Design Method of Magnetic Circuit in Planar Permanent Magnetic Miro-generator

doi:10.3969/j.issn.1000-1093.2014.08.002

Acta Armamentarii ›› 2014, Vol. 35 ›› Issue (8): 1144-1151.doi: 10.3969/j.issn.1000-1093.2014.08.002

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Design Method of Magnetic Circuit in Planar Permanent Magnetic Miro-generator

ZHAO Jing-jing^1,2, SHI Geng-chen¹, DU Lin¹

(1.National Lab of Mechatronic Engineering and Control, Beijing Institute of Technology,Beijing 100081, China;2.Department of Precision Instrument, Tsinghua University, Beijing 100084, China)

Received:2013-10-11 Revised:2013-10-11 Online:2014-11-03
Contact: ZHAO Jing-jing E-mail:jing.jing.youxiang@163.com

Abstract

Abstract: A design method of magnetic circuit in a disk-type permanent magnetic micro-generator is proposed, including modeling, theoretical analysis, simulation and experiment. The effects of the structural parameters on magnetic flux density in the magnetic gap and the constraint relations among the parameters are discussed. The calculation method of magnetic flux density in magnetic gap and the optimization scheme of structural parameters of micro-generator are studied. The design method of magnetic circuit in the planar permanent magnetic micro-generator is summarized. Errors between the theoretical calculations and experimental results are less than 7%, which verifies the rationality and accuracy of the calculation method of magnetic flux density.

Key words: electrical engineering, micro-generator, planar permanent magnetic generator, magnetic circuit design

CLC Number:

TM38

ZHAO Jing-jing, SHI Geng-chen, DU Lin. Design Method of Magnetic Circuit in Planar Permanent Magnetic Miro-generator[J]. Acta Armamentarii, 2014, 35(8): 1144-1151.

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Design Method of Magnetic Circuit in Planar Permanent Magnetic Miro-generator

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