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:
Jun. 25, 2019
Filed:
Jul. 24, 2018
Applicant:
Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Inventor:
Hirokazu Tajima, Suzuka, JP;
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 21/24 (2016.01); H02P 21/10 (2016.01); H02P 21/14 (2016.01);
U.S. Cl.
CPC ...
H02P 21/10 (2013.01); H02P 21/24 (2016.02); H02P 21/141 (2013.01);
Abstract
A controller for an induction motor includes a proportional gain setter that sets a magnitude of a proportional gain of a current regulator, and the proportional gain setter sets the magnitude of the proportional gain based on the leakage inductance in response to the primary current.