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Sensorless Flux Model of Induction Machines using Cross-Saturation Effects Based on a Virtual Air Gap
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| Author(s) |
Guido TISBORN, Jochen SCHÃœTTLER, Bernd ORLIK |
| Abstract |
This paper presents a main flux oriented model of an induction machine which considers the saturation in both magnetizing and leakage inductances. The model is based on a virtual air gap. With this model it is possible to simulate the saturation characteristic and the cross-saturation effect. The validity of these results is proved with measurements on a test bench. A procedure is presented that shows the changes in cross-saturation by a test signal injection during standstill. The fitting machine model offers a new corresponding flux model without a position or speed sensor, which could identify the flux position by this cross-saturation influence. |
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| Filename: | 0349-epe2009-full-10260775.pdf |
| Filesize: | 2.403 MB |
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| Type |
Members Only |
| Date |
Last modified 2010-01-27 by System |
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