A method for operating an ensemble of electric assets powered by a set S of rechargeable electric storage units is disclosed, said assets being configured to perform a primary purpose, unrelated to storage or provision of electric energy, in particular a transportation task, according to a pre-determined schedule, the method including the steps of a) selecting, at a time to, based on the schedule, a first subset S 1 of the rechargeable electric storage units for providing ancillary grid services to a grid operator during an interval of time [ t 1 , t 2 ] in a future of to; b) determining, based on properties of the subset S 1 , related to the ancillary services; c) communicating said specifications to a grid operator; d) during the interval of time [ t 1 , t 2 ], providing ancillary grid services in accordance with the specifications, wherein at least a second subset S 2 of rechargeable electric storage units, said second subset being a subset of the first subset S 1 , preferably being identical to the first subset, is used to store or supply electric energy, wherein e) a state of health, in particular a remaining expected lifetime, for each electric storage unit of a third subset S 3 of electric storage units, preferably all rechargeable electric storage units, is taken into account in the selection in step a).


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    Title :

    METHOD AND SYSTEM FOR PROVIDING ANCILLARY GRID SERVICES


    Additional title:

    VERFAHREN UND SYSTEM ZUR BEREITSTELLUNG VON NETZNEBENLEISTUNGEN
    PROCÉDÉ ET SYSTÈME DE FOURNITURE DE SERVICES AUXILIAIRES DE RÉSEAU ÉLECTRIQUE


    Contributors:

    Publication date :

    2018-10-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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