Title:
三相変圧器
Document Type and Number:
Japanese Patent JP6577545
Kind Code:
B2
Abstract:
A three-phase transformer according to an embodiment includes a first plate iron core and a second plate iron core disposed opposite each other; a plurality of columnar iron cores disposed between the first plate iron core and the second plate iron core so as to be connected to the first plate iron core or the second plate iron core, the number of the columnar iron cores being an integer multiple of 3, the columnar iron cores being disposed rotation-symmetrically with respect to an axis equidistant from central axes of the columnar iron cores; and coils including a plurality of primary coils and a plurality of secondary coils, the number of the primary coils being an integer multiple of 3, the number of the secondary coils being an integer multiple of 3, the primary coils and the secondary coils being wound on the individual columnar iron cores.
Inventors:
Support
Takuya Maeda
Takuya Maeda
Application Number:
JP2017178296A
Publication Date:
September 18, 2019
Filing Date:
September 15, 2017
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H01F29/00; H01F27/10; H01F27/12; H01F27/24; H01F27/245; H01F27/28; H01F30/12
Domestic Patent References:
| JP118138A | ||||
| JP8167527A | ||||
| JP9159614A | ||||
| JP10223454A | ||||
| JP2011250529A | ||||
| JP201658513A | ||||
| JP2013115407A | ||||
| JP605105U | ||||
| JP2003229315A | ||||
| JP2014220435A | ||||
| JP481343Y1 | ||||
| JP4892872A |
Foreign References:
| WO2012137494A1 | ||||
| WO2012157053A1 | ||||
| CN105529166A |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Hirose Shigeki
Shinji Mitsuhashi
Hirose Shigeki