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Pat. 10547251 United States, Int. Cl.22 H02M 7/487, H02M 1/08, H02M 7/539, H02M 1/00. Method for shutdown of an active neutral point clamped converter : Appl. N 16/192668 : Filed 15.11.2018 : Pub. 28.01.2020 : / Di Pan, Mark Edward Dame, Di Zhang, Jiangbiao He ; Assignee General Electric Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10547251/en?oq=US10547251.html (дата обращения: ДД.ММ.ГГГГ).