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Pat. 10447169 United States, Int. Cl.22 H02M 5/458, H02J 3/18, H02M 1/42. Independent power factor and frequency control of electrical power generator : Appl. N 15/001945 : Filed 20.01.2016 : Pub. 15.10.2019 : / Tabrez Shakeel, Muhammed Rahim, Edward G. Benya, Jr., Otman Dinari ; Assignee General Electric Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10447169/en?oq=US10447169.html (дата обращения: ДД.ММ.ГГГГ).