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Communication Dans Un Congrès Année : 2018

Real-time enforcement of local energy market transactions respecting distribution grid constraints

Eitan Altman
  • Fonction : Auteur
  • PersonId : 830042
Mathieu Caujolle
  • Fonction : Auteur
  • PersonId : 974841
EDF
Daniel Kofman
David Menga
  • Fonction : Auteur
EDF

Résumé

Future electricity distribution grids will host a considerable share of the renewable energy sources needed for enforcing the energy transition. Demand side management mechanisms play a key role in the integration of such renewable energy resources by exploiting the flexibility of elastic loads, generation or electricity storage technologies. In particular, local energy markets enable households to exchange energy with each other while increasing the amount of renewable energy that is consumed locally. Nevertheless, as most ex-ante mechanisms, local market schedules rely on hour-ahead forecasts whose accuracy may be low. In this paper we cope with forecast errors by proposing a game theory approach to model the interactions among prosumers and distribution system operators for the control of electricity flows in real-time. The presented game has an aggregative equilibrium which can be attained in a semi-distributed manner, driving prosumers towards a final exchange of energy with the grid that benefits both households and operators, favoring the enforcement of prosumers' local market commitments while respecting the constraints defined by the operator. The proposed mechanism requires only one-to-all broadcast of price signals, which do not depend either on the amount of players or their local objective function and constraints, making the approach highly scalable. Its impact on distribution grid quality of supply was evaluated through load flow analysis and realistic load profiles, demonstrating the capacity of the mechanism ensure that voltage deviation and thermal limit constraints are respected.
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Dates et versions

hal-02097073 , version 1 (11-04-2019)

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Citer

José Horta, Eitan Altman, Mathieu Caujolle, Daniel Kofman, David Menga. Real-time enforcement of local energy market transactions respecting distribution grid constraints. 2018 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm), Oct 2018, Aalborg, Denmark. ⟨hal-02097073⟩
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