Vehicle-to-grid and flexibility for electricity systems : from technical solutions to design of business models - PhDData

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Vehicle-to-grid and flexibility for electricity systems : from technical solutions to design of business models

The thesis was published by Borne, Olivier, in March 2019, Université Paris-Saclay.

Abstract:

Transport industry being one the first CO2 emitters, there is an urgent need to decarbonize this sector, which could be achieved by the conjunction of the electrification of the vehicles and decarbonization of the electricity generation mix. In conjunction with increasing flexibility needs to support the introduction of Renewable Energy Sources, the development of Electric Vehicles could add new constraints for System Operators if charging process is not managed in a smart way.However, considering mobility requirements, there is a flexibility in the charging pattern of the vehicles, which could be used to offer flexibility services to System Operators, using smart-charging algorithms. Moreover, this flexibility could increase with the possibility to have reverse flow from the battery to the grid.Research focused mainly, during last years, on the design of algorithms to provide services with electric vehicles, taking into account mobility needs of users. In this thesis, we try to go beyond this design of algorithms, going through the different steps to elaborate a viable business model. We focus on the provision of one service – Frequency Containment Reserve – identified as the most valuable for Electric Vehicles equipped with bidirectional chargers.

Les ventes de VĂ©hicules Electriques ont Ă©tĂ© en constante augmentation ces dix dernières annĂ©es, stimulĂ©es par l’adoption de politique publique favorisant la dĂ©carbonation du secteur automobile. Dans un contexte d’accroissement des Ă©nergies renouvelables dans le mix Ă©nergĂ©tique, entraĂ®nant des besoins plus important en flexibilitĂ©, la diffusion massive des vĂ©hicules Ă©lectriques pourrait constituer une nouvelle source de contrainte pour les gestionnaire de rĂ©seaux d’Ă©lectricitĂ© si la recharge n’est pas gĂ©rĂ©e de manière intelligente.La gestion de la recharge des flottes de VĂ©hicules Electriques peut aussi constituer une opportunitĂ© pour apporter cette flexibilitĂ©, en particulier si les vĂ©hicules sont Ă©quipĂ©s de chargeurs bidirectionnels, capables de rĂ©injecter de l’électricitĂ© dans le système pour Ă©quilibrer les rĂ©seaux.La recherche s’est principalement intĂ©ressĂ©e Ă  la conception d’algorithmes permettant cette recharge « intelligente », qui prennent en compte les besoins en mobilitĂ© des utilisateurs, tout en fournissant diffĂ©rents services de flexibilitĂ©.Cette thèse s’attache Ă  aller au-delĂ  de l’aspect algorithmique, en balayant l’ensemble des aspects qui permettraient d’aboutir Ă  un modèle d’affaire viable, et en se focalisant sur la fourniture d’un type de service : la rĂ©serve primaire (Frequency Containment Reserve), qui constitue le service identifiĂ© comme ayant la plus forte valeur pour des flottes de VĂ©hicules Ă©quipĂ©s de chargeurs bidirectionnels.



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