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. 21, 2023
Filed:
Jun. 13, 2022
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Ignacio Castro, Gijón, ES;
Ponggorn Kulsangcharoen, Solihull, GB;
Rodrigo Fernandez-Mattos, Solihull, GB;
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/12 (2006.01); H02M 1/44 (2007.01);
U.S. Cl.
CPC ...
H02M 1/4208 (2013.01); H02M 1/126 (2013.01); H02M 1/44 (2013.01);
Abstract
A power factor correction circuit comprising: a global voltage input; and means for deriving a reference current from the global voltage; whereby the means for deriving the reference current comprises a digital leading phase admittance cancellation, DLPAC, transfer function and a filter, whereby the reference current is derived from a sum of an output of the DLPAC transfer function and an output of the filter, and further comprising means for compensating for delays in the DLPAC function.