Patents by Inventor Rafael SEGUNDO

Rafael SEGUNDO 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).

  • Time delay compensation in power system control
    Patent number: 8497602
    Abstract: A method and controller are provided for the compensation of time delays in remote feedback signals in power system control. The method includes converting the time delay into a phase shift and calculating four compensation angles from the phase shift. The optimal compensation angle is determined and applied to the remote feedback signals. A technique of equipping a controller with a global clock is also disclosed.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: July 30, 2013
    Assignee: ABB Research Ltd
    Inventors: Petr Korba, Rafael Segundo, Bertil Berggren, Andrew D. Paice, Rajat Majumder
  • TIME DELAY COMPENSATION IN POWER SYSTEM CONTROL
    Publication number: 20110126038
    Abstract: A method and controller are provided for the compensation of time delays in remote feedback signals in power system control. The method includes converting the time delay into a phase shift and calculating four compensation angles from the phase shift. The optimal compensation angle is determined and applied to the remote feedback signals. A technique of equipping a controller with a global clock is also disclosed.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 26, 2011
    Applicant: ABB RESEARCH LTD
    Inventors: Petr KORBA, Rafael SEGUNDO, Bertil BERGGREN, Andrew D. PAICE, Rajat MAJUMDER