Patent · US Active

Compact dry-type transformer

US11569026B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

Siemens Energy Global GmbH & Co. KG · DE

Inventors

Bernd Hofmann · Erlangen, DE
Benedikt Hönisch · Erlangen, DE
Tim-Felix Mai · Wendlingen, DE
Christian Seidel · Stockdorf, DE
Steffen Weinert · Opfingen, DE

Key dates

Filing date	Jan 30, 2017
Grant date	Jan 31, 2023
Priority date	—
Expiry date	May 17, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2027/329
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present disclosure relates to transformers. Various embodiments of the teachings herein may include a coating of an insulation body of a dry transformer. For example, the electrical winding may include multiple windings of a winding conductor wound to form a coil. The coil has been embedded into a solid insulation body. In some embodiments, a coating of an electrically conductive material, comprising a resin matrix and microscale filler, has been applied to at least one surface of the insulation body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.