Selaus avainsanan mukaan kokoelmassa "active filter"Väitöskirjat

    • Active du/dt Filtering for Variable-Speed AC Drives 

      Ström, Juha-Pekka
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 17.12.2009)
      An oscillating overvoltage has become a common phenomenon at the motor terminal in inverter-fed variable-speed drives. The problem has emerged since modern insulated gate bipolar transistors have become the standard choice ...
    • Active inverter output filtering methods 

      Korhonen, Juhamatti
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.10.2012)
      Frequency converters are widely used in the industry to enable better controllability and efficiency of variable speed AC motor drives. Despite these advantages, certain challenges concerning the inverter and motor ...