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Pat. 9871379 United States, Int. Cl.22 H02J 3/38, H02J 7/35, H02M 7/44. Smart microgrids and dual-output off-grid power inverters with DC source flexibility : Appl. N 14/625375 : Filed 18.02.2015 : Pub. 16.01.2018 : / George Shu-Xing Cheng, Steven L. Mulkey, Andrew J. Chow ; Assignee Cyboenergy Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9871379/en?oq=US9871379.html (дата обращения: ДД.ММ.ГГГГ).