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同塔多回输电线路雷击同时跳闸特征研究

DOI: 10.16188/j.isa.1003-8337.2015.04.013, PP. 65-69

Keywords: 同塔多回,同时闪络,ATP

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Abstract:

依据220kV同塔双回线路和220/110kV同塔四回线路典型塔计算参数,将一个工频工作电压周期12等分,利用ATP软件计算在不同等分点处即雷击发生在电源不同工作电压初始相位角时的单回和双回闪络耐雷水平及跳闸率,并比较正常情况及允许一回闪络情况下的各相闪络耐雷水平和跳闸率的差异,得到典型同塔多回线路的雷击同时跳闸特征。220kV同塔双回线路发生雷击单回及双回闪络主要分布在上中相导线的绝缘子串上。

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