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. 27, 2015
Filed:
Sep. 19, 2011
Mirza Akmal Beg, Pepperell, MA (US);
Eyob Demissie, Lowell, MA (US);
Venkatraman Chennakesavan, Groton, MA (US);
Michael J. Ingemi, Norwood, MA (US);
Mirza Akmal Beg, Pepperell, MA (US);
Eyob Demissie, Lowell, MA (US);
Venkatraman Chennakesavan, Groton, MA (US);
Michael J. Ingemi, Norwood, MA (US);
SCHNEIDER ELECTRIC IT CORPORATION, West Kingston, RI (US);
Abstract
According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS coupled in parallel to provide output power to a load from a power source, each of the first UPS and the second UPS having an inverter and having a bypass switch, with each UPS configured to operate in one of an inverter mode in which output power is derived from the power source through the inverter, and a bypass mode in which output power is derived from the power source bypassing the inverter, the method comprising powering on the first UPS and the second UPS in the inverter mode of operation, designating one of the first UPS and the second UPS as a master UPS, and controlling the bypass switch of the first UPS and the bypass switch of the second UPS using the master UPS.