Paper Title:
The Study of Arc Welding Power Circuit Based on Forward Converter with LCD Nondissipative Snubber
  Abstract

Through the study of double switch forward converter, an arc welding power circuit with LCD nondissipative snubber is designed by using IGBT as its power switch. The operating principle of this converter is analyzed in detail; the design considerations of key circuit parameters for the topology are introduced. The LCD nondissipative snubber can not only suppress the voltage spike, but also reduce switching loses and improve power density and efficiency. Furthermore, the snubber itself is lossless. The paper provides the foundation of researching high efficiency power circuit based on Interleaving Two-Transistor converter. The experiment results of the prototype coincide with the theoretical analysis and the validity of analysis approach is proved.

  Info
Periodical
Edited by
Honghua Tan
Pages
1045-1050
DOI
10.4028/www.scientific.net/AMM.66-68.1045
Citation
P. F. Huang, C. L. Zhang, L. J. Sha, S. J. Wang, "The Study of Arc Welding Power Circuit Based on Forward Converter with LCD Nondissipative Snubber", Applied Mechanics and Materials, Vols. 66-68, pp. 1045-1050, 2011
Online since
July 2011
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