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Pat. 10763761 United States, Int. Cl.22 H02M 7/219, H02J 7/02, H02J 7/34, H02J 7/10. Charging method for sub-module based hybrid converter : Appl. N 16/469086 : Filed 12.01.2018 : Pub. 01.09.2020 : / 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/US10763761/en?oq=US10763761.html (дата обращения: ДД.ММ.ГГГГ).