Библиографическая ссылка на патент
Pat. 10199823 United States, Int. Cl.22 H02J 3/38, H02J 3/00, H02M 7/49, H02J 3/32, H02M 1/00, H02M 7/483. Chain-link converter system with different DC-sources and method for operation : Appl. N 14/420264 : Filed 07.08.2012 : Pub. 05.02.2019 : / Jean-Philippe Hasler, Falah Hosini ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10199823/en?oq=US10199823.html (дата обращения: ДД.ММ.ГГГГ).