Electric Field Simulation of a Voltage Graded Type Insulator for DC GIL

被引：0

作者：

Hu, Kejie ^{[1
]}

Cheng, Jianwei ^{[1
]}

Wang, Shuaibing ^{[1
]}

Chen, Xi ^{[2
]}

Li, Zhiqiang ^{[2
]}

Liu, Peng ^{[3
]}

Jin, Shoufeng ^{[3
]}

机构：

[1] Elect Power Res Inst, CSG, 11 Kexiang Rd, Guangzhou 510663, Peoples R China

[2] China Southern Power Grid, 11 Kexiang Rd, Guangzhou 510663, Peoples R China

[3] Xi An Jiao Tong Univ, Xian 710049, Peoples R China

来源：

2019 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2019年

关键词：

SPACERS;

D O I：

10.1109/ceidp47102.2019.9009734

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Electric charge will accumulate on the GIL (gas-insulated metal-enclosed transmission line) insulator under DC voltage, which will distort the electric field distribution at the solid-gas interface and cause the flashover voltage to drop. It is the main reason that hinders the application of DC GIL. A study on the optimization of insulator structure in DC GIL was carried out and a voltage graded type insulator is proposed. The insulator is similar to a bushing core, which uses multiple layers of electrodes to clamp the potential in the insulator, and regulates the electric field distribution on the insulator surface. The electric field simulation analysis proves that the insulator meets the design requirements.

引用

页码：214 / 217

页数：4

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