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外串联间隙线路避雷器在同塔双回线路中的应用

, PP. 59-63

Keywords: 雷击线路,雷击跳闸,杆塔,纯空气间隙避雷器

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Abstract:

2007年4月1日,因雷击造成商丘区域铁路牵引站的两条110kV同塔双回输电线路同时跳闸,牵引站失压7min,针对该次事件,河南商丘供电公司从解决同塔双回线路雷击同时跳闸和保障牵引站的供电可靠性方面,进行了充分调研、论证,采取将外串联(纯)间隙(金属氧化物)线路避雷器安装在输电线路的易击段作为防雷措施,结果表明:近年来,已安装外串联(纯)间隙(金属氧化物)线路避雷器的杆塔未发生雷击跳闸。

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