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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.:

US 10305321 B1

PDFFull Text
Date of Patent:
May. 28, 2019

Filed:

Feb. 07, 2017

Automatic recovery control

Applicant:

Eguana Technologies, Calbary, Alberta, CA;

Inventors:

Daljit Ghotra, Calgary, CA;

Hoang Nguyen, Calgary, CA;

Russell J. Morash, Calgary, CA;

Keith W. Johnston, Calgary, CA;

Assignee:

EGUANA TECHNOLOGIES, Calgary, Alberta, CA (US);

Attorney:

Schwabe Williamson & Wyatt, PC

Primary Examiner:

Robert L Deberadinis

Int. Cl.
CPC ...
H02J 9/06 (2006.01); H01M 10/613 (2014.01); H01M 10/615 (2014.01); H01M 10/663 (2014.01); H01M 2/34 (2006.01); H02J 7/04 (2006.01); H02J 3/32 (2006.01); H02J 11/00 (2006.01); H02J 3/38 (2006.01); H01M 10/42 (2006.01); H02J 7/00 (2006.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H02J 9/062 (2013.01); H01M 2/348 (2013.01); H01M 10/613 (2015.04); H01M 10/615 (2015.04); H01M 10/663 (2015.04); H02J 3/32 (2013.01); H02J 3/383 (2013.01); H02J 7/04 (2013.01); H02J 11/00 (2013.01); H01M 2010/4271 (2013.01); H02J 7/0047 (2013.01); H02J 7/0063 (2013.01); H02J 7/022 (2013.01); H02J 2007/0095 (2013.01); Y02B 10/72 (2013.01); Y02E 10/563 (2013.01); Y02E 10/566 (2013.01); Y02E 70/30 (2013.01);
Abstract

An automatic battery recovery system includes a power conversion system (PCS) coupled between an AC power line and a DC power bus. The PCS is configured to convert between DC power from a battery system and AC power from the AC power line. An automatic recovery control (ARC) circuit is coupled in parallel with the PCS between the AC power line and the DC power bus. The ARC circuit is configured to convert AC power from the AC power line into DC power for powering the PCS based on a state-of-charge (SOC) of the battery system. The PCS includes an inverter coupled between the AC power line and the battery system and a digital signal processor (DSP) configured to command the inverter to charge the battery system from the AC power line while the DSP is being powered through the ARC circuit.

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