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. 12, 2013
Filed:
Mar. 10, 2010
Kazuhiko Fukutani, Tokyo, JP;
Hideo Narisawa, Tokyo, JP;
Ryuichi Shimada, Tokyo, JP;
Takanori Isobe, Tokyo, JP;
Tadayuki Kitahara, Tokyo, JP;
Kazuhiko Fukutani, Tokyo, JP;
Hideo Narisawa, Tokyo, JP;
Ryuichi Shimada, Tokyo, JP;
Takanori Isobe, Tokyo, JP;
Tadayuki Kitahara, Tokyo, JP;
Other;
Abstract
In an induction motor group control system, magnetic energy recovery switches () are connected in series to an induction motor () directly driven by a commercial power supply, and a plurality of induction motor control devices () enabling voltage control and reactive power control of the induction motorare employed to control generation of reactive power so as to maximize a power factor of the entire plurality of AC loads including the induction motor or compensate variations in voltage of an AC power supply ().