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Pat. 10027125 United States, Int. Cl.22 H02M 7/44, H02J 3/38, H02M 7/493, H02S 40/32, H02M 1/12. Control method and system for photovoltaic inverters whose AC sides are connected in parallel : Appl. N 14/969411 : Filed 15.12.2015 : Pub. 17.07.2018 : / Nianan Pan, Lin Cheng, Lei Tao ; Assignee Sungrow Power Supply Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10027125/en?oq=US10027125.html (дата обращения: ДД.ММ.ГГГГ).