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电网技术  2011 

利用电压及电流双端测量信息的高压输电线路正序参数测量方法及应用

, PP. 103-107

Keywords: 高压输电线路,双端测量信息,正序参数,全球卫星定位系统

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Abstract:

本文提出了两种输电线路正序参数高精度测量新方法。详细介绍了新测量方法的数学模型。利用全球卫星定位系统(GPS)作为异地测量的同步信号,文中给出了同步测量系统的构成以及数字仿真结果。最后介绍了利用本文方法测量两条500?kV输电线路正序参数的情况,给出了测量结果,并与传统方法测量值进行了对比。数字仿真与实测结果表明本文提出的测量方法是可行的,测量精度高,完全能满足特高压长距离输电线路正序参数工程测量的要求。

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