Библиографическая ссылка на патент
Pat. 10305274 United States, Int. Cl.22 H02M 1/36, H02H 9/00, H02H 9/04, H02M 1/40, H02M 1/42, H02M 5/22, H02M 7/12, H02M 7/48, H02H 7/045, H02M 5/12, H02M 7/483. Pre-magnetizing a transformer connected to a modular multilevel power converter : Appl. N 15/489203 : Filed 17.04.2017 : Pub. 28.05.2019 : / Robert Turner ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10305274/en?oq=US10305274.html (дата обращения: ДД.ММ.ГГГГ).