In this paper, a novel high pertormances modulation unit for high power multi drive application is presented. It is mainly based on a intelligent PLD (Programmable Logic Device) based modulator connected via filed bus to several slave power units. The PLD master unit is characterized by a multi modulation strategy which implements a double strategy: a variable frequency technique, whose target is to change the switching frequency on the base of the power modules dead time and a ''single switch commutation technique", which allows to almost completely eliminate the blank time imposition during the switching operation. The proposed technique has been tested in a high performances parallel connection of VSI (Voltage Source Inverter).

High Performance Modulation System for Multi-Drives Application

ATTAIANESE, Ciro;NARDI, Vito;TOMASSO, Giuseppe
2006

Abstract

In this paper, a novel high pertormances modulation unit for high power multi drive application is presented. It is mainly based on a intelligent PLD (Programmable Logic Device) based modulator connected via filed bus to several slave power units. The PLD master unit is characterized by a multi modulation strategy which implements a double strategy: a variable frequency technique, whose target is to change the switching frequency on the base of the power modules dead time and a ''single switch commutation technique", which allows to almost completely eliminate the blank time imposition during the switching operation. The proposed technique has been tested in a high performances parallel connection of VSI (Voltage Source Inverter).
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11580/1477
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