Title:
変圧器の製造方法
Document Type and Number:
Japanese Patent JP4343448
Kind Code:
B2
Abstract:
To provide a technology capable of restraining direct current magnetic deviation in a transformer without providing a gap in a core, an axis of easy magnetization is provided in a second direction intersecting with a first direction along a magnetic circuit of the core to thereby bring a B-H characteristic of a material characteristic of the core into an unsaturated state.
Inventors:
Ryo Nishimizu
Hideki Masuhara
Tenichi Yoichi
Masahisa Kuwahara
Hideki Masuhara
Tenichi Yoichi
Masahisa Kuwahara
Application Number:
JP2001018226A
Publication Date:
October 14, 2009
Filing Date:
January 26, 2001
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
H01F27/24; H01F41/02; H01F27/34; H01F13/00
Domestic Patent References:
| JP2000124035A | ||||
| JP60170914A | ||||
| JP62147315U | ||||
| JP8222454A | ||||
| JP2260619A | ||||
| JP57013724A | ||||
| JP5109565A | ||||
| JP7024247B2 | ||||
| JP6009114U | ||||
| JP63114206A | ||||
| JP54135396A | ||||
| JP11214226A | ||||
| JP1214104A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation