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:
Aug. 28, 2012
Filed:
Jun. 30, 2009
Enrique Ledezma, Austin, TX (US);
Thomas Keister, Georgetown, TX (US);
Mehdi Abolhassani, Austin, TX (US);
Ryan Edwards, Round Rock, TX (US);
Alex Skorcz, Cedar Park, TX (US);
Randall Pipho, Learder, TX (US);
Srinivas Satumahanti, Austin, TX (US);
Enrique Ledezma, Austin, TX (US);
Thomas Keister, Georgetown, TX (US);
Mehdi Abolhassani, Austin, TX (US);
Ryan Edwards, Round Rock, TX (US);
Alex Skorcz, Cedar Park, TX (US);
Randall Pipho, Learder, TX (US);
Srinivas Satumahanti, Austin, TX (US);
TECO-Westinghouse Motor Company, Round Rock, TX (US);
Abstract
In one embodiment, a medium voltage drive system includes at least one transformer and multiple power cell chambers each coupled to a transformer. The power cell chambers each may include a rectifier, a DC-link, and an inverter. Each power cell chamber can be separated into fixed and moveable portions, where the moveable portion includes the rectifier and the inverter and the fixed portion includes the DC-link. A power service bus can couple the fixed and moveable portions of each power cell chamber and couple in series groups of the plurality of power cell chambers.