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Pat. 11101661 United States, Int. Cl.22 H02J 1/10, H01F 38/42, H02J 3/38, H02M 3/00, H02M 3/24, H02M 3/335, H02M 7/00, H02M 7/06, H02M 7/217. Device for suppressing potential induced degradation and system : Appl. N 15/474086 : Filed 30.03.2017 : Pub. 24.08.2021 : / Yanfei Yu, Hua Ni, Zongjun Yang, Shangfang Dai ; Assignee Sungrow Power Supply Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11101661/en?oq=US11101661.html (дата обращения: ДД.ММ.ГГГГ).