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. 09, 2010
Filed:
Jun. 28, 2007
Masaya Ichinose, Hitachiota, JP;
Shinya Oohara, Hitachi, JP;
Motoo Futami, Hitachiota, JP;
Tadashi Sodeyama, Hitachi, JP;
Kazuhiro Imaie, Hitachi, JP;
Masaya Ichinose, Hitachiota, JP;
Shinya Oohara, Hitachi, JP;
Motoo Futami, Hitachiota, JP;
Tadashi Sodeyama, Hitachi, JP;
Kazuhiro Imaie, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A variable speed wind power generation system including a wind turbine, a generation power command unit for generating a generation power command value based on a state quantity of the wind turbine and a generator control unit for controlling the power converter for controlling electric power of the generator, wherein the generator control unit operates to regulate the generation power of the generator in order to change the generation power amount according to the generation power command value.