Electric welding machine no load electricity saver 3

Published:2011/6/30 20:30:00 Author:Nicole | Keyword: electric welding machine, electricity saver | From:SeekIC

The electric welding machine no load electricity saver circuit is composed of power supply circuit, delay trigger circuit and control implement circuit, it is shown in the figure 8-7. The power supply circuit is made of knife switch Q, fuse FU, the normally open contact of AC contactor KM, electric welding machine transformer T, rectifier diode VD1, filter capacitor C2, steady voltage diode VS1 and current limiting resistor R1. The delay trigger circuit consists of steady voltage diode VS2, VS3, potentiometer RP, resistors R2-R5, capacitor C3, diode VD2 and unijunction transistor VU.



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