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Pat. 10003198 United States, Int. Cl.22 H02J 3/38, G01R 23/20, H02J 3/01, H02M 1/12, H02M 7/42, H02M 1/00. Method and device for monitoring and suppressing resonance : Appl. N 14/850649 : Filed 10.09.2015 : Pub. 19.06.2018 : / Nianan Pan, Lin Cheng, Lei Tao ; Assignee Sungrow Power Supply Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10003198/en?oq=US10003198.html (дата обращения: ДД.ММ.ГГГГ).