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Pat. 10700624 United States, Int. Cl.22 H02P 9/30, F03D 9/25, H02M 5/44, H02M 5/458, H02P 9/02, H02M 1/00, H02P 101/15. Control of a wind turbine generator for reduced tonal audibility : Appl. N 16/326988 : Filed 11.08.2017 : Pub. 30.06.2020 : / Gert Karmisholt Andersen, Kent Tange, Soren Andersen, Duy Duc Doan, Jens Peter Biltoft, Lars Helle, John Godsk Nielsen ; Assignee Vestas Wind Systems As ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10700624/en?oq=US10700624.html (дата обращения: ДД.ММ.ГГГГ).