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:
Dec. 31, 2019
Filed:
May. 26, 2017
Applicant:
North Carolina State University, Raleigh, NC (US);
Inventors:
Leonard W. White, Raleigh, NC (US);
Subhashish Bhattacharya, Raleigh, NC (US);
Assignee:
North Carolina State University, Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/56 (2006.01); H02M 3/335 (2006.01); H01H 33/59 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H01H 9/56 (2013.01); H01H 33/596 (2013.01); H02M 3/33576 (2013.01); H02M 2001/0058 (2013.01); Y02B 70/1491 (2013.01);
Abstract
Disclosed herein are methods and systems for causing a zero-current crossing in an electrical circuit. The circuit can be a DC circuit in which case a switch is caused to open at or nearly at the zero crossing. Alternatively, the circuit can be an AC circuit.