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电网技术  2009 

特高压交流输电线路工频参数测量技术及应用

, PP. 72-76

Keywords: 工频变向量法,并联补偿加压技术,分布参数,单端测量p模型,变异系数

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Abstract:

文章提出一种综合抗干扰电压的线路参数测量新方法,该方法基于工频变向量法和并联补偿加压技术,采用单端测量p模型,计及线路分布参数特性,仅用单端测量数据就可得出线路阻抗和容抗间的相互影响。该方法采用变异系数作为判别测量结果是否可信的指标。对特高压交流输电线路工频参数的实测与计算结果表明,文中所提出的方法有效可行。

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