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.

Date of Patent:
Dec. 03, 2024

Filed:

Jan. 07, 2021
Applicant:

Eaton Intelligent Power Limited, Dublin, IE;

Inventors:

Huaichao Zhang, Shenzhen, CN;

Xiang Zhang, Shenzhen, CN;

Songsheng Fang, Guangdong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02M 1/44 (2007.01);
U.S. Cl.
CPC ...
H02J 9/062 (2013.01); H02M 1/44 (2013.01);
Abstract

The present invention provides an online interactive uninterruptible power supply and method for control thereof. The online interactive uninterruptible power supply includes: an automatic voltage regulator and a changeover switch which are sequentially connected between an AC input and an AC output; a rectifying circuit, an input of the rectifying circuit being connected to the AC input; a charger, an input of the charger being connected to an output of the rectifying circuit and an output of the charger being configured for connection to a rechargeable battery; a DC-DC converter, an input of the DC-DC converter being connected to the rechargeable battery; and a first inverter, an input of the first inverter being connected to an output of the DC-DC converter. The changeover switch is configured to controllably connect the AC output to one of the automatic voltage regulator and an output of the first inverter. The online interactive uninterruptible power supply of the present invention can realize battery-free AC startup.


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