Title:
COUPLED INDUCTOR AND SWITCHING CIRCUIT
Document Type and Number:
Japanese Patent JP2020025043
Kind Code:
A
Abstract:
To provide a small three-phase coupled inductor having stable performance.SOLUTION: A coupled inductor 1 is used for an interleaved three-phase switching circuit and includes a core 2 and three windings 31a to 31c magnetically coupled to each other. The core 2 includes three leg portions 21a to 21c that are wound with respective winding 31a to 31c and arranged equally in the circumferential direction, a first joint 22 joining one end of each of the legs, and a second joint 23 joining the other end of each of the legs. No air gap is provided in the core 2.SELECTED DRAWING: Figure 1
Inventors:
KAMBE SHOGO
SHIMAZU EIICHIRO
SHIMAZU EIICHIRO
Application Number:
JP2018149439A
Publication Date:
February 13, 2020
Filing Date:
August 08, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
H01F37/00; H01F1/24; H01F3/08; H01F27/24; H01F27/255
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano