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Séminaire “Un(e) chercheur(-euse) du GERAD vous parle!”

Spatio-temporal flexibility requirement envelopes for low-carbon power system energy management


18 sept. 2019   15h30 — 16h30

François Bouffard Professeur agrégé, Département de génie électrique et informatique, Université McGill, Canada

The deepening penetration of renewable power generation is challenging how the minute balancing of supply and demand is carried out by power system operators. Several proposals to short-term operational planning rely on robust optimization to offer guarantees on the ability of the operator to meet a wide array of possible scenarios. The main downside of these approaches is their conservative results whose operating costs and/or carbon tally may be sub-economical. Such results come by because these approaches put emphasis often on very low-probability portions of the uncertainty set they consider. Moreover, these rapproaches also often ignore the inherent time and spatial couplings of wind and solar generation variability. In this paper, we seek to reduce the conservativeness of these uncertainty sets by proposing the concept of spatio-temporal flexibility requirement envelopes. We show how it is able to efficiently capture and model the temporal trends and spatial correlation of multisite renewable generation and load. A mathematical program for energy scheduling is also developed using the projections of this envelope. We showcase the use and advantages of spatio-temporal flexibility requirement envelopes and their associated scheduling approach in a microgrid and in a transmission network setting.

Du café et des biscuits seront offerts au début du séminaire.
Bienvenue à tous!

Olivier Bahn responsable


Salle 4488
Pavillon André-Aisenstadt
Campus de l'Université de Montréal
2920, chemin de la Tour
Montréal QC H3T 1J4