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Reconfigurable three state dc-dc power converter forthe wide output range applications
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.ORCID iD: 0000-0002-8379-7136
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
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2019 (English)In: IECON2019, Lisbon: IEEE, 2019Conference paper, Published paper (Refereed)
Abstract [en]

Improving the dc voltage gain of power convertershas been the primary focus of the current and past research in thearea of power electronics. This work presents another solution towiden the range of the output voltage. It proposes threereconfigurable steps for the output voltage. The range of theoutput voltage varies up to four times the base level. Theseconfigurations together vary the output voltage from 15 to 96 volts.A soft switched dc-dc power converter is built with the traditionaltopology of phase shifted full bridge converter along withimproved characteristics. For better management of thetransformer loss, a configuration of four transformers has beenemployed. The proportional gate drive approach is implementedto obtain four similar isolated blocks of the output voltage. Thismakes it possible to either configure these blocks all in series,parallel or in series/ parallel combination of two. The concept isverified in a low-profile prototype. The hardware is characterizedup to the load power of 1kW for the input voltage of 400Vdc. Theconverter reports better efficiency over the complete range ofoutput voltage.

Place, publisher, year, edition, pages
Lisbon: IEEE, 2019.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-37646OAI: oai:DiVA.org:miun-37646DiVA, id: diva2:1368760
Conference
45th Proceedings of inductrial electronics, Libson, Portugal
Available from: 2019-11-08 Created: 2019-11-08 Last updated: 2019-11-08

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Bakar, Muhammad AbuAlam, Farhan MuhammadBarg, SobhiBertilsson, Kent

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Bakar, Muhammad AbuAlam, Farhan MuhammadBarg, SobhiBertilsson, Kent
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