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).
METHOD AND SYSTEM FOR PROVIDING ANCILLARY GRID SERVICES
VERFAHREN UND SYSTEM ZUR BEREITSTELLUNG VON NETZNEBENLEISTUNGEN
PROCÉDÉ ET SYSTÈME DE FOURNITURE DE SERVICES AUXILIAIRES DE RÉSEAU ÉLECTRIQUE
2018-10-10
Patent
Electronic Resource
English