Electric field optimization of the supporting insulator of 500 kV DC GIL

Zhi Jie Jia; Jian Ming Li; Jia Li; Jian Bin Fan; Jin Zhong Li; Peng Li; Qiao Gen Zhang

Electric field optimization of the supporting insulator of 500 kV DC GIL

Zhi Jie Jia
, Jian Ming Li
, Jia Li
, Jian Bin Fan
, Jin Zhong Li
, Peng Li
, Qiao Gen Zhang

Sichuan Electric Power Test and Research Institute
Xi'an Jiaotong University
State Grid Corporation of China

科研成果: 期刊稿件 › 文章 › 同行评审

7 引用（Scopus）

摘要

The surface flashover of supporting insulators of DC gas insulated transmission line(GIL) GIL is mainly induced by surface charge accumulation. The distribution of interior electric field of DC GIL is mainly controlled by conductivity and geometry of insulator made of epoxy resin. Therefore, a model of 500 kV DC GIL is established in this paper, and the influences of geometry, volume conductivity, and surface conductivity of supporting insulators of GIL on electric field distribution are analyzed with the software COMSOL. The results show that the electric field distribution of semi-conical insulators is the optimum, the volume conductivity of the insulators exerts weak influence on the electric field distribution, and the electric field distribution on insulator surface of DC GIL can be controlled and optimized by controlling the surface conductivity of the insulators.

源语言	英语
页（从-至）	18-21+24
期刊	Gaoya Dianqi/High Voltage Apparatus
卷	46
期	6
出版状态	已出版 - 6月 2010
已对外发布	是

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@article{79b55f43ba98416792489706cf76eb36,

title = "Electric field optimization of the supporting insulator of 500 kV DC GIL",

abstract = "The surface flashover of supporting insulators of DC gas insulated transmission line(GIL) GIL is mainly induced by surface charge accumulation. The distribution of interior electric field of DC GIL is mainly controlled by conductivity and geometry of insulator made of epoxy resin. Therefore, a model of 500 kV DC GIL is established in this paper, and the influences of geometry, volume conductivity, and surface conductivity of supporting insulators of GIL on electric field distribution are analyzed with the software COMSOL. The results show that the electric field distribution of semi-conical insulators is the optimum, the volume conductivity of the insulators exerts weak influence on the electric field distribution, and the electric field distribution on insulator surface of DC GIL can be controlled and optimized by controlling the surface conductivity of the insulators.",

keywords = "Field distribution, Field optimization, Geometry, Surface charge accumulation, Surface conductivity, Volume conductivity",

author = "Jia, \{Zhi Jie\} and Li, \{Jian Ming\} and Jia Li and Fan, \{Jian Bin\} and Li, \{Jin Zhong\} and Peng Li and Zhang, \{Qiao Gen\}",

year = "2010",

month = jun,

language = "英语",

volume = "46",

pages = "18--21+24",

journal = "Gaoya Dianqi/High Voltage Apparatus",

issn = "1001-1609",

publisher = "Xi'an High Voltage Apparatus Research Institute",

number = "6",

}

TY - JOUR

T1 - Electric field optimization of the supporting insulator of 500 kV DC GIL

AU - Jia, Zhi Jie

AU - Li, Jian Ming

AU - Li, Jia

AU - Fan, Jian Bin

AU - Li, Jin Zhong

AU - Li, Peng

AU - Zhang, Qiao Gen

PY - 2010/6

Y1 - 2010/6

N2 - The surface flashover of supporting insulators of DC gas insulated transmission line(GIL) GIL is mainly induced by surface charge accumulation. The distribution of interior electric field of DC GIL is mainly controlled by conductivity and geometry of insulator made of epoxy resin. Therefore, a model of 500 kV DC GIL is established in this paper, and the influences of geometry, volume conductivity, and surface conductivity of supporting insulators of GIL on electric field distribution are analyzed with the software COMSOL. The results show that the electric field distribution of semi-conical insulators is the optimum, the volume conductivity of the insulators exerts weak influence on the electric field distribution, and the electric field distribution on insulator surface of DC GIL can be controlled and optimized by controlling the surface conductivity of the insulators.

AB - The surface flashover of supporting insulators of DC gas insulated transmission line(GIL) GIL is mainly induced by surface charge accumulation. The distribution of interior electric field of DC GIL is mainly controlled by conductivity and geometry of insulator made of epoxy resin. Therefore, a model of 500 kV DC GIL is established in this paper, and the influences of geometry, volume conductivity, and surface conductivity of supporting insulators of GIL on electric field distribution are analyzed with the software COMSOL. The results show that the electric field distribution of semi-conical insulators is the optimum, the volume conductivity of the insulators exerts weak influence on the electric field distribution, and the electric field distribution on insulator surface of DC GIL can be controlled and optimized by controlling the surface conductivity of the insulators.

KW - Field distribution

KW - Field optimization

KW - Geometry

KW - Surface charge accumulation

KW - Surface conductivity

KW - Volume conductivity

UR - https://www.scopus.com/pages/publications/84863338533

M3 - 文章

AN - SCOPUS:84863338533

SN - 1001-1609

VL - 46

SP - 18-21+24

JO - Gaoya Dianqi/High Voltage Apparatus

JF - Gaoya Dianqi/High Voltage Apparatus

IS - 6

ER -

Electric field optimization of the supporting insulator of 500 kV DC GIL

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