Arc welding power source

Details Arc welding power source Arc welding power source

1995-10-27

1997-03-18

Shaw, Clifford C.

Electric heating

Metal heating

By arc

B23K 910

Patent

active

056119500

ABSTRACT:
An arc welding power source comprises a pair of rectifiers connected in parallel with each of double star connection three phase rectifying circuits and a capacitor connected in parallel with the entire rectifying circuit without a DC reactor. As a result, the arc welding power source can supply stable welding current having a smooth waveform and enough short circuit current.

REFERENCES:
patent: 3337769 (1967-08-01), Buchanan
patent: 3339107 (1967-08-01), Aldenhoff
patent: 3345552 (1967-10-01), Aldenhoff
patent: 3665149 (1972-05-01), Sakabe et al.
patent: 3984654 (1976-10-01), Hoffman et al.
patent: 4071885 (1978-01-01), Bilczo et al.
patent: 4392045 (1983-07-01), Gilliland

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