电动汽车动力总成驱动电机及控制器故障

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【Abstract】Thisarticle proposes a troubleshooting method based on practical operation for typical faults in the drive motorandcontrollerof theelectricvehicle powertrain.Byclarifying theuse processof inspection tols，breaking down maintenance techniquesstep by step，and documenting typical case repair records，a technical guide that can be directly applied to the maintenance workshop is formed.

【Keywords】 drive motor；controller MCU；troubleshooting；powertrain

1典型故障现象分类与快速识别

1.1 驱动电机常见故障现象

驱动电机的典型故障现象主要包括异响振动、动力骤降及过热三类。（剩余3152字）