ZHANG Zhi-jin, LIAO Rui-jin, SIMA Wen-xia. CALCULATION AND ANALYSIS OF THE LIGHTNING PROTECTION PERFORMANCE OF BACK STRIKING FOR 500 kV DOUBLE-CIRCUIT TRANSMISSION LINE[J]. High voltageapparatus, 2003, (5): 20-22+28.
ZHANG Zhi-jin, LIAO Rui-jin, SIMA Wen-xia. CALCULATION AND ANALYSIS OF THE LIGHTNING PROTECTION PERFORMANCE OF BACK STRIKING FOR 500 kV DOUBLE-CIRCUIT TRANSMISSION LINE[J]. High voltageapparatus, 2003, (5): 20-22+28.DOI:
同杆双回交流500kV输电线路反击耐雷性能的计算及分析
摘要
利用EMTP程序对同杆双回交流500kV输电线路的反击耐雷性能进行了详细的计算和分析
并考虑到雷击塔顶时导线上交流周期电压的随机性
提出了利用统计法确定超高压线路的反击耐雷性能。
Abstract
This paper details the lightning protection performance of back striking for an AC 500 kV double-circuit transmission line by EMTP. A statistical method is brought forward with considering the randomness of working voltage’s phase in the case of lightning striking the top tower.