本文依据法拉第电磁感应定律，利用电路变量的参考方向，找出了获得任意情形下互感线圈v - A方程的一种方法。

According to Faraday's Law of Electromagnetic Induction, using the reference direction of circuit variation, it can find a method of V-A Equation made by mutual inductive circle at its option.

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仪器适用于测试电缆、电容器、互感器、套管和高压电机的线圈等。

This instrument is appropriate for testing cables, capacitors, transformers, bushings, coils of high voltage machines, etc.

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通过电磁理论分析，提出了一种基于印刷电路板(PCB)的平面型空心线圈电流互感器。

By electromagnetic theory analysis, this paper presented a planar hollow coil current transformer based on printed circuit board (PCB).

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