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:
Nov. 23, 2021
Filed:
Apr. 07, 2020
Applicant:
Cyber Power Systems, Inc., Taipei, TW;
Inventors:
Zi-Wei Lin, Taipei, TW;
Chun-Chao Liao, Taipei, TW;
Chao-Ching Yang, Taipei, TW;
Hsun-Ping Cho, Taipei, TW;
Hong-Jhih Chen, Taipei, TW;
Assignee:
CYBER POWER SYSTEMS, INC., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 7/02 (2016.01); H02M 1/42 (2007.01);
U.S. Cl.
CPC ...
H02J 9/062 (2013.01); H02J 7/02 (2013.01); H02J 9/068 (2020.01); H02J 2207/20 (2020.01); H02M 1/4208 (2013.01);
Abstract
An on-line uninterruptible power system and an operation method thereof are provided. The on-line uninterruptible power system comprises a first switch unit, a second switch unit, a charging circuit, a DC-AC conversion circuit, a power factor correction circuit and a control circuit. When the on-line uninterruptible power system is in a line mode, the control circuit controls the operation of the power factor correction circuit to limit the magnitude of its input current to not exceed a first predetermined value.