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Pat. 10917022 United States, Int. Cl.22 H02M 7/5387, H02M 1/00, H02M 1/32, H02M 1/36, H02M 3/156, H02M 7/48. Power conversion device and control method for power conversion device : Appl. N 16/314043 : Filed 06.06.2017 : Pub. 09.02.2021 : / Tetsuo Akita, Yusuke Shimizu, Naoki Ayai ; Assignee Sumitomo Electric Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10917022/en?oq=US10917022.html (дата обращения: ДД.ММ.ГГГГ).