It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.

该控制器采用数字检测电路来获取电网电压与电流的相位差，从无功补偿的原理出发，设计控制器的软硬件。

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It measures excess phase of voltage and current by using digital circuit, Based on the reactive compensation theorem, the software and hardware of the controller is deigned.

该节制器采用数字检测电路来获取电网电压与电流的相位差，年夜无功抵偿的事理出发，设计节制器的软硬件。

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