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:
Apr. 28, 2020
Filed:
Jul. 16, 2018
Applicant:
Alpha Technologies Inc., Bellingham, WA (US);
Inventor:
Thanh Le, Ferndale, WA (US);
Assignee:
ALPHA TECHNOLOGIES SERVICES, INC., Bellingham, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/14 (2006.01); H02J 9/06 (2006.01); H02J 3/38 (2006.01); H02M 5/10 (2006.01);
U.S. Cl.
CPC ...
G05F 1/14 (2013.01); H02J 3/383 (2013.01); H02J 9/062 (2013.01); H02J 2009/067 (2013.01); H02M 5/10 (2013.01);
Abstract
A power supply system comprises a primary regulation system, a secondary regulation system, and a controller. The primary regulation system comprises a primary transformer and a primary tap switch array. The secondary regulation system comprising a secondary transformer and an adjustment power signal generator. The controller is configured to control the adjustment power signal generator to apply an adjustment power signal to the secondary transformer. The secondary transformer is configured to combine the adjustment power signal with a base power supply signal from the primary transformer.