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Optimisation de systèmes de production intermittents non conventionnels couplés au réseau électrique

Abstract : Wind energy playing an increasingly important role in the electrical network and it will no longer be considered as a marginal. Therefore, the impact on the electrical grid of its inherent intermittency becomes non-negligible. The use of storage means is one of key points in the integration problem. In this work, the optimization of the wind/storage system is addressed by considering the dynamics of the wind power, the storage capacity and the grid constraints. The main objective is to meet the grids requirements in limiting the fluctuations, providing possible ancillary services and highlighting the economic profitability of system. The proposed method relies on a two levels control approach: anticipation and reactive management. The first one consists in using forecast information (weather, grid constraints, electrical market conditions …) to define in advance the optimal operation schedule for the storage system. In the second one, on real time operation, the system has to deal with possible disturbances and take the right adjustment control with the actual capacity. The problem is complex with numerous discrete control variables and continuous ones. A mixed-integer linear programming (MILP) is used to efficiently solve the problem. The proposed optimal operation strategy will be validated with on an offline simulation (simulink/Matlab) and a real time simulator.
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Submitted on : Tuesday, May 31, 2011 - 4:23:27 PM
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Phuc Diem Nguyen Ngoc. Optimisation de systèmes de production intermittents non conventionnels couplés au réseau électrique. Autre. Université de Grenoble, 2011. Français. ⟨NNT : 2011GRENT015⟩. ⟨tel-00595849v2⟩

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