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Multistage and decentralized operations of Chapter | 16 415

FIGURE 16.2 Smart electric vehicle (EV) charging control system architecture.

and the charging station; and (5) an API hosted by the vendor of EV charg-
ing station for managing the charging station’s power settings. Among those
components, the database, the web service, and the optimizer are hosted on a
stand-alone server. A third-party vendor develops a function to bridge the
EV optimization server and the vendor API of the charging station for
the data exchange. The main capabilities of the EV optimization server and
the EV data exchange server are listed as follows:
EV optimization server:
Web service: to (1) handle smart charging requests; (2) interact with
users; (3) data collection; (4) issue control commands
Database: storage for all session data, meter data, smart charging
requests
Smart control optimizer: charging schedule optimization