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Seminar: Investigation of high-performance DC-DC converters for plug-in hybrid electric vehicle battery chargers

April 6, 2015 @ 11:00 am - 12:00 pm


Plug-in Hybrid Electric Vehicles (PHEVs) and Electric Vehicles (EVs) are an emerging trend in automotive circles, and consumer interest is growing rapidly. With the development of PHEVs, battery chargers for automotive applications are becoming a large market for the power supply industry. The most common charger power architecture includes an ac-dc converter with power factor correction (PFC) followed by an isolated dc-dc converter. As a key component of a charger system, the dc-dc converter must achieve high efficiency and power density.


This talk mainly focuses on the dc-dc converter stage only and in order to meet high efficiency, high power density and a cost-effective solution, various dc-dc topologies have been investigated and proposed for battery charging application. In this research work two new full-bridge dc-dc converter topologies (one with inductive and another with capacitive output filter) operating with a trailing edge pulse width modulation (PWM) gating scheme are investigated.


Near the end of the presentation, I will also present about some on-going projects and future directions of my research work.


Deepak S. Gautam is a senior member of IEEE and received his B.E. degree in electronics engineering from Mumbai University, Mumbai, India, in 2000, M.A.Sc. degree in electrical engineering from the University of Victoria, Victoria, BC, Canada, in 2006 and his Ph.D. degree in electrical engineering in the field of power electronics from The University of British Columbia, Vancouver, BC, Canada.


From 2000 to 2003, he worked as a Research and Development Engineer for the Power Conversion and Control Division, Aplab Ltd., Mumbai, where he was involved in the development of linear, switch-mode, and programmable power supplies for industrial and telecom applications. Since 2007, he has been with Delta-Q Technologies Corporation, Burnaby, BC, as a Power Electronics Engineer, where his main responsibility is to develop high-frequency switch-mode battery chargers for automotive and industrial applications. He is the author of more than 20 journal and conference proceeding papers. His research interests include dc–dc converters, ac–dc power factor correction converters, resonant converters, feedback control circuits and thermal management.


Dr. Gautam is a member of the IEEE Power Electronics Society and Industrial Electronics Society. He has received the University of Victoria fellowship, the Andy Farquharson award for excellence in graduate student teaching and best poster presentation award at the APEC 2012 conference in Orlando, FL, USA. He also has won travel grants from the Power Source Manufacturer’s Association, the IEEE Industry Application Society, and Power Electronics Society to present papers at conferences.


April 6, 2015
11:00 am - 12:00 pm
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3033 Lassonde Building
York University
North York, Ontario M3J Canada
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