Direct torque control with imposed switching frequency in an 11-level cascaded inverter

  title={Direct torque control with imposed switching frequency in an 11-level cascaded inverter},
  author={Jos{\'e} R. Rodriguez and Jorge Pontt and Samir Kouro and Pablo Correa},
  journal={IEEE Transactions on Industrial Electronics},
This paper presents the application of direct torque control in an induction motor, using a multilevel cascaded inverter with separated DC sources. The control strategy operates with imposed switching frequency, improving torque behavior. The paper studies the theoretical concepts related to this method, like vector selection, state variables estimation, and commutation time calculation. In addition, this paper presents results for a three- and eleven-level inverter-fed drives, from which it… CONTINUE READING
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