Magnetic coupling analysis of four-quadrant transducer used for hybrid electric vehicles

被引：40

作者：

Zheng, Ping ^{[1
]}

Liu, Ranran ^{[1
]}

Wu, Qian ^{[1
]}

Zhao, Jing ^{[1
]}

Yao, Zhiyuan ^{[1
]}

机构：

[1] Harbin Inst Technol, Harbin 150001, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2007年 / 43卷 / 06期

基金：

中国国家自然科学基金;

关键词：

four-quadrant transducer (4QT); machine design; magnetic coupling; magnetization direction; permanent-magnet synchronous machine (PMSM);

D O I：

10.1109/TMAG.2007.892861

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A four-quadrant transducer (4QT), which is a hybrid electric vehicle power train concept, is a structural integration of two permanent-magnet synchronous machines. It comprises three parts: stator, outer rotor, and inner rotor. As the outer rotor is a structural and magnetic common part of the two radial-flux machines, the magnetic circuits of the two machines are coupled. A new method is put forward to solve the permanent-magnet operating point when considering the magnetic coupling during machine design, and a 4QT prototype machine of 60 kW is designed. The influences of the magnetic coupling on flux distribution and electromagnetic torque are discussed by analytical method and finite-element method, respectively. It can be concluded that the decoupling is easy to perform. The magnetization-direction choice of the two layers of the permanent magnets on the outer rotor is also discussed, and the consistent magnetization is preferred.

引用

页码：2597 / 2599

页数：3

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