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http://dx.doi.org/10.6113/TKPE.2020.25.6.425

A PV-Module Integrated Phase Shift Full Bridge Converter for EV  

Hwang, Yun-Kyung (Dept. of Electrical Eng., Pohang Univ. of Science and Technology)
Nam, Kwang-Hee (Dept. of Electrical Eng., Pohang Univ. of Science and Technology)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.25, no.6, 2020 , pp. 425-432 More about this Journal
Abstract
The phase-shifted, full-bridge (PSFB) DC-DC converter is widely used in electric vehicles (EVs) to charge a low-voltage (12 V) battery from a high-voltage battery. A Photovoltaic (PV) module-integrated PSFB converter is proposed for the EV power conversion system. The converter is useful because solar energy can be utilized to extend the driving range. The buck converter circuit is simply realized by adding one switch to the conventional PSFB converter's secondary side. For the inductor and diode, the existing components in the PSFB converter are shared. The proposed converter can charge a low-voltage battery from the PV module with maximum power point tracking. In addition, the two power sources can be used simultaneously, and efficiency is increased by reducing the circulating current, which is a problem for the conventional PSFB converter.
Keywords
PSFB (Phase Shift Full Bridge) converter; PV (Photovoltaic) module; EV (Electric Vehicle);
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