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Article | REF: D2900 V1

Introduction to digital control for electric machines

Authors: Mohamed Wissem NAOUAR, Éric MONMASSON, Ilhem SLAMA BELKHODJA, Ahmad Ammar NAASSANI

Publication date: November 10, 2009

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3. Illustrative examples

3.1 Digital realization of the MLI

Let's consider here the case of a three-phase voltage inverter whose control signals are generated by a PWM (pulse width modulation) process with carrier as shown in figure 8 . The aim of PWM control of a voltage inverter is to impose, at each carrier chopping period, an average voltage across each machine phase equal to its reference voltage. To achieve this objective, the reference voltages Vao∗ (t), Vbo∗ (t)  et  Vco∗ (t)...

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