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MODELLING AND DIGITAL SIMULATION OF TWO CURRENT CONTROL METHODS FOR A PERMANENT MAGNET SYNCHRONOUS MOTOR SUPPLIED BY PWM-VSI
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| Author(s) |
T. Rekioua; M. Meibody-Tabar; F. M. Sargos; R. Le Doeuff |
| Abstract |
The present paper deals with two current control methods for a pulse width modulation controlled voltage source inverter (PWM-VSI) supplying a permanent magnet synchronous motor (PMSM). The first current control algorithm in d-q axes allows to achieve an independent control of the direct and quadrature currents for salient or smooth motors. Moreover the current loops reduce from second to first order, so that the regulators become simpler to design. The second method is an extension of the first algorithm applied to the three-phase current controllers of non salient PMSMs. This algorithm allows to control independently the phase currents without using the rotor position in the current loops. This study takes into account the sampling of the variables and their numerical precisions. Finally, the simulated results of both methods are compared: they prove to be identical. |
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| Filename: | Unnamed file |
| Filesize: | 2.381 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-08-15 by System |
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