Experimental verification of radial-air-gap-type permanent-magnet-free synchronous motor utilizing space harmonics with auxiliary poles

被引：1

作者：

Aoyama, Masahiro ^{[1
,2
]}

Noguchi, Toshihiko ^{[1
]}

机构：

[1] Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoku, Naka-ku, Hamamatsu, Shizuoka

[2] Suzuki Motor Corporation, Electric Vechile and System Department, 300, Takatsuka-cho, Minami-ku, Hamamatsu, Shizuoka

来源：

IEEJ Transactions on Industry Applications | 2015年 / 135卷 / 08期

关键词：

Concentrated winding; Induced current; Rare-earth-free motor; Self-excitation; Space harmonics; Synchronous motor;

D O I：

10.1541/ieejias.135.869

中图分类号：

学科分类号：

摘要：

This paper describes a synchronous motor in which space harmonic power is utilized for the field magnetization instead of permanent magnets. The stator has a concentrated winding structure, and the rotor has two different types of windings, i.e., an induction pole (I-pole) winding that primarily retrieves the second space harmonic and an excitation pole (E-pole) winding for the field magnetization. The two coils are connected via a center-tapped full-bridge diode-rectifying circuit. The adjustable-speed drive characteristics and efficiency map are experimentally verified with a prototype motor. In addition, it is experimentally clarified that the field magnet function of the self-excited electromagnet pole has passive variableness with respect to the armature current, the rotation speed, the phase angle, and the time harmonics superimposed on the phase current. Furthermore, the drive performance of the proposed motor is studied by comparing the torque and efficiency characteristics. © 2015 The Institute of Electrical Engineers of Japan.

引用

页码：869 / 881

页数：12

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