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:
Mar. 30, 2021

Filed:

Sep. 19, 2019
Applicant:

Yazaki Corporation, Tokyo, JP;

Inventor:

Shuuji Satake, Susono, JP;

Assignee:

YAZAKI CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02S 40/32 (2014.01); H02J 3/38 (2006.01); G05F 1/67 (2006.01); H02J 7/35 (2006.01); G05F 1/66 (2006.01); H02J 7/34 (2006.01);
U.S. Cl.
CPC ...
H02J 3/383 (2013.01); G05F 1/67 (2013.01); H02J 7/35 (2013.01); H02S 40/32 (2014.12); G05F 1/66 (2013.01); H02J 3/38 (2013.01); H02J 7/34 (2013.01);
Abstract

A plurality of DC/DC converters is provided for each group of solar panels and is configured to convert an output power of the solar panels. A charger includes an input to which outputs of the plurality of DC/DC converters are connected and is configured to convert an input voltage with maintaining the input voltage to a lower limit voltage during charging. The control device controls each of the plurality of DC/DC converters independently. Each of the plurality of control devices is configured to control so as to gradually increase the output voltage of the DC/DC converter from the lower limit voltage, measure the output power of the solar panel each time the output voltage is increased, and search for the output voltage where the measured output power is maximum and maintain that output voltage.


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