Analysis and suppression of high-frequency inverter modulation in sensorless position-controlled induction machine drives

@inproceedings{Teske2003AnalysisAS,
  title={Analysis and suppression of high-frequency inverter modulation in sensorless position-controlled induction machine drives},
  author={Nikolas Teske and G. M. Asher and Mark Sumner and Keith J. Bradley},
  year={2003}
}
This paper focuses on the modulation of high-frequency (HF) currents required for sensorless position control of induction machine drives. Such drives can be realized by using the modulating effect of the rotor slots or from an engineered rotor saliency. Distortion due to saturation is known to cause a deterioration in the rotor position estimate. This paper reports a hitherto unreported distortion arising from inverter deadtime that will affect all sensorless drives using HF injection… CONTINUE READING

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