ARC WELDER WITH VARIABLE-FREQUENCY AUXILIARY POWER OUTPUT

An arc welding system includes a welding power supply having a switching type power converter. A welding electrode is connected to the switching type power converter to receive electrical energy therefrom and produce an electric arc. A variable-frequency auxiliary power supply supplies electrical en...

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Bibliographische Detailangaben
1. Verfasser:	Enyedy Edward A
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An arc welding system includes a welding power supply having a switching type power converter. A welding electrode is connected to the switching type power converter to receive electrical energy therefrom and produce an electric arc. A variable-frequency auxiliary power supply supplies electrical energy to an auxiliary load through an auxiliary power output of the arc welding system. An engine-generator is connected to the welding power supply and the variable-frequency auxiliary power supply, to supply electrical energy to the welding power supply to produce the arc, and to supply further electrical energy to the variable-frequency auxiliary power supply. A controller is operatively connected to the variable-frequency auxiliary power supply and is configured to control an output voltage frequency of the variable-frequency auxiliary power supply according to an auxiliary power supply frequency setting. The output voltage frequency of the variable-frequency auxiliary power supply is independent from engine speed of the engine-generator.