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Pat. 10027247 United States, Int. Cl.22 H02J 3/38, H02J 3/26, H02J 3/34, H02J 9/06, H02M 7/44. Inverter, method for operating an inverter and energy supply installation with an inverter : Appl. N 14/758974 : Filed 22.10.2013 : Pub. 17.07.2018 : / Claus Allert, Thorsten Buleo, Markus Hopf ; Assignee Sma Solar Technology Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10027247/en?oq=US10027247.html (дата обращения: ДД.ММ.ГГГГ).