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:
Jun. 18, 2024
Filed:
Oct. 19, 2022
Applicant:
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Assignee:
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 3/01 (2006.01); H02J 3/18 (2006.01); H02J 3/32 (2006.01);
U.S. Cl.
CPC ...
H02J 9/062 (2013.01); H02J 3/01 (2013.01); H02J 3/18 (2013.01); H02J 3/32 (2013.01);
Abstract
A power supply system includes a plurality of parallelly-connected uninterruptible power supplies (UPSs), where each UPS collects a first current of the UPS within a collection period in a first duration. In a current equalization period in the first duration, a direct current to alternating current conversion module is controlled to output a first compensation current, where the first compensation current includes at least one of a first compensation reactive current component or a first quantity of first compensation harmonic components.