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Compact realisation of PWM-VSI current controller for PMSM drive application using low cost standard microcontroller

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3 Author(s)
L. Norum ; Dept. of Electr. Eng. & Comput. Sci., Norwegian Inst. of Technol., Trondheim, Norway ; W. Sulkowski ; L. A. Aga

The authors present a completely digital realization of pulse-width-modulated (PWM)-VSI current controller for permanent-magnet synchronous motor (PMSM) drive application. The current control algorithm, including decoupling and compensation for machine parameter variation, is presented. The controller is implemented in a single-board control computer which is based on a 16 b microcontroller. Experimental results are presented. A 10 kHz sampling frequency for the current control loop was obtained. Current risetime to nominal value of less than 1 ms, without overshoot in the quadrature axis, and speed bandwidth up to 100 Hz were obtained

Published in:

Power Electronics Specialists Conference, 1992. PESC '92 Record., 23rd Annual IEEE

Date of Conference:

29 Jun-3 Jul 1992