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Pat. 11025052 United States, Int. Cl.22 H02H 7/125, H02H 1/00, H02H 7/12, H02H 7/122, H02M 1/32, H02M 1/36, H02M 5/458, H02M 7/219, H02P 27/06. SCR based AC precharge protection : Appl. N 15/876287 : Filed 22.01.2018 : Pub. 01.06.2021 : / Andrew J. Roberts, Yogesh P. Patel, Jiangang Hu, Lixiang Wei ; Assignee Rockwell Automation Technologies Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11025052/en?oq=US11025052.html (дата обращения: ДД.ММ.ГГГГ).