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:
Jul. 09, 2019
Filed:
Jul. 19, 2016
Applicant:
Lsis Co., Ltd., Gyeonggi-do, KR;
Inventor:
Yong Kil Choi, Gyeonggi-do, KR;
Assignee:
LSIS CO., LTD., Anyang-si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/40 (2014.01); G01R 31/02 (2006.01); H02J 3/01 (2006.01); H02J 3/36 (2006.01); H02J 1/02 (2006.01);
U.S. Cl.
CPC ...
G01R 31/028 (2013.01); G01R 31/40 (2013.01); H02J 1/02 (2013.01); H02J 3/01 (2013.01); H02J 3/36 (2013.01); H02J 2003/365 (2013.01); Y02E 40/40 (2013.01); Y02E 60/60 (2013.01);
Abstract
Disclosed embodiments relate to a monitoring system for detecting an error of a harmonic filter in a high voltage direct current (HVDC) transmission system is disclosed. In some embodiments, the monitoring system comprises a harmonic filter including one or more capacitor units, a monitoring sensor unit sensing a voltage of at least one of the one or more capacitor units, and, a control unit monitoring a voltage error of the at least one capacitor unit using the sensing result.