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Pat. 10782721 United States, Int. Cl.22 G05F 1/66, H02J 3/32, H02M 7/797, H02J 7/00. Method and apparatus for balancing power on a per phase basis in multi-phase electrical load facilities using an energy storage system : Appl. N 14/011591 : Filed 27.08.2013 : Pub. 22.09.2020 : / David Erhart, Craig Southeren, Ben Kearns, Jon Burlinson, Drew Stevens ; Assignee Stem Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10782721/en?oq=US10782721.html (дата обращения: ДД.ММ.ГГГГ).