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Pat. 11128144 United States, Int. Cl.22 H02J 3/46, H02J 13/00, H02M 7/48, H02M 7/49. Grid access current control method without current sensor applicable to grid-connected inverter : Appl. N 16/627363 : Filed 17.10.2018 : Pub. 21.09.2021 : / Huafeng Xiao, Zheng Wang, Ming Cheng ; Assignee Southeast University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11128144/en?oq=US11128144.html (дата обращения: ДД.ММ.ГГГГ).