Source of power for arc welding

Details Source of power for arc welding Source of power for arc welding

1984-11-19

1986-01-14

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913033, 219137PS, 363 71, B23K 910

Patent

active

045647429

ABSTRACT:
Power sources for welding applications and the like are provided in accordance with the teachings of the present invention. An inverter arrangement comprising a plurality of inverters, having inputs connected in series, receive portions of a d.c. load from a plurality of series connected smoothing capacitors. The smoothing capacitors are connected to form a voltage divider and apply the resulting portions of the d.c. load to the plurality of inverters. This enables the plurality of inverters to be dimensioned in a manner so as to withstand the smaller portions of the d.c. load resulting from the voltage division.

REFERENCES:
patent: 3728516 (1973-04-01), Daspit
patent: 4062057 (1977-12-01), Perkins et al.
patent: 4276590 (1981-06-01), Hansel et al.
patent: 4503316 (1985-03-01), Murase et al.

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