ARC WELDING DEVICE

The welding machine, for supplying the load current utilizing an electronic control circuit with which a leakage transformer is substituted, includes a phase synchronous signal generator (1) for synchronizing the input signal to the load (10) with the load and for generating triangular signal by int...

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Bibliographic Details
Main Author CHUNG JAE-RYUN
Format Patent
LanguageEnglish
Published 17.02.1990
Edition5
Subjects
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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Summary:The welding machine, for supplying the load current utilizing an electronic control circuit with which a leakage transformer is substituted, includes a phase synchronous signal generator (1) for synchronizing the input signal to the load (10) with the load and for generating triangular signal by integrating the wave shaped synchronized input signal, an error signal detector (2) for detecting the error signal corresponding to the load current, a comparator (4) for generating a rectangular signal having an impact coefficient which is determined by the load current, and a current controller driving circuit (5) for modulating the rectangular signal to the impulse signal.
Bibliography:Application Number: KR19860007264