High voltage electricity transmission system thunder-proof property parameter test method
Title：
High voltage electricity transmission system thunder-proof property parameter test method
Application Number：
 200710121781
Application Date：
 2007/09/14
Announcement Date：
 2008/02/13
Pub. Date：
Publication Number：
 101122623
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G01R 31/00
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Chen Shuiming, He Jinliang, Xu Wei
Key Words：
 High voltage, electricity transmission, thunder-proof property, parameter, test method
Abstract：
 The invention relates to a testing method of anti-lightening performance parameters of high-voltage transmission system, pertaining to the anti-lightning technology in the art of electricians. First is to calculate the development probability Pi in i direction of a discharge channel each time, repeat the calculation, a lightning pilot develops forward to get the discharge channel; the second is to respectively calculate the number of lightning attacks on wire, lightning conductor and iron tower; at last, according to the number of lightning attack wires/total number of lightning attacks and the number of lightning attack iron towers/total number of lightning attacks, the attack rate and the counterattack rate are got. The calculation shows that calculating the transmission line by the invention, particularly the attack rate of super and ultra-high voltage lines is much closer to the actual operational result compared with the traditional rule method and electrical geometric model.
Claim：
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