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:
Mar. 25, 2003
Filed:
Oct. 31, 2000
Eugene Filmore Kea, Boones Mill, VA (US);
General Electric Co., Schnectady, NY (US);
Abstract
A system and method for improving transient speed response of electric motors includes a comparator that determines a difference between a current reference and an adjusted current reference generated by the electric motor drive system, and an integrator the receives and integrates the difference between the current reference and the adjusted current reference over time to yield total accumulated lost current-seconds, and outputs at least a portion of the integrated difference between the current reference and the adjusted current reference as current-seconds to be added to the current reference. The present invention keeps track of the total accumulated loss-seconds due to current rate limitations, and restores the total accumulated lost current-seconds to the system when current becomes available.