分析了新型单相谐振阻抗型混合电力滤波器的工作原理及滤波特性。
The working principle of novel single-phase RITHAF (Resonant Impendent Type Hybrid Active filter) and its filtering characteristic are analyzed.
文中还提出了低压系统中只用正序阻抗表达的单相短路电流的简化计算公式。
In the paper, the reduced single phase short-circuit current equation expressing as positive sequence impi dance only is showed.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
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