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. 27, 2017
Filed:
Jun. 11, 2013
Applicant:
Danfoss Drives A/s, Graasten, DK;
Inventor:
Michael Laursen, Kolding, DK;
Assignee:
Danfoss Drives A/S, Graasten, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 21/00 (2016.01); H02P 21/14 (2016.01); H02P 21/06 (2016.01); H02P 21/20 (2016.01); H02P 25/024 (2016.01); H02P 25/092 (2016.01);
U.S. Cl.
CPC ...
H02P 21/148 (2013.01); H02P 21/0003 (2013.01); H02P 21/06 (2013.01); H02P 21/20 (2016.02); H02P 25/024 (2016.02); H02P 25/092 (2016.02);
Abstract
A method for controlling an electric motor (such as a synchronous reluctance electric motor) is suggested, in which the torque angle in the d-q-reference frame is at least in part and/or at least at times varied depending on at least one working condition of the electric motor.