Библиографическая ссылка на патент
Pat. 11515807 United States, Int. Cl.22 H02M 7/42, H02M 7/483, H02M 7/5387. Line frequency commutated voltage source converters for multiphase modular multilevel converters : Appl. N 17/477678 : Filed 17.09.2021 : Pub. 29.11.2022 : / Jian Liu, Dong Dong ; Assignee Virginia Tech Intellectual Properties Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11515807/en?oq=US11515807.html (дата обращения: ДД.ММ.ГГГГ).