Review of charge accumulation on spacers of gas insulated equipment at DC stress

Hongyang Zhou; Guoming Ma; Cong Wang; Jue Wang; Guixin Zhang; Youping Tu; Chengrong Li

doi:10.17775/CSEEJPES.2019.00820

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Review of charge accumulation on spacers of gas insulated equipment at DC stress

Regular Papers | 更新时间：2026-10-15

- Review of charge accumulation on spacers of gas insulated equipment at DC stress
- CSEE Journal of Power and Energy Systems Vol. 6, Issue 3, Pages: 496-517(2020)
- 作者机构：
  
  1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources and the Beijing Key Laboratory of High Voltage and EMC, North China Electric Power University,Beijing,China
  2. Institute of Electrical Engineering,Beijing,China
  3. Department of Electrical Engineering, Tsinghua University,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2019.00820
  CLC：
- Published：01 September 2020
- 稿件说明：
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Hongyang Zhou, Guoming Ma, Cong Wang, et al. Review of charge accumulation on spacers of gas insulated equipment at DC stress[J]. CSEE Journal of Power and Energy Systems, 2020, 6(3): 496-517.
DOI：

Hongyang Zhou, Guoming Ma, Cong Wang, et al. Review of charge accumulation on spacers of gas insulated equipment at DC stress[J]. CSEE Journal of Power and Energy Systems, 2020, 6(3): 496-517. DOI： 10.17775/CSEEJPES.2019.00820.

摘要

Abstract

Charge accumulation on the spacer surface in gas insulated equipment is very severe in the DC field

leading to easy flashover

which restricts the application of DC GIS/GIL. Therefore

knowledge about the charge accumulation characteristics of gas insulated equipment at DC stress is essential. In this paper

we reviewed the research methods and the characteristics of charge accumulation on spacers. A summary of charge measurement methods and setups are presented. And the surface charge inversion algorithms are introduced. Then the simulation model for charge accumulation in the DC field is reviewed. Subsequently

the charge accumulation mechanisms and phenomenon

the influence factor of surface charge accumulation and the influence of accumulated charge on spacer insulation characteristics are summarized. In addition

some suppression methods of surface charge accumulation are discussed. Finally

based on the understanding of charge accumulation on spacers

some suggestions on further studies are presented to aid in the design of a better spacer free from surface charges.

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