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. 11, 2016
Filed:
Aug. 20, 2014
Applicant:
Beckhoff Automation Gmbh, Verl, DE;
Inventor:
Jens Onno Krah, Wuppertal, DE;
Assignee:
BECKHOFF AUTOMATION GMBH, Verl, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/538 (2007.01); H02M 7/5387 (2007.01); H02M 7/539 (2006.01); H02M 7/219 (2006.01); H02M 1/00 (2006.01); H02M 1/084 (2006.01);
U.S. Cl.
CPC ...
H02M 7/53871 (2013.01); H02M 1/084 (2013.01); H02M 7/219 (2013.01); H02M 7/539 (2013.01); H02M 2001/0003 (2013.01); H02M 2001/0025 (2013.01); H02M 2007/53876 (2013.01); H02M 2007/53878 (2013.01);
Abstract
A method of controlling a frequency converter comprises steps for measuring phase currents flowing in a three-phase supply network, for generating a first modulation space vector that comprises an angle that is synchronous to a supply voltage of the three-phase supply network and a determined modulation index as an amplitude, for generating a third modulation space vector depending on the first modulation space vector and the measured phase currents and for modulating the frequency converter according to the third modulation space vector.