The invention belongs to the technical field of vehicles, and discloses a motor thermal protection control method, device and equipment and a storage medium. The method is applied to the motor system, the motor system comprises a motor controller, a motor and a motor water outlet temperature sensor, and the motor controller comprises a temperature sensor. Determining an initial motor temperature according to the current water outlet temperature and the motor temperature increment; when the controller temperature is within a preset controller temperature range, determining a target motor output torque according to the initial motor temperature; and controlling the motor according to the target motor output torque. Through the method, the motor system can work reliably and safely in various application scenes and working conditions, the system diagnosis requirement of the motor system under the motor over-temperature fault is met, the material cost of the motor is reduced, and the reliability of the motor thermal protection control method is ensured.

    本发明属于车辆技术领域,公开了一种电机热保护控制方法、装置、设备及存储介质。所述方法应用于电机系统,所述电机系统包括电机控制器、电机以及电机出水口温度传感器,所述电机控制器包括温度传感器,本发明通过获取电机的当前出水口温度和控制器温度;根据所述当前出水口温度和电机温度增量确定初始电机温度;在控制器温度处于预设控制器温度范围时,根据所述初始电机温度确定目标电机输出扭矩;根据所述目标电机输出扭矩对所述电机进行控制。通过上述方法使电机系统在各种应用场景和工况下可靠和安全工作,满足电机系统电机过温故障下的系统诊断需求,降低了电机的材料成本,保证了电机热保护控制方法可靠性。


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    Title :

    Motor thermal protection control method, device and equipment and storage medium


    Additional title:

    电机热保护控制方法、装置、设备及存储介质


    Contributors:
    ZHANG HONGXIA (author) / ZHU HUIXI (author) / ZHAO YANXIN (author) / DENG LIMEI (author) / XU YAN (author)

    Publication date :

    2024-08-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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