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Pat. 11296610 United States, Int. Cl.22 H02M 3/335, G01R 19/165, H02M 1/00, H02M 3/00. Power conversion device, power conversion device control device, and power conversion device control method : Appl. N 16/331322 : Filed 21.12.2016 : Pub. 05.04.2022 : / Kimihisa Furukawa, Shintaro Tanaka, Takae Shimada, Akihiko Kanouda, Mizuki Nakahara, Yuuichi Mabuchi ; Assignee Hitachi Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11296610/en?oq=US11296610.html (дата обращения: ДД.ММ.ГГГГ).