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Pat. 11258370 United States, Int. Cl.22 H02M 5/458, H01F 27/28, H02P 27/08. High frequency medium voltage drive system for high speed machine applications : Appl. N 16/205879 : Filed 30.11.2018 : Pub. 22.02.2022 : / Enrique Ledezma, Paulo Guedes-Pinto, Randall Pipho, Bhaskara Palle, Ryan Edwards, Alex Skorcz ; Assignee Teco Westinghouse Motor Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11258370/en?oq=US11258370.html (дата обращения: ДД.ММ.ГГГГ).