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A Simple Approach on Rotor Flux Estimation Without Integration for a DSP based Speed Sensorless Vector Control of Induction Motor
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| Author(s) |
Debashis Chatterjee, Ashoke Kumar Ganguli, Rupendranath Chakrabarti |
| Abstract |
In this paper a simple field orientation control
scheme for induction motor is described. The principle is
based on the idea of a simplified equivalent circuit of the
machine and the orientation of the fluxes, currents and
voltage vectors. Here the determination of stator flux avoids
integration, which is increasingly difficult when the speed
reference becomes lower down to zero. In order to estimate
the stator flux, a simple algorithm based on the principle of
orthogonality of stator flux and stator induced e.m.f. vectors
is used. The proposed control technique is validated by some
simulation results and also experiments were conducted
which showed conformity to the theoretical basis and
simulation results. |
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| Filename: | T5-107.pdf |
| Filesize: | 191.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-12 by System |
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