NDLI: Axial Field Permanent Magnet DC Motor With Powder Iron Armature

Content Provider	IEEE Xplore Digital Library
Author	Sharkh, S.M.A. Mohammad, M.T.N.
Copyright Year	1986
Abstract	The paper describes a double-gap axial field permanent magnet (PM) dc motor whose double-layer armature wave winding is constructed of copper strips. It investigates the performance of two machines using powder iron and lamination steel materials as armature teeth. Tests are conducted to evaluate the motor torque and speed curves as well as their efficiency under different loads. Finite element analysis (FEA) and equivalent circuit models are used to determine the levels of the magnetic saturation in the motors; calculate torque, inductance, and electromotive force (EMF); and determine the distribution of losses in the machine. The results show that the powder iron armature machine has lower back EMF and torque constants, and is less efficient than the steel laminations machine, which is due to the lower permeability and saturation flux density of the powder iron material.
Sponsorship	IEEE Power Engineering Society
Starting Page	608
Ending Page	613
Page Count	6
File Size	763355
File Format	PDF
ISSN	08858969
Volume Number	22
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	DC motors Powders Iron Torque Lamination Steel Building materials Copper Strips Conducting materials powder iron Axial field dc motor permanent magnet (PM) motor
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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