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Sûreté de fonctionnement des réseaux de distribution en présence de production décentralisée

Abstract : Nowdays, power systems have reached a good level of reliability. Nevertheless, considering the modifications induced by the connections of small independent producers to distribution networks, there's a need to assess the reliability of these new systems. Distribution networks present several functional characteristics, highlighted by the qualitative study of the failures, as dispersed loads at several places, variable topology and some electrotechnical phenomena which must be taken into account to model the events that can occur. The adopted reliability calculations method is Monte Carlo simulations, the probabilistic method most powerful and most flexible to model complexe operatings of the distribution system. We devoted a first part on the case of a 20 kV feeder to which a cogeneration unit is connected. The method was applied to a software of stochastic Petri nets simulations. Then a second part related to the study of a low voltage power system supplied by dispersed generations. Here, the complexity of the events required to code the method in an environment of programming allowing the use of power system calculations (load flow, short-circuit, load shedding, management of units powers) in order to analyse the system state for each new event.
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https://tel.archives-ouvertes.fr/tel-00393077
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Submitted on : Tuesday, June 9, 2009 - 2:36:36 PM
Last modification on : Thursday, November 19, 2020 - 1:00:27 PM
Long-term archiving on: : Thursday, June 10, 2010 - 8:52:05 PM

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  • HAL Id : tel-00393077, version 1

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Malik Megdiche. Sûreté de fonctionnement des réseaux de distribution en présence de production décentralisée. Sciences de l'ingénieur [physics]. Institut National Polytechnique de Grenoble - INPG, 2004. Français. ⟨tel-00393077⟩

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