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Pat. 9871380 United States, Int. Cl.22 H02J 7/34, G06K 9/00, H02J 1/00, H02J 1/10, H02J 3/00, H02J 3/38, H02J 7/00, H02M 3/04, H02M 7/04, H02M 7/44, H04N 7/18. Methods and apparatus to protect solar power plants : Appl. N 14/997990 : Filed 18.01.2016 : Pub. 16.01.2018 : / George Shu-Xing Cheng, Steven L. Mulkey ; Assignee Cyboenergy Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9871380/en?oq=US9871380.html (дата обращения: ДД.ММ.ГГГГ).