In this article, we present a saturating controller to regulate the output voltage load in a three phase Boost type rectifier. The controller only needs the output voltage signal to be implemented. Moreover, by forcing the inductance currents to track desired suitable sinusoidal signals in phase with the input source voltages, the controller can ensure a near the unity power factor functioning of the system. The saturation feature in this controller is motivated by the fact that the allowed combinations of switches in the rectifier circuit define a finite set of allowed control vectors, moreover, the convex combinations of these vectors raise up a convex hull in the space of control inputs, an hexagon in this example. Thus, based upon the assumption of fast switching, we can ensure that any control vector lying inside this hexagon, and much more, inside its inscrit circle, can be physically implementable by means of a PWM strategy or a convex combination of the allowed control vectors.
A Saturated Output Feedback Controller for the Three Phase Voltage Sourced Reversible Boost Type Rectifier
1998-01-01
Escobar , G , Ortega , R & Schaft , A J V D 1998 , A Saturated Output Feedback Controller for the Three Phase Voltage Sourced Reversible Boost Type Rectifier . in Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society, 1998 . University of Groningen, Johann Bernoulli Institute for Mathematics and Computer Science .
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC: | 629 |
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