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In previous work, a novel design of a 2.5kW 400V-12V 93.2%-efficiency DC/DC converter with a triggering angle tracking synchronous rectifier was proposed for use in an electric vehicle to replace the electric alternator. This paper is focused on the further enhancement of the DC/DC converter to improve the system efficiency and wide-range input/output performance.
A non-isolated single-stage on-board charger (OBC) for electric vehicles (EVs) has been proposed in order to satisfy high efficiency and high power density. However, the conventional works could not achieve high efficiency according to the voltage variation of the utility and the battery, especially during the step-down operation. This paper proposes an advanced control algorithm to improve the system...
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