ARC-WELDING POWER SOURCE

A multi-phase SCR-rectifier controlled arc welding power source having improved operating and internal protection characteristics. The transformer has an improved core and winding design having a built-in internal reactance and a core arrangement which is scrapless and very compact. The output has a...

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Bibliographic Details
Main Authors W.C. DOWNING, K.A. GOLONKA, W.E. HOFFMAN
Format Patent
LanguageEnglish
Published 26.04.1979
Subjects
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
BASIC ELECTRIC ELEMENTS
CLADDING OR PLATING BY SOLDERING OR WELDING
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELECTRICITY
GENERATION
INDUCTANCES
MACHINE TOOLS
MAGNETS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
SOLDERING OR UNSOLDERING
TRANSFORMERS
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:A multi-phase SCR-rectifier controlled arc welding power source having improved operating and internal protection characteristics. The transformer has an improved core and winding design having a built-in internal reactance and a core arrangement which is scrapless and very compact. The output has an adjustable, drooping, volt-ampere curve such that the welding current may be readily preset or adjusted to any desired value.
Bibliography:Application Number: AU19750081805