Electricity And Magnetism

33.Magnetics by John G. Webster (Editor)

By John G. Webster (Editor)

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Typical permeability and loss characteristics are shown in Fig. 3. Grain-oriented siliconiron is often referred to as [001](110) oriented silicon steel or Goss textured silicon steel (named after the inventor J. ), Wiley Encyclopedia of Electrical and Electronics Engineering. Copyright © 2007 John Wiley & Sons, Inc. 2 Eddy Current Losses Figure 3. Deterioration of power loss and permeability of grainoriented silicon steel with direction of magnetization relative to the rolling direction. Figure 1.

J. Moses Magnetic flux and power loss in a turbogenerator, IEEE Trans. , 17: 1311–1316, 1981. A. J. htm ● HOME ● ABOUT US // ● CONTACT US ● HELP Wiley Encyclopedia of Electrical and Electronics Engineering Electromagnetic Ferrite Tile Absorber Standard Article Christopher L. Holloway1, James R. Baker–Jarvis2, Robert T. Johnk3, Richard G. S. S. S. S. Department of Commerce, Boulder Laboratories, Boulder, CO Copyright © 1999 by John Wiley & Sons, Inc. All rights reserved. htm December 27, 1999 Abstract | Full Text: HTML PDF (201K) Abstract The sections in this article are Modeling Ferrite Tiles Measurements of Material Properties Reflectivity Measurements Conclusion | | | Copyright © 1999-2008 All Rights Reserved.

These methods do not take proper account of rotational magnetization processes or spatial differences between B and H directions. Furthermore, in transformer joints in particular, the interlamina flux and air gaps have a major influence on the flux distribution so three-dimensional solutions must be carried out but as yet no programs are available which take proper account of the anisotropy of the material. Computation of the power loss poses greater problems. It is impracticable to attempt to calculate the power loss Eddy Current Losses from Eq.

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