TRANSFORMER AND CONVERTER - SUMITOMO ELECTRIC INDUSTRIES

Title:

TRANSFORMER AND CONVERTER

Document Type and Number:

WIPO Patent Application WO/2022/064662

Kind Code:

A1

Abstract:

This transformer comprises a high-voltage coil, a low-voltage coil, and a core that passes through the high-voltage coil and the low-voltage coil, the transformer comprising a multilayer substrate including a plurality of stacked conductor pattern layers and insulating layers each disposed between two adjacent conductor pattern layers in the stacking direction, wherein: the plurality of stacked conductor pattern layers includes a plurality of high-voltage pattern layers that have coil patterns that constitute the high-voltage coil, and a plurality of low-voltage pattern layers that have coil patterns that constitute the low-voltage coil; and at least two low-voltage pattern layers among the plurality of low-voltage pattern layers are disposed between two high-voltage pattern layers electrically connected in series among the plurality of high-voltage pattern layers.

Inventors:

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

Application Number:

PCT/JP2020/036459

Publication Date:

March 31, 2022

Filing Date:

September 25, 2020

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

H01F30/10

Domestic Patent References:

WO2013046259A1

2013-04-04

Foreign References:

JP2019146359A	2019-08-29
JP2013247155A	2013-12-09
JP2020021885A	2020-02-06
JPH0799123A	1995-04-11
JP2008177486A	2008-07-31
JP2015050391A	2015-03-16
JP2009289879A	2009-12-10
JP2016506624A	2016-03-03