Analysis of effective resistance and eddy-current losses in multiturn winding of high-frequency magnetic components

This paper develops a numerical model for calculation of eddy-current losses in a multiturn winding of a high-frequency transformer. The model assumes periodic arrangement of conductors, and uses the repeat elementary cell concept. The paper proposes analytical expressions and graphic dependences to...

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Published in:IEEE transactions on magnetics 2003-01, Vol.39 (1), p.539-548
Main Authors: Podoltsev, A.D., Kucheryavaya, I.N., Lebedev, B.B.
Format: Article
Language:English
Subjects:
Analytical models
Applied sciences
Conducting materials
Conductors
Eddy current testing
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Exact solutions
Frequency
Graphics
Inductors and coils
wiring
Magnetic analysis
Magnetic permeability
Magnetism
Mathematical analysis
Mathematical models
Permeability
Proximity effect
Solids
Transformers
Winding
Wire
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cited_by cdi_FETCH-LOGICAL-c447t-92ddd6ab09cd0d0edf1eb01592418a5956c20d726193c8bc8fa75e3832a50dc83
cites cdi_FETCH-LOGICAL-c447t-92ddd6ab09cd0d0edf1eb01592418a5956c20d726193c8bc8fa75e3832a50dc83
container_end_page 548
container_issue 1
container_start_page 539
container_title IEEE transactions on magnetics
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creator Podoltsev, A.D.
Kucheryavaya, I.N.
Lebedev, B.B.
description This paper develops a numerical model for calculation of eddy-current losses in a multiturn winding of a high-frequency transformer. The model assumes periodic arrangement of conductors, and uses the repeat elementary cell concept. The paper proposes analytical expressions and graphic dependences to determine effective frequency-dependent resistance of the winding. It computes the leakage field in the transformer window, taking into consideration the effective magnetic permeability of the multiturn winding as a heterogeneous medium. Finally, it analyzes the values of the resistance at various frequencies for two types of winding (solid conductor winding and Litz wire winding) by numerical and experimental methods.
doi_str_mv 10.1109/TMAG.2002.806337
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source IEEE Xplore (Online service)
subjects Analytical models
Applied sciences
Conducting materials
Conductors
Eddy current testing
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Exact solutions
Frequency
Graphics
Inductors and coils
wiring
Magnetic analysis
Magnetic permeability
Magnetism
Mathematical analysis
Mathematical models
Permeability
Proximity effect
Solids
Transformers
Winding
Wire
title Analysis of effective resistance and eddy-current losses in multiturn winding of high-frequency magnetic components
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