Issue |
Eur. Phys. J. AP
Volume 5, Number 1, January 1999
|
|
---|---|---|
Page(s) | 51 - 61 | |
DOI | https://doi.org/10.1051/epjap:1999111 | |
Published online | 15 January 1999 |
https://doi.org/10.1051/epjap:1999111
A predictive sampling scale model for direct torque control of the induction machine fed by multilevel voltage-source inverters
1
Laboratoire d'Électronique et d'Électronique Industrielle
de l'ENSEEIHT (UMR CNRS 5828), 2 rue Ch. Camichel, BP 7122,
31071 Toulouse Cedex 7, France
2
Departamento Engenharia Electrotécnica e de Computadores ACI, FEUP Rua dos Bragas, 4099 Porto Codex, Portugal
Received:
22
April
1998
Revised:
16
September
1998
Accepted:
15
October
1998
Published online: 15 January 1999
This paper is aimed at the characterization of Electric Power Drive Systems based on the Induction Machine fed by Multi-level Voltage-source inverters, to be used within instantaneous torque and flux control methodologies. The input/output transfer function for a N-level inverter is discussed and the correspondent available output voltage vectors, as well as the input sequences that give them rise, represented in the stationary Park reference plane. Concerning the induction machine characterization, an analytical study on the torque and stator flux instantaneous behavior is made, demonstrating that the first one highly depends on the delivered torque and speed. In consequence, a sampling scale predictive model of the induction machine is deduced in order to make possible the optimal choice of the inverter configuration for a sampling period. Finally, a DEADBEAT based control law is discussed and simulated as an illustration example of both the voltage-inverter and induction machine models presented within this paper.
PACS: 84.30.Jc – Power electronics; power supply circuits / 84.50.+d – Electric motors
© EDP Sciences, 1999
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