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Pat. 10924031 United States, Int. Cl.22 H02M 7/487, H02M 7/49, H02M 7/5387. Internal paralleled active neutral point clamped converter with logic-based flying capacitor voltage balancing : Appl. N 16/402743 : Filed 03.05.2019 : Pub. 16.02.2021 : / Yunwei Li, Zhongyi Quan ; Assignee University of Alberta ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10924031/en?oq=US10924031.html (дата обращения: ДД.ММ.ГГГГ).