Modified Dual-Buck Inverter Based on Resonant Link

Rong Chen; Jia-Sheng Zhang; Wei Liu

Modified Dual-Buck Inverter Based on Resonant Link

Rong Chen

Jia-Sheng Zhang

Wei Liu

Vol. 15, No. 6, pp. 1421-1428, Nov. 2015

10.6113/JPE.2015.15.6.1421

Dual-buck inverter

Pulse density modulation

Quasi-resonant link

Three-level hysteresis controller

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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.

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Cite this article

[IEEE Style]

R. Chen, J. Zhang, W. Liu, "Modified Dual-Buck Inverter Based on Resonant Link," Journal of Power Electronics, vol. 15, no. 6, pp. 1421-1428, 2015. DOI: 10.6113/JPE.2015.15.6.1421.

[ACM Style]

Rong Chen, Jia-Sheng Zhang, and Wei Liu. 2015. Modified Dual-Buck Inverter Based on Resonant Link. Journal of Power Electronics, 15, 6, (2015), 1421-1428. DOI: 10.6113/JPE.2015.15.6.1421.