B. FRANCOIS, J.P. HAUTIER, "A direct modulation of electrical conversions for a multilevel NPC chopper", CSCC'2001.

B. FRANCOIS, J.P. HAUTIER, "A direct modulation of electrical conversions for a multilevel NPC chopper", CSCC'2001. Copyright - [Précédente] [Première page] [Suivante] - Home

Article : [ART290]

Titre : B. FRANCOIS, J.P. HAUTIER, A direct modulation of electrical conversions for a multilevel NPC chopper, CSCC'2001.

Cité dans : [CONF072] CSCC, IEEE world muticonference on Circuits, Systems, Communications & Computers, juillet 2002.
Cité dans :[PAP344]
Cité dans :[DIV393]

Auteur : B. François
Auteur : J.P. Hautier

Adresse : L2EP - Ecole Centrale de Lille, Cité scientifique, B.P. 48, 59651 Villeneuve d'Ascq CEDEX, France
Lien : mailto:bruno.francois@ec-lille.fr
Site : http://www.univ-lille1.fr/l2ep/
Source : CSCC'2001
Lien : private/BFRANCOIS3.pdf - 202 Ko, 6 pages.
Vers : Bibliographie

Abstract :
In this paper the methodology of the Causal Ordered Graph (COG) is used for the modelling of a
Neutral Point Clamped (NPC) chopper. The obtained modelling shows that high-voltage multi levels are
obtained by combination of two different three-level functions which are called conversion functions.
Therefore a novel PWM strategy is deduced. It consists of a separated modulation for creating two fictive
modulated voltage systems via the direct width modulation and the position setting of both conversion
functions. The redundancy of different switches configurations for the voltage half value allows to use a
particular modulation technique which limits the deviations of the capacitor voltage. Switching patterns are
deduced and a decoupling control of the capacitor voltage and the supply current is designed.

Keywords : Neutral Point Clamped Converter, Modulation strategy, Electrical conversion, Multilevel chopper

Bibliographie

References 5
[1] : Meynard T., Foch H., " Dispositif électronique de conversion d'énergie électrique ", patent: FR N°9109582, Europe, Japon, USA, Canada N°9200652
[2] : Wilkinson R. H., Meynard T., Richardeau F., Enslin J.H.R., " Dynamic control and voltage balance of multilevel converters: Large signal one-cycle response ", EPE'99, Lausanne, CD
[3] : B. François, J.P. Hautier, " Pulse Position and Pulse Width Modulation of Electrical Power Conversions: Application to a Three-Phase Voltage-Fed Inverter ", 3rd International Symposium on Advanced Electromechanical Motion Systems: ELECTROMOTION 1999
[4] : Ralaivao H., François B., Hautier J.P., "A Strategy for Modelling and Controlling a Single Phase Multilevel Inverter in Mean Values", Progress in Simulation, Modeling, Analysis and Synthesis of Modern Electrical and Electronic Devices and Systems, p. 348-353, World Scientific Engineering Society Press, ISBN 960-8052-08-4
[5] : Fuchs A., Friedrich T., Marquardt R., " Advanced multi-system locomotives using 6.5 kV power semiconductors ", EPE'99, Lausanne, CD

  [1] :  [DIV277]  T.A. MEYNARD, H. FOCH, Brevet Français N° 91.09582, 25 Juillet 91, (Europe, Japon, USA, Canada) n°92/00652 du 8 Juillet 92.

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