Single-Stage Battery Charger Based on a LLC Resonant Converter – A Concept Study

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SingleStage Battery Charger Based on a LLC Resonant Converter A Concept Study L Keuck B Strothmann R Hermelingmeier N Frhleke and J Bcker Power Electronics and Electrical Drives University of Paderborn 33095 Paderborn Germany Email keuckleaupbde AbstractIt has been a common practice to charge batteries with pure a DC current Thus chargers require a large elec trolytic capacitor bank to suppress the low frequency components from entering into the battery However according to recent stud ies a pu......