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Pat. 10248148 United States, Int. Cl.22 G05F 1/70, H02J 3/18, H02M 5/45, H02M 5/46, H02M 7/483, H02M 7/49. Converter for symmetrical reactive power compensation, and a method for controlling same : Appl. N 15/310474 : Filed 22.05.2014 : Pub. 02.04.2019 : / Mike Dommaschk, Martin Pieschel ; Assignee Siemens Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10248148/en?oq=US10248148.html (дата обращения: ДД.ММ.ГГГГ).