3D Nonlinear Equivalent Magnetic Circuit Model Analysis of a Flux Reversal Linear Rotary Permanent Magnet Machine

Guo, K; Guo, Y

3D Nonlinear Equivalent Magnetic Circuit Model Analysis of a Flux Reversal Linear Rotary Permanent Magnet Machine

Guo, K Guo, Y

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Publication Type:: Journal Article
Citation:: Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, 2020, 35, (20), pp. 4278-4286
Issue Date:: 2020-10-25

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Field	Value	Language
dc.contributor.author	Guo, K
dc.contributor.author	Guo, Y https://orcid.org/0000-0001-6182-0684
dc.date.accessioned	2021-01-27T05:24:35Z
dc.date.available	2021-01-27T05:24:35Z
dc.date.issued	2020-10-25
dc.identifier.citation	Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, 2020, 35, (20), pp. 4278-4286
dc.identifier.issn	1000-6753
dc.identifier.uri	http://hdl.handle.net/10453/145599
dc.description.abstract	© 2020, Electrical Technology Press Co. Ltd. All right reserved. An improved 3D nonlinear equivalent magnetic circuit model (EMCM) of a flux reversal linear rotary permanent magnet machine (FR-LRPMM) was established by adding a variable reluctance unit to 3D magnetic circuit structure. The magnetic reluctance expressions of the stator and mover sections were derived by magnetic nodal method. The reluctance of the variable-reluctance unit was derived by 2D finite element method (FEM), which changed from 0 to infinity periodically with different locations of the mover when it was in linear or rotary motion. The 3D air-gap permeance expression was derived by segmentation method. The electromagnetic characteristics, such as no-load air gap flux density, were calculated and analyzed by an iterative method. Compared with the 3D FEM, the calculation time of this proposed model is reduced greatly. The proposed model could take in account the saturation of the stator core material, PM local flux leakage and pole-pole flux leakage. The analyzed results of the electromagnetic characteristics, including the back EMF, cogging torque and detent force, are consistent with those of 3D FEM and test measurement, which verifies the improved EMCM.
dc.language	en
dc.relation.ispartof	Diangong Jishu Xuebao/Transactions of China Electrotechnical Society
dc.relation.isbasedon	10.19595/j.cnki.1000-6753.tces.191258
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Electrical & Electronic Engineering
dc.title	3D Nonlinear Equivalent Magnetic Circuit Model Analysis of a Flux Reversal Linear Rotary Permanent Magnet Machine
dc.type	Journal Article
utslib.citation.volume	35
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	closed_access	*
dc.date.updated	2021-01-27T05:24:02Z
pubs.issue	20
pubs.publication-status	Published
pubs.volume	35
utslib.citation.issue	20

Abstract:

© 2020, Electrical Technology Press Co. Ltd. All right reserved. An improved 3D nonlinear equivalent magnetic circuit model (EMCM) of a flux reversal linear rotary permanent magnet machine (FR-LRPMM) was established by adding a variable reluctance unit to 3D magnetic circuit structure. The magnetic reluctance expressions of the stator and mover sections were derived by magnetic nodal method. The reluctance of the variable-reluctance unit was derived by 2D finite element method (FEM), which changed from 0 to infinity periodically with different locations of the mover when it was in linear or rotary motion. The 3D air-gap permeance expression was derived by segmentation method. The electromagnetic characteristics, such as no-load air gap flux density, were calculated and analyzed by an iterative method. Compared with the 3D FEM, the calculation time of this proposed model is reduced greatly. The proposed model could take in account the saturation of the stator core material, PM local flux leakage and pole-pole flux leakage. The analyzed results of the electromagnetic characteristics, including the back EMF, cogging torque and detent force, are consistent with those of 3D FEM and test measurement, which verifies the improved EMCM.

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http://hdl.handle.net/10453/145599