Patents by Inventor Thomas Braam

Thomas Braam 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).

  • Reactive power controller for controlling reactive power in a wind farm
    Patent number: 9046077
    Abstract: A reactive power controller for controlling reactive power in a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion is provided. At least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. The reactive power controller includes a device for determining an actual reactive power value at the collector portion, and a wind farm controller operatively connected to the device for controlling at least one of said wind turbines on basis of the determined actual reactive power value such that a desired reactive power value is attained.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: June 2, 2015
    Assignee: General Electric Company
    Inventors: Andreas Kirchner, Enno Ubben, Thomas Braam
  • METHOD OF CONTROLLING REACTIVE POWER IN A WIND FARM
    Publication number: 20120136494
    Abstract: A method of controlling a wind farm is provided. The method includes providing a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion, wherein at least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. Electrical power is generated with at least one of said wind turbines and fed to the sub-grid to which the at least one wind turbine is connected. Then an actual reactive power value at the collector portion is determined and at least one of said wind turbines is controlled on basis of the determined actual reactive power value such that a desired reactive power value is attained.
    Type: Application
    Filed: December 21, 2011
    Publication date: May 31, 2012
    Inventors: Andreas KIRCHNER, Enno Ubben, Thomas Braam
  • REACTIVE POWER CONTROLLER FOR CONTROLLING REACTIVE POWER IN A WIND FARM
    Publication number: 20120101643
    Abstract: A reactive power controller for controlling reactive power in a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion is provided. At least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. The reactive power controller includes a device for determining an actual reactive power value at the collector portion, and a wind farm controller operatively connected to the device for controlling at least one of said wind turbines on basis of the determined actual reactive power value such that a desired reactive power value is attained.
    Type: Application
    Filed: December 28, 2011
    Publication date: April 26, 2012
    Inventors: Andreas Kirchner, Enno Ubben, Thomas Braam