Ubicación óptima de bancos de capacitores para minimización de pérdidas estocástica (Stochastic optimal allocation of reactive power banks for system loss minimization)

Sebastian Soto (ssotoq@gmail.com)1, Victor Hinojosa (victor.hinojosa@usm.cl)1

1Universidad Técnica Federico Santa María

This paper appears in: Revista IEEE América Latina

Publication Date: April 2016
Volume: 14,   Issue: 4 
ISSN: 1548-0992

In this paper, the problem of power losses minimization is carried out with the aim of attaining minimum power losses in an electrical power system. The current industry practice is to locally install reactive power compensation systems. Using capacitor banks, it can help to maintain bus voltages and power factors as well as reduce the power cable losses, and it can help to meet any future load increase. Currently, due to huge uncertainties affecting some relevant input variables, their accurate evolution forecasting is almost an unfeasible task, with the result that expansion plans frequently are subject to continuous reviews and modifications. In addition, probabilistic analysis, specifically with the application of the Monte Carlo method, is exploited for assessing the attributes of different capacitor banks. Finally, exhaustive numerical results on a real sub-transmission system demonstrate that the proposed formulation and approach are effective. Comparisons of different control techniques are shown, and conclusions are derived.

Index Terms:
Minimization, Power Losses, Capacitor placement, Digsilent Programming Language, Monte Carlo, Uncertainty, Clustering   

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