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Start Over Author "Del Pizzo, Andrea" Journal ieee transactions on magnetics
2 results on '"Del Pizzo, Andrea"'

2. Microstructure Role in Permanent Magnet Eddy Current Losses

Author

Claudio Serpico, Andrea Del Pizzo, Johann Fischbacher, S. Perna, Thomas Schrefl, Perna, Salvatore, Schrefl, Thoma, Serpico, Claudio, Fischbacher, Johann, and Del Pizzo, Andrea

Subjects
Materials science, FOS: Physical sciences, Applied Physics (physics.app-ph), Physics - Applied Physics, Mechanics, Conductivity, Microstructure, Thermal conduction, Homogenization (chemistry), Electronic, Optical and Magnetic Materials, law.invention, Mathematics - Analysis of PDEs, Electrical resistivity and conductivity, law, Magnet, FOS: Mathematics, Eddy current, Skin effect, Electrical and Electronic Engineering, Analysis of PDEs (math.AP)
Abstract

The impact of granular microstructure in permanent magnets on eddy current losses are investigated. A numerical homogenization procedure for electrical conductivity is defined. Then, an approximated simple analytical model for the homogenized conductivity able to capture the main features of the geometrical and material dependences is derived. Finally eddy current losses analytical calculations are given, and the two asymptotic expressions for losses in the stationary conduction limit and advanced skin effect limit are derived and discussed., 5 pages, 7 figures

Published
2021

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