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:
Jun. 01, 2021
Filed:
Aug. 08, 2019
Schneider Electric IT Corporation, West Kingston, RI (US);
Jingwen Xie, Shanghai, CN;
Tongfei Zhang, Shanghai, CN;
Chenlei Bao, Shanghai, CN;
Puyang Cheng, Shanghai, CN;
SCHNEIDER ELECTRIC IT CORPORATION, Foxboro, MA (US);
Abstract
According to one aspect, a UPS system is provided including an input configured to receive AC input power, an output configured to provide AC output power to a load, a rectifier coupled to the input, an inverter coupled to the rectifier and the output, an auxiliary branch coupled to the input and the output, and a controller coupled to the rectifier, the inverter, and the auxiliary branch, and configured to receive voltage information indicative of a voltage level of the AC input power and AC output power, select, based on the voltage information satisfying a first condition, a buck mode of operation, select, based on the voltage information satisfying a second condition, a freewheel mode of operation, and communicate one or more control signals to at least one of the rectifier, the inverter, and the auxiliary branch based on the selected mode of operation.