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Use Cases for Wireless Charging Communication for Plug-in Electric Vehicles
- Ground Vehicle Standard
Published May 03, 2013 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This SAE Information Report SAE J2836/6™ establishes use cases for communication between plug-in electric vehicles and the EVSE, for wireless energy transfer as specified in SAE J2954. It addresses the requirements for communications between the on-board charging system and the Wireless EV Supply Equipment (WEVSE) in support of detection of the WEVSE, the charging process, and monitoring of the charging process.
Since the communication to the charging infrastructure and the power grid for smart charging will also be communicated by the WEVSE to the EV over the wireless interface, these requirements are also covered. However, the processes and procedures are expected to be identical to those specified for V2G communications specified in SAE J2836/1.
Where relevant, the specification notes interactions that may be required between the vehicle and vehicle operator, but does not formally specify them. Similarly communications between the on-board charging sub-system and the on-board vehicle electronics is not formally specified in this document.
This is the 1st version of this document and completes step 1 effort that captures the initial objectives of the SAE task force. The intent of step 1 was to record as much information on “what we think works” and publish. The effort continues however, to step 2 that allows public review for additional comments and viewpoints, while the task force also continues additional testing and early implementation. Results of step 2 effort will then be incorporated into updates of this document and lead to a republished version.
The use cases described here identify the equipment (system elements) and interactions to support wireless energy transfer for plug-in vehicles, as further described in SAE J2847/6. Key system elements include the vehicle’s rechargeable energy storage system (RESS), power conversion equipment (on-board and off-board), utility meter, optional advisory sub-meter (EUMD), load management system (LMS), and equipment for control, monitoring, and communication. System elements may be optionally packaged in various ways (either separately or in combination) to deliver implementations tailored to a given environment, such as a residential, public or commercial charging location. Implementations may also vary in relation to the vehicle itself. The charging control technology resides on the vehicle and premises.
Use cases are technology-neutral, leaving implementers free to choose technological solutions appropriate to specific scenarios. For example, depending upon the situation, communication may occur via local wireless (ZigBee, Wi-Fi, etc.), vehicle telematics, long-range wireless (GSM, CDMA, WiMax, etc.), Internet protocols, or a combination of these methods.
|Ground Vehicle Standard||Communication between Wireless Charged Vehicles and Wireless EV Chargers|
|Ground Vehicle Standard||Signaling Communication for Wirelessly Charged Electric Vehicles|
|Ground Vehicle Standard||Use Cases for Communication between Plug-in Vehicles and Off-Board DC Charger|
Data Sets - Support Documents
|Unnamed Dataset 1|
|Unnamed Dataset 2|
|TABLE A1||EVSE DISCOVERY USE CASE|
|TABLE A2||VEHICLE ALIGNMENT USE CASE|
|TABLE A3||POWER TRANSFER INITIATION SUB-USE CASE|
|TABLE A4||POWER TRANSFER SUB-USE CASE|
|TABLE A5||POWER TRANSFER TERMINATION SUB-USE CASE|
|TABLE A6||MONITORING AND DIAGNOSTIC USE-CASE|
|TABLE A7||MONITORED WEVC PARAMETERS|
|Unnamed Dataset 10||DOCUMENT HISTORY|
The Hybrid Technical Standards Committee reports to the Powertrain Systems Group of the Motor Vehicle Council. The Committee is responsible for developing and maintaining SAE Standards, Recommended Practices, and Information Reports related to the field of hybrid vehicle technology. The following topics are within the scope of this committee's work: ¿ safety aspects of hybrid systems in vehicles ¿ test procedures to establish the performance of hybrid systems and components ¿ nomenclature ¿ vehicle interface and serviceability requirements Participants in the SAE Hybrid Technical Standards Committee include OEMs, suppliers, consulting firms, government, and other interested parties.
|IEC61000||This document is not part of the subscrption.|
|IEC61980-1||This document is not part of the subscrption.|
|ISO/IEC151181-1||This document is not part of the subscrption.|
|J1772_201602||SAE Electric Vehicle and Plug in Hybrid Electric Vehicle Conductive Charge Coupler|
|J2735_201504||This document is not part of the subscrption.|
|J2836/1_201907||Use Cases for Communication Between Plug-in Vehicles and the Utility Grid|
|J2836/2||This document is not part of the subscrption.|
|J2847/1_201311||Communication for Smart Charging of Plug-in Electric Vehicles using Smart Energy Profile 2.0|
|J2931/1_201412||Digital Communications for Plug-in Electric Vehicles|
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