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Motor light load energy saver 2

2016-09-03 11:32  
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Motor light load energy saver 2
The motor light load energy saver circuit is composed of power supply circuit, current sampling detection circuit and control circuit, it is shown in the figure 8-2. The power supply circuit is made of power transformer T, voltage regulation tube VS, rectifier diode VD2, resistor R4 and filter capacitors C1, C2. The control circuit consists of power supply switch Q, stop button S1, starter button S2, transistors V1, V2, relay K, time relay KT, AC contactor KM1, KM2.