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A PRACTICAL IMPLEMENTATION OF A DSP BASED INDUCTION MOTOR DRIVE
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| Author(s) |
D. J. Atkinson; P. P. Acarnley |
| Abstract |
The practical implementation of a high performance induction motor drive is described. This system uses a 20kHz switching, 2kW IGBT inverter controlled by a TMS320C31 digital signal processor. In order to achieve rapid well damped torque response the drive is based on vector control principles. A digital space vector delta current controller is used to position the instantaneous stator current vector. The success of this method is due to the relatively high inverter switching rates. Both simulation and experimental results are included. Also a new current control strategy is proposed which operates with dc link current measurement only. This method uses a modified form of the above mentioned delta modulation scheme in which a redundant switching state is used to yield current vector position. Simulation results are included for this scheme. |
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| Filename: | Unnamed file |
| Filesize: | 2.535 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-05-21 by System |
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