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. 19, 2013
Filed:
Feb. 24, 2010
Applicants:
Ghodratollah Esmaeili Rineh, Waterloo, CA;
Sang Woo Nam, On, KR;
Manish Pande, Cambridge, CA;
Zhongyuan Cheng, Cambridge, CA;
Inventors:
Ghodratollah Esmaeili Rineh, Waterloo, CA;
Sang Woo Nam, On, KR;
Manish Pande, Cambridge, CA;
Zhongyuan Cheng, Cambridge, CA;
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Current source converter (CSC) based motor drives and control techniques are presented in which DC link current is regulated to a level set by the output inverter during dynamic braking operation by pulse width modulation of a braking resistance connection signal to maintain control of motor torque and speed while mitigating or preventing line side regenerative currents.