Eddy-Current Calculation of Solid Components in Fractional Slot Axial Flux Permanent Magnet Synchronous Machines

被引：18

作者：

Li, Jian ^{[1
]}

Choi, Da-Woon ^{[1
]}

Cho, Chang-Hum ^{[1
]}

Koo, Dae-Hyun ^{[2
]}

Cho, Yun-Hyun ^{[1
]}

机构：

[1] Dong A Univ, Dept Elect Engn, Pusan, South Korea

[2] Korea Electrotechnol Res Inst, Ind Applicat Res Div, Elect Motor Res Ctr, Chang Won 641120, South Korea

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

Analytical analysis; axial flux permanent magnet machine (AFPM); eddy-current; fractional-slot concentrated winding (FSCW); time-stepping 3D FEA;

D O I：

10.1109/TMAG.2011.2158200

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：

This paper investigates eddy-current in an axial flux permanent magnet (AFPM) machine, which consist of the segmented stator teeth and concentrated winding, with one inner rotor and double stators. Analytical methods was developed to calculate the eddy-current loss of PMs and other solid components, including effect of winding harmonics and permeance variation due to slot opening. Eddy-current losses were analyzed by time-stepping three dimensional finite element analysis (3D FEA) in two rotor models, when magnets are insulated or noninsulated. A prototype machine was manufactured based on analysis results, and was tested as a generator. It is found that rotor stainless PM holder should be used in order to reduce eddy-currents and insulation of PMs further reduces eddy-current losses.

引用

页码：4254 / 4257

页数：4

共 8 条

[1] Modular axial-flux permanent-magnet motor for ship propulsion drives [J].