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:
Oct. 19, 2021

Filed:

Apr. 02, 2019
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Yasufumi Takahashi, Osaka, JP;

Tomoki Ito, Hyogo, JP;

Atsushi Shimizu, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 3/32 (2006.01); H01M 8/22 (2006.01); H02J 3/38 (2006.01); G05F 1/66 (2006.01); H01M 8/04313 (2016.01);
U.S. Cl.
CPC ...
H02J 3/32 (2013.01); G05F 1/66 (2013.01); H01M 8/22 (2013.01); H02J 3/387 (2013.01); H01M 8/04313 (2013.01);
Abstract

A power system includes: a storage battery; a water electrolyzer; a fuel cell that generates electricity using hydrogen supplied from a hydrogen reservoir that stores hydrogen generated by the water electrolyzer; a detector that detects whether there is a person in a building; and a controller that performs at least one of first control and second control. The first control determines a priority between the storage battery and the water electrolyzer, to which electric power is supplied from a power generation device using renewable energy, based on information detected by the detector. The second control determines a priority between the storage battery and the fuel cell, from which electric power is supplied to a power load provided in the building, based on the information detected by the detector.


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