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:
May. 06, 2025
Filed:
Aug. 05, 2020
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Shinichi Furutani, Tokyo, JP;
Shoji Adachi, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 21/10 (2015.12); G01R 19/00 (2005.12); H02P 21/20 (2015.12); H02P 29/032 (2015.12);
U.S. Cl.
CPC ...
H02P 21/10 (2012.12); G01R 19/0092 (2012.12); H02P 21/20 (2016.01); H02P 29/032 (2016.01);
Abstract
A motor iron-loss calculation device calculates an iron-loss value of a motor on the basis of a primary frequency and a q-axis current component in a dq-axis rotating coordinate system having a d axis in a rotor magnetic flux direction of the motor.