It measures excess phase of voltage current by using digital circuit, Based on the reactive compensationtheorem, 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。
2
It measures excess phase of voltage and current by using digital circuit, Based on the reactive compensationtheorem, the software and hardware of the controller is deigned.