The invention provides a winding control method and device of a driving motor, and an electric automobile, and relates to the field of motor winding connection. The winding control method of the driving motor comprises the following steps: obtaining the rotating speed of the driving motor, and judging the rotating speed type of the driving motor according to the rotating speed of the driving motor; determining a connection mode of winding coils of the driving motor according to the rotating speed type of the driving motor; and controlling the connection of the winding coils of the driving motor according to the connection mode of the winding coils of the driving motor. According to the winding control method of the driving motor provided by the embodiment of the invention, different connection modes of the winding coils of the driving motor are adopted according to different rotating speed control of the driving motor, so that the weak magnetic speed expansion capability of the driving motor is enhanced, and the driving motor with the same size can realize higher power density and torque density of the driving motor; and the connection mode of the winding coils of the driving motor has the advantages of being compact in structure, easy to control and good in economical efficiency, and the power safety of the whole vehicle is improved.

    本发明提供了一种驱动电机的绕组控制方法、装置及电动汽车,设计电机绕组连接领域,该驱动电机的绕组控制方法,获取驱动电机的转速,并根据所述驱动电机的转速,判断驱动电机转速类型;根据所述驱动电机转速类型,确定所述驱动电机绕组线圈的连接方式;根据所述驱动电机绕组线圈的连接方式,控制所述驱动电机绕组线圈的连接。本发明实施例的驱动电机的绕组控制方法,根据驱动电机的不同转速控制采用不同的驱动电机绕组线圈的连接方式,增强了驱动电机弱磁扩速能力,同体积大小的驱动电机,可以实现更大的驱动电机的功率密度和扭矩密度,且驱动电机绕组线圈的连接方式具有结构紧凑、易操控、经济性好的优点,提高了整车的动力安全性。


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    Titel :

    Winding control method and device of driving motor, and electric automobile


    Weitere Titelangaben:

    一种驱动电机的绕组控制方法、装置及电动汽车


    Beteiligte:
    LI LIANGHUI (Autor:in) / LUO HUALI (Autor:in) / ZHANG JIAN (Autor:in)

    Erscheinungsdatum :

    2021-07-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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