This SAE Recommended Practice SAE J2847/1 establishes requirements and specifications for communication between plug-in electric vehicles and the electric power grid, for energy transfer and other applications. Where relevant, this document notes, but does formally specify, interactions between the vehicle and vehicle operator. SAE J2847/1 supports AC or DC energy transfer. SAE J2847/2 supports the additional messages for DC energy transfer and replaces SAE J2293. SAE J2847/3 supports RPF and this series is based upon requirements jointly developed by vehicle manufacturers, electric utilities, grid operators, technology suppliers, and other stakeholders. These requirements are reflected in SAE Information Report SAE J2836/1™, Use Cases for Communication between Plug-in Vehicles and the Utility Grid. Whereas SAE J2293 focused on communication between the vehicle and local, off-board electric vehicle supply equipment (EVSE) with optional grid interaction, SAE J2847/1, /2, and /3 focuses on communication between the vehicle and grid. Additionally, while SAE J2293 included support for SAE J1773-based inductive charging and SAE J1850-based communication, these are obsolete and hence not supported by SAE J2847. In order to maintain information for existing systems, this task force has reaffirmed SAE J2293, preserving that specification at its last revision level. This specification addresses major changes that have occurred since 1997 (when SAE J2293 was published) in the technologies of electric vehicles, the grid, and information processing, including: (1) support for bi-directional energy transfer between vehicle and grid (FPF and RPF, as defined above); (2) support for new local communications media between vehicle and EVSE (to replace SAE J1850), such as power line communication (PLC) and wireless transports (Zigbee, WiFi, etc.); (3) synchronizing with a major revision of SAE J1772TM which includes new connectors and signals between the vehicle and EVSE, and additional AC and DC power levels; (4) support for new vehicle architectures such as plug-in hybrid (PHEV) and plug-in fuel cell (PFCV) vehicles; (5) support for new rechargeable energy storage system (RESS) technologies and packaging methods; (6) support for vehicle telematic communication transports; and (7) support for new developments in both utility and customer premises equipment, such as advanced metering infrastructure (AMI) and home-area network (HAN) technologies. The above changes and others require a new approach to vehicle-grid communications and provide the fundamental rationale for this specification.


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    Title :

    Communication between Plug-in Vehicles and the Utility Grid


    Publication date :

    2010-06-16



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English



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