The method for fault location of the parallel transmission lines on the same tower based on single-terminal current is proposed in this paper.
提出了一种基于同杆双回线单端电流量的故障测距方法。在故障状态下，双回线可以分解成同向网和环流网，其中环流网只与双回线有关，且两端电压为零。
Secondly, with the aid of developed 4TP-single-terminal-port transform device, capacitance value of single-terminal-port capacitor is measured by 4TP impedance instrument.
然后，借助于研制的精密四端对-单端口转换器，用四端对阻抗测量仪测量单端口电容器容量值；
Secondly, with the aid of developed 4TP-single-terminal-port transform device, capacitance value of single-terminal-port capacitor is measured by 4TP impedance instrument.
然后，借助于研制的精密四端对-单端口转换器，用四端对阻抗测量仪测量单端口电容器容量值；
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