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:
May. 10, 2005
Filed:
Mar. 28, 2001
Applicant:
Sonke Siegfriedsen, Friedrichstadt, DE;
Inventor:
Sonke Siegfriedsen, Friedrichstadt, DE;
Assignee:
Aerodyn Engineering GmbH, Renosburg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D009/00 ; F03D007/04 ; H02P009/00 ; H02K029/00 ;
U.S. Cl.
CPC ...
Abstract
A method for operating a wind power plant which is provided with a device for regulating the speed of a rotor of the wind power plant. The method includes the steps of: determining the critical frequency of the respective turbine and/or turbine components, determining the speed range of the rotor in which the entire turbine and/or individual turbine components are excited in the vicinity of their critical frequencies and operation of the wind turbine plant only below and above the critical range; the latter being traversed rapidly.