NDLI: Modeling and Validation of High-Temperature Electromagnetic Actuator

Content Provider	IEEE Xplore Digital Library
Author	Noh, M.D. Gi, M.J. Kim, D. Park, Y.-W. Lee, J. Kim, J.-W.
Copyright Year	1965
Abstract	Electromagnetic actuators are able to meet demanding requirements, such as operations in very high temperatures. For such applications, it is necessary to know how the load capacity of the actuator is influenced by the operating temperature. This paper presents a nonlinear magnetic circuit model of an electromagnetic actuator and its experimental validation when the actuator is operating in a high-temperature environment up to 500 °C. In order to predict the actuator force, the magnetic properties of the core material (SUS410) at several temperatures up to 500 °C are measured. A modified Fröhlich-Kennelly equation for representing the magnetization curve is proposed. The parameters of the equations are identified through curve-fitting. The temperature-dependent magnetization data are utilized for the magnetic circuit modeling and the finite-element analyses (FEAs). A test rig is set up to measure the output force of the actuator placed in an oven while varying the temperature up to 500 °C. The predictions by the magnetic circuit model are within 5% from the results by the FEAs and the measurements, which proves the validity of the model.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	1476609
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Temperature measurement Integrated circuit modeling Force Magnetization Magnetic circuits Temperature high–temperature Electromagnetic actuator magnetic circuit model magnetic stainless steel high temperature
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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