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Low Speed and Regenerating Operation of Sensorless Vector Control System of Induction Motor Using Observer Gain Tuning and High Frequency Injection Technique
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| Author(s) |
Kazuhiro OHYAMA |
| Abstract |
This paper proposes the sensorless control system of induction motor using the observer gain tuning and high frequency injection techniques. The high frequency injection is activated by the condition of observer gain k. The high frequency injection technique is based on magnetic saliencies caused by the saturation and high frequency injection. In the test for low speed operations around zero stator frequency, the improvement of stability was verified under the condition of steady state and using the tuned resistance parameters. However the proposed method was not efficient for the transient responses, the possibility to eliminate the unstable operating region around zero stator frequency was shown. |
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| Filename: | 0657-epe2009-full-05383634.pdf |
| Filesize: | 644.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2010-01-27 by System |
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