DocumentCode :
150388
Title :
Magnetic integration of LCC compensated resonant converter for inductive power transfer applications
Author :
Junjun Deng ; Weihan Li ; Siqi Li ; Mi, Chris
Author_Institution :
Sch. of Autom., Northwestern Polytech. Univ., Xi´an, China
fYear :
2014
fDate :
14-18 Sept. 2014
Firstpage :
660
Lastpage :
667
Abstract :
The aim of this paper is to present a novel magnetic integrated LCC series-parallel compensation topology for the design of both the primary and pickup pads in inductive power transfer (IPT) applications. A more compact structure can be realized by integrating the inductors of the compensation circuit into the coupled power-transmitting coils. The impact of the extra coupling between the compensated coils (inductors) and the power-transferring coils is modeled and analyzed. The basic characteristics of the proposed topology are studied based on the first harmonic approximation (FHA). High-order harmonics are taken into account to derive an analytical solution for the current at the switching instant, which is helpful for the design of soft-switching operation. An IPT system with up to 5.6kW output power for electric vehicles (EV) charger has been built to verify the validity of the proposed magnetic integrated compensation topology. A peak efficiency of 95.36% from DC power source to the battery load is achieved at rated operation condition.
Keywords :
coils; compensation; electric vehicles; inductive power transmission; resonant power convertors; LCC compensated resonant converter; LCC series parallel compensation topology; compensation circuit; coupled power transmitting coils; efficiency 95.36 percent; electric vehicles charger; first harmonic approximation; high order harmonics; inductive power transfer applications; magnetic integration; power transferring coils; Coils; Couplings; Inductance; Inductors; Magnetic flux; Magnetic resonance; Topology;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2014 IEEE
Conference_Location :
Pittsburgh, PA
Type :
conf
DOI :
10.1109/ECCE.2014.6953458
Filename :
6953458
Link To Document :
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