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电网技术  2011 

1000kV特高压输电线路导线排列方式和换位对地线能耗的影响

, PP. 21-24

Keywords: 特高压输电线路,导线排列方式,导线换位,地线能量损耗

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Abstract:

以1000kV锡盟—南京特高压输电线路工程为例,采用ATP-EMTP软件建立仿真计算模型,分析了1000kV特高压输电线路工程中导线排列方式、线路长度及换位方式对地线能量损耗的影响。通过仿真发现,换位后地线上的感应电流可以减小30%,有效实现节能降损,经济优势显著。通过能量损失及经济性比较,推荐在逆相序排列方式下1000kV双回输电线路超过80km宜进行1次全循环换位。

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