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.

Date of Patent:
Nov. 16, 2021

Filed:

May. 18, 2018
Applicant:

Siemens Energy Global Gmbh & Co. KG, Munich, DE;

Inventors:

Andreas Lorenz, Erlangen, DE;

Ewgenij Starschich, Wilhermsdorf, DE;

Mustafa Baris Karacay, Erlangen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/36 (2006.01); H02H 3/44 (2006.01);
U.S. Cl.
CPC ...
H02J 3/36 (2013.01); H02H 3/445 (2013.01);
Abstract

In a method for monitoring a high-voltage DC transmission the following are predefined: an amperage threshold value for an amperage of the high-voltage DC transmission, at least one interval length for time intervals and, for each predefined interval length, a change threshold value for a change in the amperage averaged over time intervals of the interval length. The amperage for each terminal of the high-voltage DC transmission is determined, and a change in the amperage averaged over time intervals of the interval length is determined for each predefined interval length. A DC error is determined if the magnitude of the amperage of at least one terminal is greater than the amperage threshold value or if, for an interval length, the magnitude of the averaged change in the amperage of at least one terminal is greater than the change threshold value predefined for the interval length.


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