The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
May. 12, 2020
Applicant:
Hitachi Energy Switzerland Ag, Baden, CH;
Inventors:
Thomas Schmidt, Erpel, DE;
Dietrich Bonmann, Meckenheim, DE;
Assignee:
Hitachi Energy Switzerland AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/02 (2006.01);
U.S. Cl.
CPC ...
H02H 9/02 (2013.01);
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.