Patents by Inventor Lars Messing

Lars Messing 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).

  • Device and a method for power balancing
    Patent number: 7957844
    Abstract: A method for stabilization of the power balance in an electric power system including a number of nodes. An instantaneous value of the mains frequency of the electric power system is sensed. In dependence on the frequency deviation of the instantaneous value from a reference frequency value, a selected part of the electric power system, connected in a node, is disconnected in the node. A voltage amplitude value is sensed in the node. A measure of the magnitude of the deviation of the voltage amplitude value from a reference amplitude value is formed. A time lag is formed in dependence on the measure of the magnitude. The part of the electric power system is disconnected in dependence on the time lag.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: June 7, 2011
    Assignee: ABB AB
    Inventors: Lars Messing, Daniel Karlsson
  • Device and a method for power balancing
    Publication number: 20060255791
    Abstract: A method for stabilization of the power balance in an electric power system including a number of nodes. An instantaneous value of the mains frequency of the electric power system is sensed. In dependence on the frequency deviation of the instantaneous value from a reference frequency value, a selected part of the electric power system, connected in a node, is disconnected in the node. A voltage amplitude value is sensed in the node. A measure of the magnitude of the deviation of the voltage amplitude value from a reference amplitude value is formed. A time lag is formed in dependence on the measure of the magnitude. The part of the electric power system is disconnected in dependence on the time lag.
    Type: Application
    Filed: January 26, 2004
    Publication date: November 16, 2006
    Applicant: ABB ABB
    Inventors: Lars Messing, Daniel Karlsson