结果表明:35 k V干式空心电抗器外层支路匝间电场强度大于内层支路的匝间电场强度

且由于35 k V干式空心电抗器电磁场分布的特殊性导致了每层支路中端部的匝间电场强度小于中间部分的匝间电场强度;10 k Hz下的匝间电压比与50 Hz下的匝间电压比近似相同。

Abstract

To study the turn-to-turn electric field distribution in 35 k V dry-type air-core reactor

has a greatsignificance on the mechanism of turn-to-turn discharge fault

and improve its reliability. Therefore

this papercarried out the research of turn-to-turn field distribution in dry-type air-core reactor based on the finite elementsimulations. The analysis results indicated that the intensity of inter-turn electric field in the outer branch is greaterthan that in the inner branch. The particularity of the electromagnetic field distribution in 35 k V dry-type air-corereactor leads to the result of end inter-turn electric field intensity in each layer of branch is less than that in themiddle section. The inter-turn voltage ratio under 10 k Hz and 50 Hz is approximately the same.

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