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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)
Vincenzi, F.R.S. ; Fed. Center of Technol. Educ. of Goias, UnED-Jataf Autom. Lab. - Autolab, Jatai ; Silva, L. ; de Freitas, L.C.G. ; Freitas, M.A.A.
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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