Design guidelines using selective harmonic elimination advanced method for DC-AC PWM with the Walsh transform

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Title:	Design guidelines using selective harmonic elimination advanced method for DC-AC PWM with the Walsh transform
Author:	Vicente Rodrigo, Jesús; Pindado Rico, Rafael; Martínez Teixidor, Inmaculada
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics
Abstract:	The use of the Walsh transform in DC-AC PWM waveform generation allows the calculation of the switching angles by means of linear equations which depend on the fundamental amplitude. However, when it is needed a wide regulation of the fundamental amplitude, conventional application of Walsh transform forces to switch among different equation sets, due to the range limitation of each one of them. In this paper it is described an advanced method to obtain the switching angles that permits full regulation of the fundamental amplitude, with only a switching interval vector, in single phase systems. The paper shows Matlab simulation results that proof the efficiency of the advanced method algorithm
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica -Walsh functions -Electric current converters -Walsh, Funcions de -Convertidors de corrent elèctric
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Document type:	Article - Published version Conference Object
Published by:	IEEE
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