Title:
WOUND CORE AND TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2020/071512
Kind Code:
A1
Abstract:
The present invention provides a wound core and a transformer in which iron loss is reduced. The wound core of the present invention is provided with: a core member which is formed of a winding of a first electromagnetic steel plate, is annular in shape when viewed from the side, and has one or more bent portions when viewed from the side; and one or more laminates in which second electromagnetic steel plates are laminated. The laminates are disposed such that a surface thereof formed by the side of the second electromagnetic steel plates is along at least one of surfaces formed by the side of the first electromagnetic steel plate at the bent surface of the core member.
Inventors:
MOGI HISASHI (JP)
MIZUMURA TAKAHITO (JP)
TAKAHASHI FUMIAKI (JP)
TAMAKI TERUYUKI (JP)
MIZUMURA TAKAHITO (JP)
TAKAHASHI FUMIAKI (JP)
TAMAKI TERUYUKI (JP)
Application Number:
PCT/JP2019/039206
Publication Date:
April 09, 2020
Filing Date:
October 03, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
H01F27/245
Foreign References:
| JP2018148036A | 2018-09-20 | |||
| JP2017212261A | 2017-11-30 | |||
| JPH10261536A | 1998-09-29 | |||
| JPS6083307A | 1985-05-11 | |||
| JP2018032703A | 2018-03-01 | |||
| JP2017157806A | 2017-09-07 | |||
| JP2017022189A | 2017-01-26 | |||
| JP2005038987A | 2005-02-10 |
Other References:
See also references of EP 3863032A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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