动力参数包括：电动机功率、额定转速、电机型号等。
Power parameter include: motor power, rated speed, motor model, etc.
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。
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.
电机驱动系统的峰值工作特性、额定工作特性是电动汽车动力传动系参数匹配计算的主要依据。
The characteristics of peak power working condition, continuous working condition provides the main basement for the electric vehicle power train design.
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