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:
Jan. 14, 2020
Filed:
Jan. 31, 2017
Applicant:
San Diego Gas & Electric Company, San Diego, CA (US);
Inventors:
Yakov Shlemenzon, San Diego, CA (US);
Cory Mitsui, San Diego, CA (US);
Assignee:
San Diego Gas & Electric Company, San Diego, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 7/00 (2006.01); H02J 1/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0029 (2013.01); H02J 1/00 (2013.01); H02J 9/061 (2013.01); H02J 2007/004 (2013.01);
Abstract
An auxiliary power system for electrical substations is provided. The auxiliary power system enables both AC and DC equipment to be powered during prolonged power outages, and utilizes a substation fuel cell to provide a backup power source for designated black start cranking path substations.