Electric welding machine no load electricity saver 12

Published:2011/6/30 22:00:00 Author:Nicole | Keyword: electric welding machine, electricity saver | From:SeekIC

The electric welding machine no load electricity saver circuit is composed of current detection circuit, power supply circuit and switch control circuit, it is shown in the figure 8-16. The current detection circuit is made of current transformer TA, rectifier diode VD5, transistor V2, potentiometer RP2 and some peripheral devices. The power supply circuit consists of capacitor C5, power switch Q, signal transformer T1, rectifier diodes VD1-VD4, VD6, VD7, steady voltage diode VS and filter capacitors C1-C3. The switch control circuit is composed of transistor V1, relay K and AC contactor KM.



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