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:
Jul. 17, 2012
Filed:
Aug. 28, 2009
Ahmed Mostafa El-antably, Indianapolis, IN (US);
Ayman Mohamed Fawzi El-refaie, Niskayuna, NY (US);
Robert Dean King, Schenectady, NY (US);
Ahmed Mostafa El-Antably, Indianapolis, IN (US);
Ayman Mohamed Fawzi El-Refaie, Niskayuna, NY (US);
Robert Dean King, Schenectady, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A system and method for exciting an electrical machine with instantaneous non-sinusoidal current waveforms is disclosed. The system includes an inverter that controls current flow and terminal voltages in an electrical machine. The controller is further programmed to receive feedback on an air gap magnetic field in the electrical machine generated by an initial sinusoidal current demand, generate a non-sinusoidal current demand based on received air gap magnetic field feedback, and input the non-sinusoidal current demand to the inverter, thereby causing the inverter to output a non-sinusoidal current.