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Pat. 11177660 United States, Int. Cl.22 H02J 3/18, H02M 7/5395. System and method for power converter control for virtual impedance : Appl. N 16/752952 : Filed 27.01.2020 : Pub. 16.11.2021 : / Shyam Sunder Ramamurthy, Christopher Joseph Lee ; Assignee Mitsubishi Electric Power Products Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11177660/en?oq=US11177660.html (дата обращения: ДД.ММ.ГГГГ).