Intégration du renouvelable et stratégie de déploiement du réseau électrique : réconciliation d'échelles spatio-temporelles dans des exercices prospectifs de long terme

Abstract : Power systems are currently facing several issues in order to evolve and integrate less carbon-heavy, and potentially more local, production. Prospective model-based analysis is a precious tool for exploring the possible long-term developments of these systems and comparing their advantages and disadvantages. However, to ensure relevance, it is important to reconcile the spatial and temporal phenomena that occur at various scales. Power system management depends on constantly maintaining a complex supply- demand balance. Meeting this challenge requires anticipating demand variations and power plant availability, combined with regulation systems to resolve remaining discrepancies. These regulations are activated in from a few seconds up to several hours. On shorter timescales, power systems show inherent robustness: the power grid creates an electromagnetic coupling between synchronous machines allowing them to share their inertia. This inertia, which takes the form of kinetic energy, is instantaneously available to face natural demand or supply fluctuations. To ensure that proposed long-term scenarios are consistent with the robustness requirements of power systems, which enable their management, this robustness must be assessed using prospective modeling. In this work, we propose an indicator, calculable within prospective studies, which assesses power system stability, namely its ability to return to synchronism after a perturbation. This indicator is based on an aggregated description of the transportation power grid and describes the electromagnetic coupling brought by the power grid. When combined with a bottom-up model from the MARKAL/TIMES family describing the French power system, this synchronism indicator, along with another indicator quantifying the available kinetic reserve, enables us to assess the consequences of renewable penetration, especially in terms of power system robustness.
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Submitted on : Friday, July 27, 2018 - 4:25:06 PM
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  • HAL Id : tel-01557528, version 2

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Vincent Krakowski. Intégration du renouvelable et stratégie de déploiement du réseau électrique : réconciliation d'échelles spatio-temporelles dans des exercices prospectifs de long terme. Modélisation et simulation. PSL Research University, 2016. Français. ⟨NNT : 2016PSLEM025⟩. ⟨tel-01557528v2⟩

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