The Evaluation Method of the Lightning Strike on Transmission Lines Aiming at Power Grid Reliability

被引：0
|
作者：
Wen, Jianfeng [1 ]
Wu, Jianwei [1 ]
Huang, Liandong [1 ]
Geng, Yinan [2 ]
Yu, Zhanqing [2 ]
机构：
[1] Guangdong Power Grid Co Ltd, Jiangmen Power Supply Co, Guangzhou 529000, Guangdong, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2017 INTERNATIONAL CONFERENCE ON ADVANCED ENVIRONMENTAL ENGINEERING (ICAEE2017) | 2018年 / 111卷
关键词：
LEADER PROGRESSION MODEL; SHIELDING FAILURE; STROKE SIMULATION; EXPOSURE;
D O I：
10.1088/1755-1315/111/1/012037
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Lightning protection of power system focuses on reducing the flashover rate, only distinguishing by the voltage level, without considering the functional differences between the transmission lines, and being lack of analysis the effect on the reliability of power grid. This will lead lightning protection design of general transmission lines is surplus but insufficient for key lines. In order to solve this problem, the analysis method of lightning striking on transmission lines for power grid reliability is given. Full wave process theory is used to analyze the lightning back striking; the leader propagation model is used to describe the process of shielding failure of transmission lines. The index of power grid reliability is introduced and the effect of transmission line fault on the reliability of power system is discussed in detail.
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页数：7
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