Method of operating a wind power installation and a wind...

Prime-mover dynamo plants – Electric control – Fluid-current motors

Reexamination Certificate

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C290S055000, C322S020000

Reexamination Certificate

active

06984898

ABSTRACT:
The present invention concerns a method of operating a wind power installation comprising an electric generator drivable by a rotor for outputting electrical power to an electrical consumer, in particular an electrical network.The invention further concerns a wind power installation comprising a rotor and an electric generator coupled to the rotor for outputting electric power to an electrical consumer, in particular an electrical network.The object of the present invention is to provide a method of operating a wind power installation, and a wind power installation, which avoid the disadvantages of the state of the art and in particular avoid voltage over-fluctuations at the consumer, in particular an electrical network, and unwanted shut-down of the wind power installation.In a method of the kind set forth in the opening part of this specification, that object is attained by the invention in that the power delivered to the network by the wind power generator is regulated in dependence on the applied network voltage of the power supply network.

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patent: 5637985 (1997-06-01), Kakizaki et al.
patent: 6137187 (2000-10-01), Mikhail et al.
patent: 6784564 (2004-08-01), Wobben
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patent: 296 21 449 (1997-03-01), None
Office Action dated Oct. 18, 2001 U.S. Appl. No. 09/581,887, filed Jul. 19, 2000.
“The Technical Sensation: Enercon-40”: undated brochure by ENERCON GmbH, Aurich-Germany; 14 pp.; all portions in English language 2001.
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“The Benchmark In Windenergy Technology E-40”; undated brochure except for May 12, 2003 date stamp perhaps by EPO; 1-28pp.; by ENERCON; all portions in English language.
“Power Conversion For The Connection To The Medium-Voltage Grid Of A Variable Speed Wind Generator”; dated Mar. 6-12, 2003 at European Community Wind Energy Conference in Lubeck-Travermonde, Germany; 646-650pp.: by S. Avolio et al.; all portions in English language.
“Del 3: Overtoner Og Driftsforhold Ved Invertetilsluttede Vindmøller”; brochure dated Jan. 1996 in Lyngby, Denmark; 65-67pp in Danish; pertinent portions in English language.
“Grid Integration Of Wind Energy Conversion Systems”; 1998 copyright by John Wiley & Sons, West Sussex, England; 210-211pp., 273-278pp, 326-339pp; by Siegfried HEIER of Kassel University in Germany: all portions in English language.
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“Declaration Concerning Grid Monitioring In Wind Turbines Manufactured And Sold By Bonus Energy A/S”; dated Apr. 7 2004; by Henrik Stiesdal, Technical Director of Bonus Energy A/S, in Brande, Denmark; entire 1 page in English ; (Note: This declaration refers to Cite No. BJ and BK above).
“Error Response List”; dated Jan. 12, 1997 1-19pp; by supplier KK-Electronic A/S and manufacturer Bonus Energy A/S; all portions in English language.
Dewek '96: Deutsche Winenergie-Konferenz ; group session held on Oct. 24, 1996; presented by DEWI (Deutsches Windenergie-Institut Gemeinnützige GmbH); Meeting No. 1-10 with Table of Contents in German: but whereas Meeting No. 7 was presented by the present inventor Aloys Wöbben with an English language translation attached hereto.
“Windkraftanlagen Im Netzbetrieb”; 1996 copyright, published by BG Teubner Stuttgart; author Siegfried Heier of Kassel University in Germany;.

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