Multilevel Inverter with 18-sided Polygonal Voltage Space Vector for an Open-end Winding Induction Motor Drive

  title={Multilevel Inverter with 18-sided Polygonal Voltage Space Vector for an Open-end Winding Induction Motor Drive},
  author={S. Lakshminarayanan and G. Mondal and K. Gopakumar},
  journal={EUROCON 2007 - The International Conference on "Computer as a Tool"},
A simple multilevel inverter scheme with 18-sided polygonal voltage space vector structure is proposed for an induction motor drive with an open-end winding configuration. The motor is fed from one end with a conventional two-level inverter and from the other end with a three level inverter, realised by cascading two conventional two-level inverters. The inverters are fed with asymmetrical DC link voltages. A simple linear PWM control scheme up to 18-step mode is proposed, based only on the… Expand
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