Power Oscillation index - A tool for investigation into unbalance phenomena in the distribution Networks
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Data
2010-10-01
Autores
Ciric, Rade M.
Milanez, Dalgerti L. [UNESP]
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Resumo
Unbalance and harmonics are two major distortions in the three-phase distribution systems. In this paper an investigation into unbalance phenomena in the distribution networks using instantaneous space vector theory, is presented. Power oscillation index (POI) and effective power factor (PFe) are calculated in the network nodes for several unbalance loading conditions. For system analysis a general power flow algorithm for three-phase four-wire radial distribution networks, based on backward-forward technique, is applied. Results obtained from several case studies using medium and low voltage test feeder with unbalanced load, are presented and discussed. © 2010 Praise Worthy Prize S.r.l. - All rights reserved.
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Distribution networks, Instantaneous space vector theory, Load unbalance, Losses, Power oscillation
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International Review on Modelling and Simulations, v. 3, n. 5, p. 846-851, 2010.