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Pat. 10122296 United States, Int. Cl.22 H02M 7/53, H02M 1/32, H02M 7/48, H02M 7/539, H02M 1/00. Power converter, diagnostic system of power converter, and power converter diagnostic method using current change : Appl. N 15/123212 : Filed 22.06.2015 : Pub. 06.11.2018 : / Junichi Sakano, Kimihisa Furukawa, Takashi Ogawa, Hisashi Endou ; Assignee Hitachi Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10122296/en?oq=US10122296.html (дата обращения: ДД.ММ.ГГГГ).