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:
Jan. 03, 2017
Filed:
Feb. 26, 2010
Applicants:
Mohamed Y. Haj-maharsi, Houston, TX (US);
Sandeep Bala, Raleigh, NC (US);
Le Tang, Cary, NC (US);
Inventors:
Assignee:
ABB Research Ltd., Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 7/797 (2006.01); H02M 5/10 (2006.01); H02M 5/458 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4233 (2013.01); H02M 1/4216 (2013.01); H02M 5/10 (2013.01); H02M 5/4585 (2013.01); Y02B 70/126 (2013.01);
Abstract
A hybrid distribution transformer is provided that includes an electromagnetic transformer and a voltage source converter that is operable to reduce fluctuation in the output voltage of the hybrid distribution transformer in the event of an increase or decrease in the input voltage.