NDLI: Permanent Magnet Remagnetizing Physics of a Variable Flux Memory Motor

Content Provider	IEEE Xplore Digital Library
Author	Hengchuan Liu Heyun Lin Zhu, Z.Q. Mingming Huang Ping Jin
Copyright Year	1965
Abstract	The finite-element method incorporating with a hysteresis model has been used to analyze the variation characteristics of flux density of permanent magnets (PM) in the variable flux memory motor (VFMM). It accounts for the local hysteresis curves of PMs under different remagnetizing magnetomotive forces. Excellent agreement between the FEA predicted and measured phase back EMFs and air gap flux per pole has been achieved. It shows that the analysis method is suitable for evaluating the PM remagnetizing state in VFMM machines, and the remagnetization of PM is more difficult than the demagnetization, several times the full demagnetizing MMF is required in order to achieve the full remagnetization of PM.
Sponsorship	IEEE Magnetics Society
Starting Page	1679
Ending Page	1682
Page Count	4
File Size	1178528
File Format	PDF
ISSN	00189464
Volume Number	46
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Physics Permanent magnet motors Magnetic hysteresis Demagnetization Hysteresis motors Finite element methods Magnetic analysis Magnetic flux Magnetization Synchronous motors variable flux Hysteresis model memory motor remagnetizing state
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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