Research on Power Adaptive Motor Used for City Overloading Electric Vehicles

Abstract

Abstract: To meet the requirements of the drive motor, which possessed the city overload electric vehicle of unique characteristics of driving, a new structure of power adaptive motor(PAM) was proposed. PAM inherited the characteristics of the permanent magnet DC motor, which possessed high starting torque, simple and reliable structure, easy control, and so on, and might satisfy the characteristics of the city overload electric vehicles, such as low speed, starting and breaking frequently, and large loading capacity. This paper took a 6/8kW prototype as an example and analysed the matching of the external characteristic curve and the city overload electric vehicles. Then the operating characteristics of the PAM were analysed from the entire rotate speed range. Finally, through the analyses and experimental validation, PAM as the city overload electric vehicle motor has certain advantages.

Key words: overload electric vehicle, drive motor, external characteristic curve, adaptive

摘要： 为满足城市重载电动汽车独特的行驶特点以及其驱动电机的要求，提出了一种新型永磁电机结构——适配功率电机（PAM）。PAM 电机不仅继承了永磁直流电机高启动扭矩、结构简单可靠、易控制的特点，同时也可以满足城市重载电动汽车行驶速度低、启动刹车频繁、载重量大的行驶特点。以一台6/8kW的PAM样机为例，分析其外特性曲线与城市重载电动汽车驱动电机的匹配情况，从整个转速区间全面分析PAM电机的运行特点。最终通过分析研究与实验验证，PAM电机作为城市重载电动汽车的驱动电机具有一定优势。

关键词: 重载电动汽车, 驱动电机, 外特性曲线, 适配

CLC Number:

U464.9

Guan Yuming, Wang Xirui, Yan Tang, Liu Qin, Liu Chenchen. Research on Power Adaptive Motor Used for City Overloading Electric Vehicles[J]. China Mechanical Engineering.

关玉明, 王锡瑞, 燕唐, 刘琴, 刘晨晨. 城市重载电动汽车适配功率电机可行性研究[J]. 中国机械工程.

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