Modulación Óptima de Venturini para un Convertidor Matricial Trifásico de Cuatro Hilos (Optimal Venturini Modulation for a Three-phase Four-Wire Matrix Converter)

Jaime José Rodríguez (jjrodriguezr@ipn.mx)1, Roberto Morales Caporal (rmcaporal@ieee.org)2, Edgar Peralta (edgar.peralta@upaep.mx)3, Oscar Carranza (ocarranzac@ipn.mx)1, Rubén Ortega (rortegag@ipn.mx)1


1Instituto Politécnico Nacional
2Instituto Tecnológico de Apizaco
3Universidad Popular Autónoma del Estado de Puebla

This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2016
Volume: 14,   Issue: 2 
ISSN: 1548-0992


Abstract:
This paper presents the direct and easy way to implement digitally an optimal Venturini modulation scheme for a 7.5 KVA, four-wires, matrix converter with balanced and unbalanced loads. In order to meet tight harmonic specification a single-stage LC input filter with a resistor connected in parallel with the inductor has been designed and at the output another single-stage LC filter is used. This enables stable output power and frequency over a wide range and at different load conditions. Experimental results obtained by using a DSP-FPGA system verify the effectiveness of the Venturini modulation scheme.

Index Terms:
Matrix converter, four-step current commutation, Venturini modulation   


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