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:
Oct. 13, 1998
Filed:
Aug. 12, 1997
Applicant:
Inventor:
Ki-Bong Kim, Suwon, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318701 ; 318254 ;
Abstract
This invention provides a switched reluctance motor SRM speed control apparatus capable of accurately adjusting an amount of current flowing in a stator coil even at higher speed, thereby accomplishing higher speed control of the SRM, this preferably being accomplished by generating a resonant frequency corresponding to motor speed specified by a user, controlling, in a phase controlling stage, phase of a commercial AC voltage incoming from the external source with reference to the resonant frequency signal to adjust average voltage level, and increasing or decreasing the amount of current in the stator coil.