DC source for arc welding with soft-switching current-mode controlled DC-DC converter

J Dudrik, P Bauer

    Research output: Contribution to journalArticleScientific


    Design of a soft-switching, current-mode controlled dc-dc converter for arc welding is described in the paper. The arc welder based on switch-mode dc-dc power supply utilises current-mode control for improving working performance of the current source. The switching power losses are decreased to minimum using non dissipative turn-off snubber. The operation and performance of the proposed dc current source was verified on the 3 kW laboratory model of the welder. High efficiency up to 90% is achieved at nominal current of 120A.
    Original languageUndefined/Unknown
    Pages (from-to)162-169
    Number of pages8
    JournalInternational Review of Electrical Engineering
    Issue number1
    Publication statusPublished - 2006


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