Title :
Lightning trip-out risk evaluation of a 220kV transmission line in Shiyan
Author :
Sun Tao ; Liu Hua ; Qi Yulong ; Li Han ; Zhou Wenjun ; Yu Jianhui
Author_Institution :
Hubei Province Shiyan Power Co., State Grid, Shiyan, China
Abstract :
The lightning trip-out accidents of Shiyan transmission lines occur frequently. The lightning parameters, lightning faults and geography of 220kV shi-xuan transmission line have been collected. The lightning striking simulation model has been built by using electromagnetic transient calculation software ATP-EMTP and multi-wave impedance model. The lightning withstanding level of tower and the lightning trip-out rate have been calculated. The actual operation of the transmission line has been considered in order to evaluate the risk of lightning trip-out. The results can provide guidance for the lightning protection of transmission linewhich locates in mountains.
Keywords :
lightning protection; poles and towers; power engineering computing; power transmission faults; power transmission lines; power transmission protection; ATP-EMTP electromagnetic transient calculation software; Shiyan transmission lines; lightning faults; lightning parameters; lightning protection; lightning striking simulation model; lightning trip-out accidents; lightning trip-out rate calculation; lightning trip-out risk evaluation; lightning withstanding level; multiwave impedance model; voltage 220 kV; EMTP; Educational institutions; Equations; Impedance; Lightning; Mathematical model; Poles and towers; ATP-EMTP; Lightning Trip-Out Risk Evaluation; multi-wave impedance model; transmission lines;
Conference_Titel :
Lightning Protection (ICLP), 2014 International Conference o
Conference_Location :
Shanghai
DOI :
10.1109/ICLP.2014.6973367
