Li-Po Battery Charger Based on the Constant Current/Voltage Parallel Resonant Converter Operating in ZVS

Alberto M. Pernía, Juan Díaz-González, Miguel J. Prieto, José A. Fernández-Rubiera, Manés Fernández-Cabanas and Fernando Nuño-García
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Alberto M. Pernía: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain
Juan Díaz-González: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain
Miguel J. Prieto: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain
José A. Fernández-Rubiera: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain
Manés Fernández-Cabanas: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain
Fernando Nuño-García: Department of Electrical Engineering, University of Oviedo, 33203 Gijón, Spain

Energies, 2018, vol. 11, issue 4, 1-12

Abstract: Battery requirements for electrical vehicles are continuously becoming more demanding in terms of energy density and reliability. Nowadays, batteries for drones must be able to supply 100 A for 15 min, not to mention the specifications required for batteries in electrical vehicles. These specifications result in more stringent specifications for battery chargers. They are required to be more efficient, flexible, and, as with any another power equipment, to have reduced size and weight. Since the parallel resonant converter can operate as a current source and as a voltage source, this paper presents a battery charger power stage for lithium ion polymer batteries, based on the above topology, operating in zero voltage switching mode, and implementing frequency and duty cycle control.

Keywords: Li-Po Battery; light electrical vehicle; parallel resonant converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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