Harmonic model of electronically controlled loads
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AuthorFuentes Moreno, Juan Álvaro; Gabaldón Marín, Antonio; Cánovas Rodríguez, Francisco Javier; Molina García, Ángel
Knowledge AreaIngeniería Eléctrica
PublisherInstitute of Electrical and Electronics Engineers (IEEE).
Bibliographic CitationFUENTES, J.A., GABALDÓN, A., CÁNOVAS, F.J., MOLINA, A. Harmonic model of electronically controlled loads. En: Power Engineering Society Summer Meeting ( 2000: Seattle, Washington ). IEEE Power Engineering Society Summer Meeting, 2000. Seattle, Washington: Institute of Electrical and Electronics Engineers. 2000. vol.3 1805-1810 p. ISBN 0-7803-6420-1
KeywordsSistema harmónico de potencia
Modelado de carga
Power system harmonics
The use of electronically controlled loads is the way used to improve the efficiency as well as the power factor of normal elec- tric loads, obtaining thus energy efficient loads. This electronic con- trol changes the load’s global behavior resulting in a strongly non- linear one, at this regards, the available models used to represent loads are not accurate enough, especially in the context of an iterative frequency domain harmonic penetration program/algorithm. In this article, we propose an extension of the crossed-frequency admittance matrix, in order to get a better representation of these electronic loads. The extension is done by adding another dimension to the matrix, the harmonic phase. The model is obtained using a programmable power source connected to a PC, and by means of an acquisition board, we measure voltage and intensity. Due to the large number of tests needed we have developed a software tool that auto- mates the process giving as result the load model. Therefore, the ...
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