NDLI: Experimental validation of iron loss model for rotating machines based on direct eddy current analysis of electrical steel sheets

Content Provider	IEEE Xplore Digital Library
Author	Yamazaki, K. Fukushima, N.
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical, Electronics and Computer Engineering, Chiba Institute of Technology, 2-17-1, Tsudanuma, Narashino, 275-0016, Japan (Yamazaki, K.; Fukushima, N.)
Abstract	In this study, we propose and confirm an accurate estimation method of iron loss in rotating machines. In the method, the eddy-current loss in the electrical steel sheets is directly calculated by a nonlinear time-domain electromagnetic field analysis with a simple approximation of the excess loss. The hysteresis loss is also estimated with the consideration of flux distribution along the thickness of the steel sheet. The advantage of the method is the accuracy of the high-frequency harmonic losses using only several material constants. The validity of the method is confirmed by two experiments. The first experiment is carried out by a ring specimen of the electrical steel sheets. In this case, superimposed fundamental and harmonic fluxes are applied to the specimen. The second experiment is carried out by an induction motor driven by an inverter as well as a sinusoidal power supply. The carrier harmonic loss by the inverter is separated for the purpose of confirming the accuracy of the calculated harmonic losses. The experimental and calculated iron losses in both experiments are found to be in good agreement.
Starting Page	851
Ending Page	857
File Size	756124
Page Count	7
File Format	PDF
ISBN	9781424442515
DOI	10.1109/IEMDC.2009.5075303
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iron Rotating machines Eddy currents Steel Inverters Time domain analysis Electromagnetic fields Electromagnetic analysis Hysteresis Sheet materials
Content Type	Text
Resource Type	Article

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