Patents by Inventor Kadry Sadex

Kadry Sadex 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).

  • Control of a HVT (high voltage D-C transmission) short coupler
    Patent number: 4320444
    Abstract: Method for controlling a high-voltage d-c (HVDC) transmission installation with a short coupler according to the marginal current method, which includes levelling out voltage variations of longer than a given duration in the three-phase voltages at terminals of the short coupler with step switches of the converter transformers, and controlling the invertor to form a constant control angle.
    Type: Grant
    Filed: January 9, 1980
    Date of Patent: March 16, 1982
    Assignee: Brown, Boveri & Cie AG
    Inventors: Michael Hausler, Kadry Sadex