FIELD: manual and automatic electric arc welding; applicable in all branches of national economy and household. SUBSTANCE: the offered device has main rectifier with flat characteristic and comparably low-power auxiliary servo rectifier. Main rectifier is low-voltage with power and voltage adequate for maintaining stable welding arc. Auxiliary rectifier is made with semiflat characteristic and automatically regulated ballast resistive load controlled by active switch member and cut in series with the main load. EFFECT: higher efficiency. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WELDING CURRENT RECTIFIER | 0 |
|
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| WELDING MACHINE | 2022 |
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| SMALL-SIZE ELECTRIC WELDING APPARATUS | 1997 |
|
RU2114725C1 |
