SAE規格 J2847-6, 2020: Communication for Wireless Power Transfer Between Light-Duty Plug-in Electric Vehicles and Wireless EV Charging Stations

SAE規格 J2847-6, 2020

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SAE規格 J2847-6, 2020

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SAE J2847-6, 2020: Communication for Wireless Power Transfer Between Light-Duty Plug-in
Electric Vehicles and Wireless EV Charging Stations
SAE規格 J2847-6, 2020: 小型プラグイン電気自動車とワイヤレスEV充電ステーション間のワイヤレス給電通信
発行元 SAE International
発行年/月 2020年9月   
装丁 ペーパー
ページ数 96 ページ
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Description

 

SAE J2847-6, 2020 Edition, September 2020 - (R) Communication for Wireless Power Transfer Between Light-Duty Plug-in Electric Vehicles and Wireless EV Charging Stations

SAE J2847/6 establishes minimum requirements for communication between an electric vehicle and an inductive battery charging system for wireless power transfer (WPT). Where relevant, this document notes - but does not formally specify - interactions between the vehicle and vehicle operator.

This document leverages the work of the SAE J2954 Alignment and Controls Sub-Team in the Wireless Power Transfer and Alignment Task Force by extending a JSON-based message set (protocol) originally developed to bench test wireless energy transfer interoperability between unmatched Ground Assembly (GA) and Vehicle Assembly (VA) systems (i.e., components manufactured by different companies). SAE J2847/6 furthers that work by adding messages sufficient to indicate that proper coil alignment has been achieved, initialize the sub-systems for wireless charging, ramp-up to full power, perform active wireless power transfer, and terminate the WPT session.

Guidance for an engineering implementation of the JSON protocol is provided as a reference for developing verification and validation of test plans by enabling the GA and VA to transmit a basic set of information using standard wireless IEEE 802.11n (Wi-Fi) communications hardware.

Purpose:
The primary purpose of SAE J2847/6 is to specify minimum communication requirements for control of wireless power transfer (WPT, or inductive charging) using a standard Wi-Fi interfact between a WPT charging station and an electric vehicle, irrespective of manufacturer or variations in the inductive charging technology employed.