Patent · US Active

Medium frequency transformer

US12051537B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

Hitachi Energy Ltd · CH

Inventors

Uwe Drofenik · Zürich, CH
Thomas Gradinger · Aarau, CH
Bernhard Wunsch · Dättwil, CH

Key dates

Filing date	Sep 18, 2019
Grant date	Jul 30, 2024
Priority date	—
Expiry date	Jul 2, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2027/328
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A transformer includes a transformer core having a first core leg having a first longitudinal axis and second core leg having a second longitudinal axis; a first low voltage (LV) winding arranged around the first core leg, a first high voltage (HV) winding arranged around the first LV winding; a second low voltage (LV) winding arranged around the second core leg; and a second high voltage winding arranged around the second LV winding, wherein the first HV winding is provided with a first HV connector and a second HV connector each extending substantially perpendicular away from the first longitudinal axis, and wherein the second HV winding is provided with a third HV connector and a fourth HV connector each extending substantially perpendicular away from the second longitudinal axis.

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