Analysis of message sequences and encoding efficiency for electric vehicle to grid interconnections

2010 IEEE Vehicular Networking Conference Pub Date : 2010-12-01 DOI:10.1109/VNC.2010.5698261

J. Schmutzler, C. Wietfeld

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引用次数: 18

Abstract

Grid compatibility is a major issue for charging infrastructures of electric vehicles especially in low voltage systems. In order to respect dynamic grid limitations during the charging process, electric vehicles and charging infrastructures have to negotiate charge and grid parameters autonomosly. The ISO/IEC Joint Working Group 15118 is working on the Vehicle to Grid Communication Interface enabling user-friendly plug & charge functionality and also allowing for grid compatible charging processes. This paper describes current efforts being conducted in the standardization group, discusses the current state of the protocol in terms of message specifications, and maps various V2G use cases to the current protocol draft. The evaluation focuses on the message exchange patterns between the electric vehicle and the charge spot. Due to the adoption of highly embedded devices in electric vehicles an analysis on the application layer protocol efficiency is provided in this work. It focuses on data encoding efficiency with respect to the current state of the protocol specification. Detailed investigations on physical and data link layers are not part of this work.

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电动汽车与电网互联的信息序列及编码效率分析

电网兼容性是电动汽车特别是低压系统充电基础设施的主要问题。为了在充电过程中尊重电网的动态限制，电动汽车和充电基础设施必须自主协商充电和电网参数。ISO/IEC联合工作组15118正在研究车辆与电网通信接口，实现用户友好的插拔和充电功能，并允许电网兼容充电过程。本文描述了标准化组目前正在进行的工作，从消息规范的角度讨论了协议的当前状态，并将各种V2G用例映射到当前的协议草案。评价的重点是电动汽车与充电点之间的信息交换模式。由于电动汽车采用了高度嵌入式的设备，本文对应用层协议的效率进行了分析。它侧重于相对于协议规范的当前状态的数据编码效率。对物理层和数据链路层的详细调查不属于本工作的一部分。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2010 IEEE Vehicular Networking Conference

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