Browsing by Author "Liukkonen, Olli"

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    • Comparison Of Two- And Four-Pole Vsd Motors Up To 4000 RPM 
      Holopainen, Timo P.; Liukkonen, Olli; Jörg, Pieder (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Electric motors were originally developed for Directly-on-Line (DOL) operation. The speed of a motor was determined by the number of poles. A two-pole motor was used to reach 3600 rpm with 60 Hz grid frequency, and the ...