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电网技术  2014 

交流特高压半波长输电线路绝缘配合研究

DOI: 10.13335/j.1000-3673.pst.2014.04.040, PP. 1082-1086

Keywords: 特高压,半波长交流输电,输电线路,绝缘配合

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Abstract:

交流特高压半波长输电是一种大容量、远距离的输电方式,在我国具有广阔的应用前景。绝缘配合研究是半波输电应用于工程建设的基础。首先,根据传输线模型,计算半波输电线路沿线的稳态电压;然后应用爬电比距法研究线路的绝缘配置方法;通过计算50%放电电压值,确定线路的工频电压空气间隙距离;最后,对操作过电压和雷电过电压,推荐相应的空气间隙距离取值。研究结果可为特高压半波长交流输电工程的实施提供技术支撑。

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