TRANSFORMER AND POWER CONVERSION DEVICE - SUMITOMO ELECTRIC INDUSTRIES

Title:

TRANSFORMER AND POWER CONVERSION DEVICE

Document Type and Number:

WIPO Patent Application WO/2022/079871

Kind Code:

A1

Abstract:

This transformer comprises a first coil, a second coil, a third coil, and a core penetrating through these multiple coils, wherein: the third coil has a smaller number of turns than the number of turns of the first coil and than the number of turns of the second coil; the third coil has a greater conductor cross-sectional area than the conductor cross-sectional area of the first coil and than the conductor cross-sectional area of the second coil; the multiple coils are arranged coaxially; the first coil and the second coil are arranged so as to have turns that mutually line up in the radial direction; and the third coil is arranged lined up in the axial direction with respect to the first coil and the second coil.

Inventors:

HIRATANI SHUNGO (JP)
KUSAWAKE KAZUSHI (JP)
TAKAHASHI SEIJI (JP)

Application Number:

PCT/JP2020/038985

Publication Date:

April 21, 2022

Filing Date:

October 15, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
AUTONETWORKS TECHNOLOGIES LTD (JP)

International Classes:

H01F30/12; H01F30/10

Domestic Patent References:

WO2007029594A1

2007-03-15

Foreign References:

JP2008205210A	2008-09-04
JP2019047105A	2019-03-22
JP2019079992A	2019-05-23
JP2018064009A	2018-04-19
JPH0442907A	1992-02-13
JPH02146409U	1990-12-12