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电动汽车电机的转速由谁决定的？ —新能源电动汽车原理与结构
本视频讲解了电动汽车电机的转速是由定子旋转磁场决定的，而定子旋转磁场是由电机的磁极对数和电源的频率决定的，变频调速就是通过改变电机控制器中开关管的频率来改变电机的速度
新能源电动汽车维修培训、原理与结构15/1380
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