Patents by Inventor Alexandr I. Boyarsky

Alexandr I. Boyarsky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and regulating device for controlling high-voltage direct current transmission system
    Patent number: 4279009
    Abstract: A method for controlling a high-voltage direct current transmission system having a rectifier and an inverter of the controlled valve type, including the step of reducing the reference value of the current supplied from the rectifier to the inverter in a direct relationship to the value of the differencae between a predetermined value and the smallest of the margin angles of the inverter valves when the smallest of the margin angles of the inverter valves falls below the predetermined value, the current reference value being set above or equal to the minimum permissible value.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: July 14, 1981
    Inventors: Valery A. Andronov, Alexandr I. Boyarsky, Viktor I. Emelyanov, Iosif B. Nabutovsky