Embodiments of this application provide a traction battery heating circuit, system, and control method, and an electric device. The traction battery heating circuit includes: a power supply module, including at least one battery group; an inverter module, connected to the power supply module and including an M-phase leg circuit, where the leg circuit is connected in parallel to the battery group, and M is an even multiple of three; a driving module, including a motor having M windings, where the M windings are respectively connected to M phase legs of the leg circuit in one-to-one correspondence; and a control module, connected to the leg circuit, configured to control upper legs of at least three phase legs in the leg circuit and lower legs of the same number of phase legs in remaining legs to be turned on, so that the power supply module, the inverter module, and the driving module form a charge loop and a discharge loop that are alternately switched. This application can achieve rapid heating of batteries of power supply modules for original multi-phase motors.


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    Titel :

    POWER BATTERY HEATING CIRCUIT, SYSTEM, CONTROL METHOD, AND ELECTRICAL DEVICE


    Weitere Titelangaben:

    LEISTUNGSBATTERIEHEIZSCHALTUNG, SYSTEM, STEUERVERFAHREN UND ELEKTRISCHE VORRICHTUNG
    CIRCUIT DE CHAUFFAGE DE BATTERIE D'ALIMENTATION, SYSTÈME, PROCÉDÉ DE COMMANDE ET DISPOSITIF ÉLECTRIQUE


    Beteiligte:
    HUANG JIN (Autor:in) / HUANG XIAOJIAN (Autor:in) / GAO JINFENG (Autor:in) / DAN ZHIMIN (Autor:in)

    Erscheinungsdatum :

    2024-04-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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