Performance of HF signal injection techniques for zero-low-frequency vector control of induction Machines under sensorless conditions

A number of HF signal injection techniques have been proposed for the sensorless zero-low-frequency control of induction machines (IMs). This paper reviews these methods and experimentally investigates their performance under true sensorless conditions for a standard cage IM with closed rotor slots....

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Veröffentlicht in:IEEE transactions on industrial electronics (1982) 2006-02, Vol.53 (1), p.225-238
Hauptverfasser: Caruana, C., Asher, G.M., Sumner, M.
Format: Artikel
Sprache:eng
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Zusammenfassung:A number of HF signal injection techniques have been proposed for the sensorless zero-low-frequency control of induction machines (IMs). This paper reviews these methods and experimentally investigates their performance under true sensorless conditions for a standard cage IM with closed rotor slots. Implementation techniques covering hybrid methods, saliency decoupling, and saliency orientation are discussed. The paper concludes that, while HF techniques can outperform observer-based methods at low frequencies, the robust performance required for industrial application still presents a research challenge.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2005.862257