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Interval arithmetic for short-circuit computation in MV radial networks with Distributed Generation

descriptionPublicationkeyboard_double_arrow_right Conference object , Article 01 Jul 2012 France Publisher:IEEEJournal:2012 IEEE Power and Energy Society General Meeting

Authors: Briceño Vicente , Wendy Carolina; Caire , Raphaël; Hadjsaid , Nouredine;

doi: 10.1109/pesgm.2012.6344605

Interval arithmetic for short-circuit computation in MV radial networks with Distributed Generation

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Abstract

The short-circuit computations are usually performed in power system studies to determine currents and voltages in the power grid under fault. The interconnection of Distributed Generation (DG) increases the short-circuit currents and may cause that electric equipments overcome their capacity limits. At the same time, the increment of renewable energy sources and other forms of DG, introduces more uncertainties to the network. This issue has motivated the development of methodologies to evaluate the effects of DG on distribution networks. The fuzzy sets theory is implemented to evaluate the impact of uncertainties (of both power generation and network parameters) on fault levels considering the IEC Standard 60909. The solution is compared to Monte-Carlo Simulation (MCS) which is the most usual simulation used to solve stochastic problems.

Country

France

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Keywords

Membership functions, Fuzzy sets theory, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Short-circuit currents, Fault currents, Monte-Carlo simulation, Power distribution, [SPI.NRJ] Engineering Sciences/Electric power, Distributed power generation, Probability distribution, [SPI]Engineering Sciences [physics], [ SPI.NRJ ] Engineering Sciences [physics]/Electric power, [ SPI ] Engineering Sciences [physics], Wind power generation, Distribution functions

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