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Pat. 11374503 United States, Int. Cl.22 H02M 7/487, H02M 7/537, H02M 7/5387. DC compensation for power transformer through neutral DC injection : Appl. N 17/196152 : Filed 09.03.2021 : Pub. 28.06.2022 : / Klaehn W. Burkes, Vincent J. Ceyssens, Johan H. R. Enslin, Moazzam Nazir ; Assignee Clemson University, Savannah River Nuclear Solutions LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11374503/en?oq=US11374503.html (дата обращения: ДД.ММ.ГГГГ).