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DU Xian-chang, DENG Zhan-feng, DU Xu-chang, BAI Zhi-fan. Mathematical model of new LCL-type main circuit of resonant type soft-switching arc welding inverted power source[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2004, (1): 111-114,118.
Citation: DU Xian-chang, DENG Zhan-feng, DU Xu-chang, BAI Zhi-fan. Mathematical model of new LCL-type main circuit of resonant type soft-switching arc welding inverted power source[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2004, (1): 111-114,118.

Mathematical model of new LCL-type main circuit of resonant type soft-switching arc welding inverted power source

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  • Received Date: May 05, 2003
  • The dissimilarity between the new LCL-type main circuit of soft-switch inverted welding power source and the basic LCL-type is introduced. Mathematical model of new LCL-type of the resonant soft-switch inverted welding power source is established,and analyzed by Matlab soft-ware. In order to test and verify the mathematical model, calculating results of mathematical model is compared with testing results. The arc welding power source has not only high efficiency of series resonant in the whole load range, but also broader soft-switch range. The duty cycle loss of the seconding transformer is eliminated.
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