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Pat. 10404181 United States, Int. Cl.22 H02M 3/335, H02J 1/10, H02J 7/34, H02J 9/00, H02J 1/00, H02J 7/00, H02M 1/00, H02M 7/483. System and method for integrating hybrid energy storage into direct current power systems : Appl. N 15/237870 : Filed 16.08.2016 : Pub. 03.09.2019 : / Zhi Zhou, Di Zhang, Dong Dong, Tomas Sadilek ; Assignee General Electric Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10404181/en?oq=US10404181.html (дата обращения: ДД.ММ.ГГГГ).