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Pat. 10739799 United States, Int. Cl.22 G05F 1/14, G05F 1/147, H02J 3/18, H02M 3/335. Method and system for voltage regulation, control, protection and monitoring of state of on-load tap changers of power transformers, voltage regulators, and capacitor banks : Appl. N 15/004890 : Filed 22.01.2016 : Pub. 11.08.2020 : / Eduardo Pedrosa Santos ; Assignee Eduardo Pedrosa Santos ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10739799/en?oq=US10739799.html (дата обращения: ДД.ММ.ГГГГ).