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Pat. 11119159 United States, Int. Cl.22 G01R 31/54, G01R 31/40, H02M 7/487, H02M 7/537, H02P 27/08. On-line diagnostic method for electronic switch faults in neutral-point-clamped converters : Appl. N 15/775247 : Filed 10.11.2016 : Pub. 14.09.2021 : / Jiangbiao He, Nabeel A. O. Demerdash ; Assignee Marquette University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11119159/en?oq=US11119159.html (дата обращения: ДД.ММ.ГГГГ).