Title:
TRANSFORMER AND CONVERTER
Document Type and Number:
WIPO Patent Application WO/2014/061113
Kind Code:
A1
Abstract:
The present invention equalizes magnetic flux density distribution among a plurality of cores. A transformer is provided with: a first core; a second core having an average magnetic path length shorter than the average magnetic path length of the first core; a first primary winding wound onto a magnetic leg of the first core to the outside of the second core; a first secondary winding wound onto the magnetic leg of the first core to the outside of the second core; a second primary winding wound onto a bundle of the magnetic leg of the first core and a magnetic leg of the second core; and a second secondary winding wound onto the bundle of the magnetic leg of the first core and the magnetic leg of the second core.
Inventors:
HATAKEYAMA TOMOYUKI (JP)
TOMOBE OSAMU (JP)
TOMOBE OSAMU (JP)
Application Number:
PCT/JP2012/076763
Publication Date:
April 24, 2014
Filing Date:
October 17, 2012
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01F30/00; H01F27/24; H01F30/12; H01F37/00
Domestic Patent References:
| WO2010026898A1 | 2010-03-11 |
Foreign References:
| JPH09148144A | 1997-06-06 | |||
| JP2007043040A | 2007-02-15 | |||
| JP2005136059A | 2005-05-26 | |||
| JP2006173449A | 2006-06-29 |
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL (JP)
Patent business corporation Wil photograph international patent firm (JP)
Patent business corporation Wil photograph international patent firm (JP)
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