A Soft-Switching of DC?DC Converter Based on a Phase-Shift-Controlled Active Boost Rectifier
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 6 Issue 9, September 2017

A Soft-Switching of DC?DC Converter Based on a Phase-Shift-Controlled Active Boost Rectifier

Shivaleela, Nagabhushan Patil

This paper proposes a novel rectifiers named active boost rectifiers (ABRs) which are basically composed of a traditional diode rectifier and a bidirectional switch. However, the output voltage of the dcdc transformer cannot be regulated. If the output voltage of a dcdc transformer can be regulated high efficiency and high power density can be achieved. By adopting phase-shift control between the primary- and secondary-side switches, the output voltage regulation can be achieved when introducing the ABR to a dcdc transformer. As a result, a soft-switching dcdc converters is harvested. When the proposed converter operates in the soft-switching continuous conduction mode, zero-voltage switching (ZVS) performance for all the primary- and secondary side switches is achieved. When the converter operates in the discontinuous conduction mode, zero current switching (ZCS) for the primary-side switches and ZVS for the secondary-side switches are achieved. Furthermore, the diode reverse-recovery problem is alleviated by employing the ABR and phase-shift control scheme. As an example, the full-bridge converter with voltage-doubler ABR is analyzed to verify the proposed ABR concept and converters. The operation principles, voltage conversion ratio, and output Characteristics are analyzed in depth. Finally, experimental results are provided to verify the feasibility and effectiveness.

Keywords: Active boost rectifier ABR, DCDC converter, full-bridge converter FBC, soft switching, voltage doubler VD

Edition: Volume 6 Issue 9, September 2017

Pages: 1063 - 1067

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How to Cite this Article?

Shivaleela, Nagabhushan Patil, "A Soft-Switching of DC?DC Converter Based on a Phase-Shift-Controlled Active Boost Rectifier", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20176773, Volume 6 Issue 9, September 2017, 1063 - 1067

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