Embodiments of the present application provide a battery heating apparatus and control method thereof, control circuit and power plant, which is capable of effectively heating a power battery. The battery heating apparatus includes a voltage transformation module and a control module. The voltage transformation module includes: a first voltage transformation circuit, and a first switch module connected to the first voltage transformation circuit, the first voltage transformation circuit being configured to connect a charging apparatus; and a second voltage transformation circuit, as well as an energy storage element and a second switch module connected to the second voltage transformation circuit, the second voltage transformation circuit being configured to connect the power battery. The control module is configured to control, in a first heating mode, the first switch module to turn off the first voltage transformation circuit, and control the second switch module so that the second voltage transformation circuit and the energy storage element form a loop for discharging from the power battery to the energy storage element and a loop for charging the power battery by the energy storage element, for heating the power battery during discharging and charging.


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    Title :

    BATTERY HEATING APPARATUS AND CONTROL METHOD AND CONTROL CIRCUIT THEREFOR, AND POWER APPARATUS


    Additional title:

    BATTERIEHEIZVORRICHTUNG UND STEUERUNGSVERFAHREN UND STEUERUNGSSCHALTUNG DAFÜR SOWIE LEISTUNGSVORRICHTUNG
    APPAREIL DE CHAUFFAGE DE BATTERIE ET PROCÉDÉ DE COMMANDE ET CIRCUIT DE COMMANDE ASSOCIÉS, ET APPAREIL D'ALIMENTATION


    Contributors:
    LI ZHANLIANG (author) / YAN YU (author) / DAN ZHIMIN (author) / ZHAO YUANMIAO (author) / CHEN XINWEI (author) / GAO JINFENG (author) / HUANG XIAOJIAN (author)

    Publication date :

    2024-05-08


    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



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