电动汽车用变频同步电机驱动

IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting Pub Date : 1995-10-08 DOI:10.1109/IAS.1995.530370

B. Chalmers, L. Musaba, D. Gosden

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引用次数: 83

摘要

带弱磁场的变频永磁同步电机驱动器的性能包络取决于最大电流与直轴电感的乘积。为了获得适合于短期增加电流的典型电动汽车驱动的性能特性，有必要设计直轴电感的最优值。本文分析了一种采用表面磁体部分和轴向层压磁阻部分组成的两部分转子结构的混合动力电机设计。这种安排结合了所有其他类型的同步电机的特性，并提供了更多的设计变量选择。结果表明，将磁阻部件的高电感轴与磁体轴以90/spl度/(电)引线布置时，可获得理想的性能形式。

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Variable-frequency synchronous motor drives for electric vehicles

The performance capability envelope of a variable-frequency, permanent-magnet synchronous motor drive with field weakening is dependent upon the product of maximum current and direct-axis inductance. To obtain a performance characteristic suitable for a typical electric vehicle drive, in which short-term increase of current is applied, it is necessary to design an optimum value of direct-axis inductance. The paper presents an analysis of a hybrid motor design which uses a two-part rotor construction comprising a surface-magnet part and an axially-laminated reluctance part. This arrangement combines the properties of all other types of synchronous motor and offers a greater choice of design variables. It is shown that the desired form of performance may be achieved when the high-inductance axis of the reluctance part is arranged to lead the magnet axis by 90/spl deg/ (elec.).

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IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting

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