This paper presents a circuit structure for electric vehicle battery chargers. The AC-DC stage employs boost APFC circuit which can convert 220 V AC voltage to 400 V DC voltage with very low-input THD. In order to convert 400 V DC voltage to 44–64 V, an improved phase-shift full-bridge soft switching ZVS PWM converter added by two clamping diodes and one resonant inductor is presented. All main switches of the improved converter can achieve ZVS at full load variation, and the oscillation and voltage spikes across the output rectifier diodes at the secondary side of the transformer can be significantly reduced. Thus, the charger system has high efficiency and compact structure merits. Performance of the proposed circuit is verified by experimental results for a 1.5 kW prototype.


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    Title :

    Analysis and Implementation of High Efficiency High Power Density Battery Charger for Electric Vehicle


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Jia, Limin (editor) / Qin, Yong (editor) / Liu, Baoming (editor) / Liu, Zhigang (editor) / Diao, Lijun (editor) / An, Min (editor) / Yang, Jie (author) / Zhang, Zhijie (author) / Cai, Zongju (author) / Yao, Yu (author)

    Conference:

    International Conference on Electrical and Information Technologies for Rail Transportation ; 2019 ; Qingdao, China October 25, 2019 - October 27, 2019



    Publication date :

    2020-04-08


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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