取样信号板上rp3为二次电流取样讯号调整电位器。
RP3 on sampling signal panel is secondary sampling signal adjusted potentiometer.
另使用了一限流型过流保护电路来对输出电流进行限制，并通过改变电流取样电阻的大小来调节限流值的大小。
Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.
本文阐述一种以电流为取样讯号，采用阻容移相控制电路的异步电动机轻载节能器，在节电指标相仿的情况下，使线路大大简化。
The use of resistance and capacitor in phase-shift control circuit makes it much simpler when the electricity-saving targets are the same.
本文阐述一种以电流为取样讯号，采用阻容移相控制电路的异步电动机轻载节能器，在节电指标相仿的情况下，使线路大大简化。
The use of resistance and capacitor in phase-shift control circuit makes it much simpler when the electricity-saving targets are the same.
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