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Pat. 11509215 United States, Int. Cl.22 H02M 3/156, H02M 1/42, H02M 7/217. Power control apparatus and power control method with oscillation control : Appl. N 17/001661 : Filed 24.08.2020 : Pub. 22.11.2022 : / Nobuyuki Hiasa ; Assignee Fuji Electric Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11509215/en?oq=US11509215.html (дата обращения: ДД.ММ.ГГГГ).