Welding power regulator circuit diagram

Published:2011/8/11 1:05:00 Author:Ecco | Keyword: Welding power regulator | From:SeekIC

The welding power regulator circuit is composed of the control switch S, thyristor VT, two-way trigger diode V, potentiometer RP, resistors R1 ~ R3 and capacitors C1, C2, and it is shown as the chart. Adjusting the resistance of RP can change the charge rate of C1 to regulate the conduction angle of VT, then it can reach the purpose of adjusting the welding output power. R1 ~ R3 select the 1W metal film resistors. RP chooses the 2W organic solid potentiometer. C1 and C2 select th CBB capacitors with voltage in 630V. V uses the DB3 two-way trigger diode.



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