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Pat. 11152853 United States, Int. Cl.22 H02M 3/07, H02M 1/00. Power device including parallel power conversion modules and cascaded power conversion units : Appl. N 16/527881 : Filed 31.07.2019 : Pub. 19.10.2021 : / Ming Li, Yiqing Ye, Chengshang Yang ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11152853/en?oq=US11152853.html (дата обращения: ДД.ММ.ГГГГ).