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. 23, 2006
Filed:
Mar. 09, 2004
John G. Tracy, Raleigh, NC (US);
Miguel E. Chavez, Raleigh, NC (US);
Robert W. Johnson, Jr., Raleigh, NC (US);
Rune Lennart Jonsson, Raleigh, NC (US);
John G. Tracy, Raleigh, NC (US);
Miguel E. Chavez, Raleigh, NC (US);
Robert W. Johnson, Jr., Raleigh, NC (US);
Rune Lennart Jonsson, Raleigh, NC (US);
Eaton Power Quality Corporation, Cleveland, OH (US);
Abstract
An uninterruptible power supply apparatus includes a first bidirectional power converter circuit having first and second ports and a second bidirectional power converter circuit having first and second ports. The apparatus further includes a DC link that couples the second port of the first bidirectional power converter circuit to the first port of the second bidirectional power converter circuit. A first load port is coupled to the second port of the second bidirectional power converter circuit and a second load port is coupled to the first port of the first bidirectional power converter circuit. The apparatus further includes a control circuit that is configured to control the first and second bidirectional power converter circuits such that each of the first and second bidirectional power converter circuits can generate and/or condition AC power at each of the first and second load ports.