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Pat. 10345362 United States, Int. Cl.22 G01R 27/16, G01R 27/26, G01R 31/08, G01R 31/44, H02H 1/00, H02H 7/122, H02J 3/38, H02M 1/00, H02M 1/084, H02M 7/42, H02M 7/5387. Method for detecting grid connection stability of inverter and inverter : Appl. N 15/855396 : Filed 27.12.2017 : Pub. 09.07.2019 : / Fangcheng Liu, Kai Xin ; Assignee Huawei Technologies Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10345362/en?oq=US10345362.html (дата обращения: ДД.ММ.ГГГГ).