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Pat. 10669989 United States, Int. Cl.22 H02M 5/458, F03D 1/00, F03D 3/00, F03D 7/02, F03D 7/04, F03D 9/25, H02J 3/38, H02K 7/18, H02M 1/00, H02M 7/493. Apparatus for driving and controlling converters and switching element modules in a wind power generation system : Appl. N 15/408159 : Filed 17.01.2017 : Pub. 02.06.2020 : / Sanghoey Lee, Jeonghoon Lee ; Assignee Doosan Heavy Industries and Construction Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10669989/en?oq=US10669989.html (дата обращения: ДД.ММ.ГГГГ).