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电网技术  2011 

500kV同塔双回紧凑型输电线路输电能力分析

, PP. 114-119

Keywords: ?500,kV,同塔双回紧凑型输电线路,线路输电能力,模拟电荷法,模拟电流法,坡印亭矢量

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Abstract:

为确定线路输电能力随相导线分裂根数、相间距、相导线对地高度等参数变化的规律,以500kV同塔双回紧凑型输电线路为例,分析了输电线周围工频电场强度、工频磁场强度和坡印廷矢量的分布情况,并从电磁能量传输本质出发分析了在满足输电线路不全面起晕的条件下线路输电能力随各参数变化的规律。研究结果可为相关参数选择提供理论依据,为优化输电线路设计方案提供参考。

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