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:
Feb. 04, 2025
Filed:
Mar. 03, 2022
Applicant:
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Liming Ye, Plano, TX (US);
Heping Dai, Plano, TX (US);
Ning Wang, Shenzhen, CN;
Gang Ye, Shenzhen, CN;
Assignee:
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/483 (2007.01); H02M 1/00 (2007.01); H02M 3/07 (2006.01);
U.S. Cl.
CPC ...
H02M 7/483 (2013.01); H02M 1/0095 (2021.05); H02M 3/07 (2013.01); H02M 7/4833 (2021.05);
Abstract
A method includes detecting a voltage signal of a three-level power converter, the voltage signal indicative of a capacitor voltage balancing in the three-level power converter, and dynamically adjusting an operating variable to adjust the voltage signal until the capacitor voltage balancing in the three-level power converter satisfies a criteria.