Comparison of Dual-Permanent-Magnet-Excited Machines and Surface-Mounted Permanent Magnet Machines in Terms of Force

被引：1

作者：

Minh-Trung Duong ^{[1
,2
]}

Kang, Do-Hyun ^{[2
]}

Chun, Yon-Do ^{[1
,2
]}

Woo, Byung-Chul ^{[2
]}

Lee, Yoon-Sun ^{[3
]}

Wook, Hwang ^{[2
]}

机构：

[1] Unvers Sci & Technol, Energy & Power Convers Engn, Daejeon 34113, South Korea

[2] Korea Electrotechnol Res Inst, Elect Motor Res Ctr, Chang Won 51543, South Korea

[3] Chung Ang Univ, Sch Elect & Elect Engn, Seoul 17546, South Korea

来源：

ENERGIES | 2019年 / 12卷 / 02期

关键词：

dual-permanent-magnet-excited machine; surface-mounted permanent magnet machine; force density; FLUX LINEAR MOTOR; LOW-SPEED; DESIGN;

D O I：

10.3390/en12020216

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, finite element analysis demonstrates the difference between dual-permanent-magnet-excited machines (DPMM) and surface-mounted permanent magnet machines (SPM) in terms of tangential force at the same air gap, diameter, stacking length, and input current. Different from most conventional machines, a novel DPMM has two sets of permanent magnets employed on both stator and rotor. To make a fair comparison, the novel DPMM, based on an original design, is specified to have the same dimensions as a conventional SPM. With the aid of 2D finite element analysis, tangential force generated from the novel DPMM is 167.65% higher than the conventional SPM. To verify the validity of the analyses, a prototype was fabricated and tested. Experiments showed that average deviation was only approximately 1.85%.

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