A Novel E-Core Switched-Flux PM Brushless AC Machine

被引：104
作者：
Chen, J. T. [1 ]
Zhu, Z. Q. [1 ]
Iwasaki, S. [2 ]
Deodhar, Rajesh P. [2 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
[2] IMRA Europe SAS, UK Res Ctr, Brighton BN1 9RS, E Sussex, England
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2011年 / 47卷 / 03期
关键词：
Brushless; fault tolerant; permanent magnet (PM); switched flux; torque density; PERMANENT-MAGNET; PERFORMANCE; MOTORS; STATOR;
D O I：
10.1109/TIA.2011.2126543
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel E-core switched-flux permanent-magnet (SFPM) brushless machine is proposed, and its electromagnetic performance is compared with that of the conventional SFPM brushless machine. The operation principle of the E-core SFPM machine will be first described, and the influence of stator and rotor pole number combinations is investigated, while the electromagnetic performance of the optimized E-core SFPM machine is predicted by finite-element analyses and validated by experiment. It is shown that the number and volume of magnets in the E-core SFPM machine is significantly reduced, only half of that in the conventional machine, while the phase back electromotive force and torque of the E-core machine are similar to 15% larger than those of the conventional machine.
引用
收藏
页码：1273 / 1282
页数：10
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