Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure

Kai Zhang; Huanyu Qian; Bo Wu; Jun Zhang

doi:10.47297/taposatWSP2633-456913.20220301

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Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure

3卷第1期

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Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure
Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure
Zhoukou Normal University
2022年3卷第1期页码：66-70
纸质出版日期： 2022 ，
DOI：10.47297/taposatWSP2633-456913.20220301
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Kai Zhang, Huanyu Qian, Bo Wu & Jun Zhang. (2022). Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure. 科技理论与实践（英文版）, 3(1), 66-70.

KAI ZHANG, HUANYU QIAN, BO WU & JUN ZHANG. (2022). Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure. Theory and Practice of Science and Technology, 3(1), 66-70..
Kai Zhang, Huanyu Qian, Bo Wu & Jun Zhang. (2022). Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure. 科技理论与实践（英文版）, 3(1), 66-70. DOI： 10.47297/taposatWSP2633-456913.20220301.

KAI ZHANG, HUANYU QIAN, BO WU & JUN ZHANG. (2022). Analysis of Dynamic Process of Polarity Reversal Electric Field in Oil-paper Insulation Structure. Theory and Practice of Science and Technology, 3(1), 66-70.. DOI： 10.47297/taposatWSP2633-456913.20220301.

摘要

Abstract

Nowadays

China’s converter transformer has been upgraded

and polarity reversal is a special working state of this transformer. When the polarity is reversed

it will be affected by the space charge

and at this time

the dangerous field strength will generally appear in the insulating oil. Therefore

it is necessary to analyze the characteristics of oil-paper insulation structure

understand the dynamic change of polarity reversal electric field

strengthen the effective control of insulation thickness

and reduce the influence of uncertain factors on the stable operation of transformers.

关键词

Keywords

Oil-paper insulation structurePolarity reversalElectric field dynamics

references

Chi Minghe, Wang Qian, Luo Qinglin, Zhang Chaohai, Liu Ji, Guan Yi, Chen Qingguo. “The influence of dynamic parameters of oil-paper insulation field on the calculation results of electric field at the end of commutation” [J]. Proceedings of the CSEE, 2022,42(5):1701-13.[2] Chi Minghe, Li Yiheng, Luo Qinglin, Zhang Chaohai, Sun Wenxin, Guan Yi, Chen Qingguo. “Influence of operating environment on electric field distribution of oil-paper insulation of converter transformer” [J]. Journal of Electrical and Control, 2021,25(5):71-79.[3] Li Changyun, Ji Zhang, Yan Hongwei. “Influence of insulating paper characteristics and polarity reversal on space charge effect of oil-paper insulation” [J]. Proceedings of CSEE, 2020,40(14):4708-4718+4748.[4] Gao Chunjia, Qi Bo, Han Hao, Gao Yuan, Li Chengrong. “Space electric field characteristics of large-size oil-paper insulation structure under multi-voltage stress” [J]. Journal of Electrical Technology, 2019,34(22):4816-26.

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