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Programmable AC power source used to analyze electronic equipment performance in the electrical power system quality concept

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7 Author(s)
F. R. S. Vincenzi ; Federal Center of Technological Education of Goiás - CEFET-GO, Advanced Teaching Unit of Jataí - UnED-Jataí, Automation Laboratory - Autolab, GO - Brasil ; L. Silva ; L. C. Gomes de Freitas ; M. A. A. Freitas
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This paper presents the development of a programmable three phase ac power source. The power source described in this paper is capable of providing a stable ac voltage with variable amplitude and variable frequency over a wide range. Moreover, it can generate low harmonic distortion arbitrary waveforms. This is achieved by a novel topology of class D power amplifier used in the proposed voltage source power stage. A programmable ac voltage source is very well suited for testing electronic equipment, appliances, consumer products, motors or other equipment which has to be supplied by a single or polyphase mains. Experimental results are presented using different waveforms and show the good performance of proposed programmable voltage source.

Published in:

Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE

Date of Conference:

24-28 Feb. 2008