A Best-Fit Model of Power Losses in Cold Rolled-Motor Lamination Steel Operating in a Wide Range of Frequency and Magnetization

A procedure is described for identifying a mathematical model of core losses in ferromagnetic steel based on a minimal amount of experimental data. The new model has a hysteresis loss multiplicative coefficient variable only with frequency, a hysteresis loss power coefficient variable both with freq...

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Published in:IEEE transactions on magnetics 2007-04, Vol.43 (4), p.1753-1756
Main Authors: Popescu, M., Ionel, D.M.
Format: Article
Language:English
Subjects:
Applied sciences
Coefficients
Core loss
Cross-disciplinary physics: materials science
rheology
eddy-current loss
electrical machine
Epstein test
Exact sciences and technology
ferromagnetic steel
Ferromagnetism
Forming
Frequency measurement
Frequency ranges
Hysteresis
hysteresis loss
Hysteresis losses
Iron
iron loss
Lamination
Magnetism
Magnetization
Materials science
Mathematical model
Mathematical models
Measurement standards
Metals. Metallurgy
Other topics in materials science
Physics
Production techniques
Rolling
Steel
Steels
Testing
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description A procedure is described for identifying a mathematical model of core losses in ferromagnetic steel based on a minimal amount of experimental data. The new model has a hysteresis loss multiplicative coefficient variable only with frequency, a hysteresis loss power coefficient variable both with frequency and induction and a combined coefficient for eddy-current and excess losses that is, within a set frequency range, variable only with induction. Validation was successfully performed on a large number of different samples of nongrain oriented fully and semiprocessed steel alloys. Over a wide range of frequencies between 20 Hz and 2.1 kHz and inductions from 0.05 up to 2 T, the errors of the proposed model are substantially lower than those of a conventional model with fixed value coefficients
doi_str_mv 10.1109/TMAG.2006.892291
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ispartof IEEE transactions on magnetics, 2007-04, Vol.43 (4), p.1753-1756
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1941-0069
language eng
recordid cdi_crossref_primary_10_1109_TMAG_2006_892291
source IEEE Electronic Library (IEL) Journals
subjects Applied sciences
Coefficients
Core loss
Cross-disciplinary physics: materials science
rheology
eddy-current loss
electrical machine
Epstein test
Exact sciences and technology
ferromagnetic steel
Ferromagnetism
Forming
Frequency measurement
Frequency ranges
Hysteresis
hysteresis loss
Hysteresis losses
Iron
iron loss
Lamination
Magnetism
Magnetization
Materials science
Mathematical model
Mathematical models
Measurement standards
Metals. Metallurgy
Other topics in materials science
Physics
Production techniques
Rolling
Steel
Steels
Testing
title A Best-Fit Model of Power Losses in Cold Rolled-Motor Lamination Steel Operating in a Wide Range of Frequency and Magnetization
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