Direct torque and frequency control of double-inverter-fed slip-ring induction motor drive

@article{Poddar2004DirectTA,
  title={Direct torque and frequency control of double-inverter-fed slip-ring induction motor drive},
  author={Gautam Poddar and V. T. Ranganathan},
  journal={IEEE Transactions on Industrial Electronics},
  year={2004},
  volume={51},
  pages={1329-1337}
}
A novel sensorless scheme for direct torque and frequency control of a double-inverter-fed slip-ring induction motor is presented. The analysis of a double-inverter-fed induction motor is given to derive the proposed controller. Various frequency profiles are analyzed for a direct frequency controller. A novel frequency profile is suggested to make the sensorless drive operation reliable and machine parameter independent at any rotor speed. Simulation and experimental results are presented from… 
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Poddar was the recipient of an Indian National Academy of Engineers (INAE) Young Engineer Award in
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