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Pat. 10483788 United States, Int. Cl.22 H02M 7/219, H02J 3/36, H02J 7/00, H02J 7/04. Charging method for sub-module based hybrid converter : Appl. N 16/466835 : Filed 12.01.2018 : Pub. 19.11.2019 : / Jiudong Ding, Yu Lu, Yunlong Dong, Haiying Li, Jie Tian, Defeng Qiu, Tiangui Jiang, Jianyang Lian ; Assignee Nr Electric Co Ltd, Nr Engineering Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10483788/en?oq=US10483788.html (дата обращения: ДД.ММ.ГГГГ).