Patents Assigned to Danfoss Customised Power Electronics
  • Method for starting a single-phase induction motor
    Patent number: 11563389
    Abstract: The invention relates to a method (19) for starting an electric single-phase induction motor (1), wherein during a start-up interval of the start-up cycle for starting said electric motor (1), the frequency (fref) of the electric current for driving said electric motor (1) is set to a first frequency (fstart), and later to the operating frequency (frun) of the electric motor (1), wherein the first frequency (fstart) is higher than the operating frequency (frun).
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: January 24, 2023
    Assignees: Danfoss Customised Power Electronics, Sta-Rite Industries Inc.
    Inventors: Torben Damsgaard, Robert Ehmsen, Florin Lungeanu, Rasmus Fink, Lars Berthelsen, Melissa Drechsel Kidd, William James Genaw, Micheal Robert Pasche, Gary Thomas Baase, II