This paper proposes an HB-2LLC resonant converter with hybrid rectifier to realize wide output voltage control range (100-420 V) for plug-in electric vehicle (PEV), on-board battery charging. The converter has two resonant tanks, each connected with one of the two primary windings of transformer. The two resonant tanks are alternately fed from 400 V dc source by operating two power switches, each with a half switching cycle. The hybrid rectifier connected at the secondary of transformer can be operated as a bridge rectifier or voltage doubler. It operates as a bridge rectifier to achieve output voltage range of 100-250 V for deeply depleted battery charging, and as a voltage doubler to achieve output voltage range of 250-420 V for normal battery charging. To validate the operation and performance of converter, a laboratory prototype rated at 1.5 kW output power and 400 V input dc voltage was designed and implemented. The presented results show that with combined mode changing and frequency control, the converter achieves an output voltage range of 100-420 V. The peak efficiency of converter was measured to be 95.21% at a peak power of 1.5 kW. Thus, the proposed converter is suitable for PEV battery charging application.


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    Title :

    A Wide Output Range HB-2LLC Resonant Converter With Hybrid Rectifier for PEV Battery Charging


    Contributors:


    Publication date :

    2017-06-01


    Size :

    3151209 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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