Many motors are characterized by its constant torque-speed characteristic during starting.
许多电动机在启动时的扭矩转速特性几乎不变。
Many motors do have a nearly constant torque-speed characteristic during starting.
许多电动机在启动时的扭矩转速特性几乎不变。
The ideal power characteristic for traction motor system is put forward from the vehicle driving point with constant torque drive below base speed and constant power drive above base speed.
从整车驱动角度分析提出了电动汽车电机驱动系统的理想动力特性：低于额定转速恒转矩，高于额定转速恒功率。
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