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:
Nov. 07, 2023

Filed:

Jun. 03, 2022
Applicant:

Schneider Electric IT Corporation, Foxboro, MA (US);

Inventors:

Subhash Chand Bansal, Bangalore, IN;

Sumandra Ghosh Chowdhury, Bangalore, IN;

Murali Krishna Kalvakunta, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); G01R 31/327 (2006.01); G01R 31/40 (2020.01); H02M 3/04 (2006.01); H02M 7/44 (2006.01);
U.S. Cl.
CPC ...
H02J 9/06 (2013.01); G01R 31/3278 (2013.01); G01R 31/40 (2013.01); H02J 9/062 (2013.01); H02M 3/04 (2013.01); H02M 7/44 (2013.01);
Abstract

According to certain aspects of the disclosure, an uninterruptible power supply is provided comprising an input, a backup power supply, an output configured to provide output power from the input and/or the backup power supply, a sensor, a relay, and a controller coupled to the sensor and the relay and being configured to determine, based on stored relay specifications, a manufacturer total estimated relay lifetime, receive operational information indicative of operational parameters of operation of the relay from the sensor, the operational information including a current conducted by the relay, determine, based on the operational information, an effective number of relay cycles consumed by the operation of the relay, determine a modified number of remaining relay cycles based on a difference between the manufacturer total estimated lifetime and the effective number of relay cycles consumed, and output remaining relay lifetime information indicative of the modified number of remaining relay cycles.


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