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Pat. 11218022 United States, Int. Cl.22 H02J 9/06, H02M 1/08, H02M 3/04, H02M 5/458. Power conversion system and method of operating the same : Appl. N 16/703165 : Filed 04.12.2019 : Pub. 04.01.2022 : / Yuan-Fang Lai, Chiu-Feng Wang, Hao-Pin Su ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11218022/en?oq=US11218022.html (дата обращения: ДД.ММ.ГГГГ).