Static output characteristic of a peak current controlled arc welding machine

The voltage-current V-I static characteristic of a isolated full bridge DC-DC converter used as an electronic drive for a welding machine is described. The converter is peak-current controlled. The output current is indirectly measured through the primary. Some circuit limits as voltage drops in res...

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Bibliographic Details
Published in2006 49th IEEE International Midwest Symposium on Circuits and Systems Vol. 1; pp. 636 - 639
Main Authors Martinez, A., Blasco, N., Perez, F.J., Vicuna, J.E., Lacamara, I., Oliva, J. A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2006
Subjects
Bridge circuits
Circuit topology
Clocks
Consumer electronics
Current measurement
DC-DC power converters
Resonance
Switches
Voltage control
Welding
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Summary:The voltage-current V-I static characteristic of a isolated full bridge DC-DC converter used as an electronic drive for a welding machine is described. The converter is peak-current controlled. The output current is indirectly measured through the primary. Some circuit limits as voltage drops in resistances and electronic devices modifies the ideal V-I behavior. In this work the nonlinearities are discussed and some solutions to improve the shape are given. Simulated and experimental test confirm the improvements applied.
ISBN:1424401720
9781424401727
ISSN:1548-3746
1558-3899
DOI:10.1109/MWSCAS.2006.382143