Electric welding machine no load electricity saver 4

Published:2011/6/30 20:40:00 Author:Nicole | Keyword: electric welding machine, electricity saver | From:SeekIC

The electric welding machine no load electricity saver circuit is composed of +12V power supply circuit, current detection control circuit, dalay control circuit and control implement circuit, it is shown in the figure 8-8. The +12V power supply circuit is made of knife switch Q, fuse FU, power transformer T1, bridge rectifiers UR and filter capacitor C2. The dalay control circuit consists of resistor R7, capacitors C3, C4, time base integrated circuit IC, relay K, AC contactor KM and diode VD5. T2 is electric welding machine transformer, the energy saving circuit is composed of R1, R8, C1.



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