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:
Apr. 10, 2018

Filed:

Jul. 19, 2012
Applicant:

Tomonari Kusunose, Higashiomi, JP;

Inventor:

Tomonari Kusunose, Higashiomi, JP;

Assignee:

KYOCERA CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 3/00 (2006.01); H02J 3/38 (2006.01); H02J 7/35 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
H02J 3/00 (2013.01); G01R 31/28 (2013.01); H02J 3/383 (2013.01); H02J 7/35 (2013.01); Y02E 10/563 (2013.01); Y02E 10/566 (2013.01); Y10T 307/549 (2015.04); Y10T 307/832 (2015.04);
Abstract

A fault diagnosis method of diagnosing a fault related to a PV PCS, configured to perform an interconnected operation in which a PVis interconnected to a grid: supplies power from independent operation output of the PV PCSto a storage PCSby an independent operation that does not interconnect the PVto the gridafter the grid interconnection apparatus stops the interconnected operation by detecting abnormality; measures an output power state of the PVand/or the PV PCSwhen power is supplied to the storage PCS; and determines that the fault occurs and performs an error process for notification to a user when the measured output power state does not satisfy a predetermined condition.


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