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Pat. 11139657 United States, Int. Cl.22 H02J 7/35, H02J 3/32, H02J 3/38, H02J 7/00, H02M 3/156, H02M 3/158, H02M 7/48, H02M 7/5387, H02M 1/00. Power conversion system and control method therefor : Appl. N 15/765921 : Filed 20.10.2016 : Pub. 05.10.2021 : / Yoshiharu Nakajima, Naoki Ayai, Yusuke Shimizu ; Assignee Sumitomo Electric Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11139657/en?oq=US11139657.html (дата обращения: ДД.ММ.ГГГГ).