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Pat. 11303133 United States, Int. Cl.22 H02J 3/38, H02J 7/35, H02M 1/00, H02M 3/04. Photovoltaic inverter and method for operating a photovoltaic inverter : Appl. N 17/267616 : Filed 12.08.2019 : Pub. 12.04.2022 : / Ruben Overbeck, Gerhard Wallisch ; Assignee Fronius International Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11303133/en?oq=US11303133.html (дата обращения: ДД.ММ.ГГГГ).