Patent · US Active

DC current damper for a medium voltage or high voltage transformer

US11757280B2 · kind B2 · utility

0Cited by

4References

18Claims

0Family size

Assignee

Hitachi Energy Switzerland AG · CH

Inventors

Thomas Schmidt · Thierhaupten, DE
Dietrich Bonmann · Meckenheim, DE

Key dates

Filing date	May 12, 2020
Grant date	Sep 12, 2023
Priority date	—
Expiry date	Jun 2, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02H9/08
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Provided is a DC current damper for a medium voltage or high voltage transformer. The DC current damper includes at least one pair of diodes. The two diodes in each pair of diodes are in an anti-parallel configuration. The at least one pair of diodes is configured to be connected between a neutral connection of a medium voltage or high voltage transformer and ground potential.

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