Research on shielding failure of UHVDC based on leader progression model

Geng Yinan Geng Yinan,Zhuang Chijie Zhuang Chijie

doi:10.1109/iclp.2012.6344203

Research on shielding failure of UHVDC based on leader progression model

Geng Yinan Geng Yinan, Zhuang Chijie Zhuang Chijie

https://doi.org/10.1109/iclp.2012.6344203

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Publication Date: Sep 1, 2012

Affiliation: State Key Joint Laboratory of Environment Simulation and Pollution Control, Tsinghua University

#Shielding Failure #Leader Progression Model + Show 8 more

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Abstract

Shielding failure is one of key problems of UHV transmission lines. Considering the high operating voltage and high tower of UHV transmission lines, the inception criterion of upward leader is proposed in this paper. The process of shielding failure is simulated by the method based on leader progression model and shielding failure rate is calculated. This method is verified by comparing the calculation results with the operated data of UHV transmission lines in Japan. The shielding failure characteristics of UHVDC transmission lines in China under different terrain conditions are researched.

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