Wind farm power control system
CA 2608034 C · Owner: Stiesdal, Henrik · Inventors: Stiesdal, Henrik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of controlling the dynamic power factor or the reactive power of a wind farm is provided. The wind farm comprises a number of wind turbines (5 7) connected to a utility grid which is to be driven with a requested power factor or a requested reactive power. The method consists of the following steps: a) the wind farm power factor or the wind farm reactive power are measured and compared with the requested power factor or with the requested reactive power, respectively; b) the ratio of the wind farm voltage to the utility grid voltage is adjusted, c) the output voltage of the individual wind turbines (5, 7) is regulated to correspond to a specific voltage set point; and at …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 12, 2006 and granted March 31, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 12, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.