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Modified Dual-Buck Inverter Based on Resonant Link
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  • Journal title : Journal of Power Electronics
  • Volume 15, Issue 6,  2015, pp.1421-1428
  • Publisher : The Korean Institute of Power Electronics
  • DOI : 10.6113/JPE.2015.15.6.1421
 Title & Authors
Modified Dual-Buck Inverter Based on Resonant Link
Chen, Rong; Zhang, Jia-Sheng; Liu, Wei;
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 Abstract
The efficiency and reliability of the dual-buck inverter (DBI) were greatly improved by eliminating the shoot-through problem and optimally designing the freewheeling diode. The traditional DBI suffers from large harmonic components with low output voltage and large capacity output filter inductor. To overcome the aforementioned disadvantages, a modified DBI (MBDI) was proposed by adopting a quasi-resonant link and pulse density modulation (PDM). This paper first introduces the working principle of the MBDI and PDM, and then the selection principle of system parameters is presented. Finally, a mathematical model of the MBDIis built, and an experiment prototype is set up. Simulation and experimental results verify the correctness of the theoretical analysis and the feasibility of the scheme.
 Keywords
Dual-buck inverter;Pulse density modulation;Quasi-resonant link;Three-level hysteresis controller;
 Language
English
 Cited by
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