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Pat. 10778112 United States, Int. Cl.22 H02M 5/458, F03D 9/25, H02K 7/18, H02M 1/00, H02M 1/12, H02M 7/219, H02M 7/23, H02M 7/493, H02M 7/5387, H02P 9/00, H02P 101/15. DFIG converter with active filter : Appl. N 15/944828 : Filed 04.04.2018 : Pub. 15.09.2020 : / Govardhan Ganireddy, Harold Robert Schnetzka, Robert Gregory Wagoner, Amy Marlene Ridenour, Kapil Jha, Yashomani Y. Kolhatkar, Arvind Kumar Tiwari ; Assignee General Electric Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10778112/en?oq=US10778112.html (дата обращения: ДД.ММ.ГГГГ).