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Implementation of a vector controlled induction motor drive
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Date
2004
Author
Acar, Akın
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High dynamic performance, which is obtained from dc motors, became achievable from induction motors with the recent advances in power semiconductors, digital signal processors and development in control techniques. By using field oriented control, torque and flux of the induction motors can be controlled independently as in dc motors. The control performance of field oriented induction motor drive greatly depends on the correct stator flux estimation. In this thesis voltage model is used for the flux estimation. Stator winding resistance is used in the voltage model. Also leakage inductance, mutual inductance and referred rotor resistance values are used in vector control calculations. Motor control algorithms use motor models, which depend on motor parameters, so motor parameters should be measured accurately. Induction motor parameters may be measured by conventional no load and locked rotor test. However, an intelligent induction motor drive should be capable of identifying motor parameters itself. In this study parameter estimation algorithms are implemented and motor parameters are calculated. Then these parameters are used and rotor flux oriented vector control is implemented. Test results are presented.
Subject Keywords
Electric motors, Induction.
URI
http://etd.lib.metu.edu.tr/upload/1219286/index.pdf
https://hdl.handle.net/11511/13867
Collections
Graduate School of Natural and Applied Sciences, Thesis
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A. Acar, “Implementation of a vector controlled induction motor drive,” M.S. - Master of Science, Middle East Technical University, 2004.
