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Pat. 10613126 United States, Int. Cl.22 G01R 21/133, G01R 27/16, H02M 1/42, H02M 5/14, H02M 5/458, H02M 7/23, G01R 29/16, H02P 23/14. Method to determine three-phase load impedances driven by a power control device when no neutral reference is available in an alternative electrical network : Appl. N 15/865456 : Filed 09.01.2018 : Pub. 07.04.2020 : / Remi Cabaussel, Loris Morassutto ; Assignee Eurotherm Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10613126/en?oq=US10613126.html (дата обращения: ДД.ММ.ГГГГ).