NDLI: Core Loss Estimation of Various Materials Magnetized With the Symmetrical/Asymmetrical Rectangular Voltage

Content Provider	IEEE Xplore Digital Library
Author	Hatakeyama, T. Onda, K.
Copyright Year	1986
Abstract	Core losses were estimated for various magnetic core materials magnetized with a duty-cycle-changed symmetrical and asymmetrical rectangular voltage. Each voltage waveform is applied to a transformer and a dc reactor in a dc/dc converter, respectively. Core losses were measured for the four typical magnetic core materials often used in power electronics: 3% grain-oriented silicon steel sheet, 6.5% silicon steel sheet, amorphous material, and nanocrystalline material. Measurement results were evaluated by the loss separation model. An approximation method was proposed for the core loss magnetized with asymmetrical rectangular voltage that divides the total core loss into the core loss of the magnetization from -B_m to B_m and that of the magnetization from B_m to -B_m. This method was confirmed to approximate the core loss accurately except for silicon steel sheet in an extreme duty cycle condition. However, it was demonstrated experimentally that dc component of the magnetic field strength caused this error.
Sponsorship	IEEE Power Electronics Society
Starting Page	6628
Ending Page	6635
Page Count	8
File Size	1003292
File Format	PDF
ISSN	08858993
Volume Number	29
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Core loss Magnetic cores Magnetization Steel Silicon Nanostructured materials rectangular voltage magnetization Core loss calculation dc reactor high-frequency transformer
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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