A joint control method with variable ZVS angles for dynamic efficiency optimization in a WPC system for EVs under ZVS conditions, including: adjusting a phase-shift duty cycle of a secondary active rectifier to control a charging voltage and a charging current of EV's batteries through a charging voltage closed loop and a charging current closed loop, respectively; adjusting a power angle of the secondary active rectifier to control a ZVS angle of the secondary active rectifier through a secondary ZVS angle closed loop; adjusting a phase-shift duty cycle of a primary inverter to control a ZVS angle of the primary inverter through the primary ZVS angle closed loop; determining the current operating case of the WPC system and adjusting the ZVS angles of the primary inverter and the secondary active rectifier to automatically identify an optimal operating point with a maximum charging efficiency through the P&O method.


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    Title :

    JOINT CONTROL METHOD WITH VARIABLE ZVS ANGLES FOR DYNAMIC EFFICIENCY OPTIMIZATION IN WIRELESS POWER CHARGING FOR ELECTRIC VEHICLES


    Contributors:
    WANG YUE (author) / JIANG YONGBIN (author) / ZHAO CHENXU (author) / LI RUIBANG (author) / LIU YONGHUI (author) / WU MIN (author) / WANG LAILI (author) / YANG XU (author)

    Publication date :

    2021-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H03K PULSE TECHNIQUE , Impulstechnik



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