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:
Feb. 19, 2019
Filed:
Jan. 14, 2015
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Tohoku Electric Power Co., Inc., Sendai-shi, Miyagi, JP;
Tohoku Electric Manufacturing Co., Ltd, Tagajo-shi, Miyagi, JP;
Masahiro Watanabe, Tokyo, JP;
Kenichiro Yamane, Tokyo, JP;
Takuya Matsumoto, Tagajo, JP;
Masatoshi Kumagai, Tokyo, JP;
Tsukasa Oonishi, Tokyo, JP;
Ryo Egashira, Tokyo, JP;
Katsuhiro Matsuda, Sendai, JP;
Jun Murakoshi, Tagajo, JP;
Tomoya Sato, Tagajo, JP;
Hitachi, Ltd., Tokyo, JP;
Tohoku Electric Power Co., Inc., Sendai-shi, JP;
Tohoku Electric Manufacturing Co., Ltd., Tagajo-shi, JP;
Abstract
The output of a photovoltaic power generator is estimated by estimating a solar radiation amount at a point different from solar radiation measurement points and determining an estimation error amount from solar radiation values measured at limited points. A photovoltaic power generator output estimation method estimates an output of a photovoltaic power generator based on a measured solar radiation value. The method includes a first estimation method of estimating a solar radiation amount at a photovoltaic power generator installation point from solar radiation meter installation point information, a value measured by a solar radiation meter, and photovoltaic power generator installation point information; a second estimation method of estimating the solar radiation amount at the photovoltaic power generator installation point in a manner different from that of the first estimation method; an output estimation method of estimating the output of the photovoltaic power generator from an estimated solar radiation amount and a rated capacity of the photovoltaic power generator; and an error estimation method of determining an estimation error of a photovoltaic power generator output from a difference between the first and second estimation methods.