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:
Apr. 27, 2010
Filed:
Apr. 16, 2008
Wolfgang Kabatzke, Geesthacht, DE;
Lars-ulrich Wiese-muller, Pinneberg, DE;
Detlef Schluter, Lubeck, DE;
Wolfgang Kabatzke, Geesthacht, DE;
Lars-Ulrich Wiese-Muller, Pinneberg, DE;
Detlef Schluter, Lubeck, DE;
Nordex Energy GmbH, Norderstedt, DE;
Abstract
A wind energy plant having at least one rotor blade with a pitch angle, the pitch angle being adjustable by means of a pitch controller, and a generator converter unit, at least one electrical quantity of the generator converter unit being adjustable by means of a converter controller, wherein the wind energy plant has a power train with a rotor having the at least one rotor blade, the rotor being disposed at a front end of the power train and the power train leading to the generator converter unit, wherein a first rotation speed detection unit is provided at the power train near the front end of the power train and a second rotation speed detection unit is provided at the power train near the generator converter unit, wherein the measured rotation speed nof the first rotation speed detection unit is applied as an input variable to the pitch controller and the measured rotation speed of the second rotation speed detection unit is applied as an input variable to the converter controller.