Intégration des éoliennes dans les réseaux électriques insulaires

Abstract : Islands are favourable places to the development of wind energy. Firstly, the production costs of the conventional generation are higher than on the interconnected grids. Secondly, there is an important wind potential in these regions. Finally, the wind energy makes possible to reduce the energy dependence of fossil products, to respect the Kyoto protocol and to ensure the future electricity supply of these regions with sustained growth.Currently, wind energy is fast-growing in the islands grids. This growth worries the grid operators because this production is very different from the conventional sources. Moreover, these grids could reach very quickly a high levels wind penetration because their low size. However, the insular grids are weak grids compare to the inter-connected grids. In this kind of grids, the massive insertion of wind turbines is accompanied by particular characteristics which might damage operation of the electric system. The present study was carried out in order to analyze the impact on increase wind energy penetration in the insular grids and to propose solutions allowing the development of this energy sources in these areas. In this respect, several strategies of control were proposed. Firstly, two control strategies of the reactive power exchanged by the wind farms with the grids were compared, in order to minimize the voltage increasing in the distribution grids with strong wind penetration. Secondly, two control strategies were implemented in order to regulate the grid frequency through wind turbines. The control strategies were implemented on Matlab-Simulink then validated on EUROSTAG. Initially, they were evaluated in a simplified network in order to study more precisely and in a systematic way the influence of the choice and parameter settings of control in the dynamic behaviour of a weak grid. Then, they were extended to the distribution grid of Mont-Dore in New Caledonia and to the Guadeloupe electric grid
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Engineering Sciences. Ecole Centrale de Lille, 2009. French. <NNT : 2009ECLI0004>


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David Humberto Marin. Intégration des éoliennes dans les réseaux électriques insulaires. Engineering Sciences. Ecole Centrale de Lille, 2009. French. <NNT : 2009ECLI0004>. <tel-00577097>

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