Variable-frequency synchronous motor drives for electric vehicles

被引:56
作者
Chalmers, BJ [1 ]
Musaba, L [1 ]
Gosden, DF [1 ]
机构
[1] UNIV SYDNEY,DEPT ELECT ENGN,SYDNEY,NSW 2006,AUSTRALIA
关键词
D O I
10.1109/28.511647
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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 degrees (elec.).
引用
收藏
页码:896 / 903
页数:8
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