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Motor underloading energy saver circuit diagram 1

2016-09-04 22:28  
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Motor underloading energy saver circuit diagram 1
The motor underloading energy saver circuit is composed of the power supply circuit, current sampling circuit, phase sequence indication circuit, control amplifier circuit and other components, and the circuit is shown as the chart. Power supply circuit is composed of the power transformer T, rectifier diodes VD1 ~ VD4 and filter capacitor C2 and so on. Current sampling circuit consists of the current transformer TA, Zener diodes VS1 and VS2, resistor Ⅲ and diodes VD5 ~ VD8 and so on. Phase sequence indicating circuit is composed of the neon light HL, resistors R1 ~ R3, capacitor C1 and so on. Control amplifier circuit consists of the transistors V1 and V2, resistors R5 ~ R9, potentiometer RP, capacitors C4 and C5 and the relay K1 and so on. LT1 ~ LT3 are saturable reactors.