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ID 30189
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Author
Nakata, Takayoshi
Takahashi, N.
Kawase, Y.
Abstract

The magnetic characteristis of cores with step-lap joints are analyzed by using the finite element method taking into account eddy current and magnetic saturation. The effects of the following factors on the magnetic characteristics such as flux and eddy current distributions and magnetizing current are clarified quantitatively. 1)step-lap length 2)length of air gap at the joint 3)number of laminations per one stagger layer 4)flux density (magnetic saturation) Obtained results give useful suggestions improving the design of the joints of transformer cores.

Keywords
Eddy currents
FEM
Finite-element method (FEM)
Power distribution transformers
Note
Published with permission from the copyright holder. This is the institute's copy, as published in Magnetics, IEEE Transactions on, Nov. 1982, Volume 18, Issue 6, Pages 1055-1057.
Publisher URL:http://ieeexplore.ieee.org/search/wrapper.jsp?arnumber=1062140
Copyright © 1982 IEEE. All rights reserved.
Published Date
1982-11
Publication Title
Magnetics
Volume
volume18
Issue
issue6
Start Page
1055
End Page
1057
Content Type
Journal Article
language
English
Refereed
True
DOI
Submission Path
electricity_and_magnetism/82