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http://dx.doi.org/10.5370/KIEE.2014.63.11.1564

A Study on Communication Controller of Electric Vehicle Supply Equipment for Information Exchange between Electric Vehicle and Power Grid  

Han, Ah (Korea Testing Laboratory)
Shin, Minho (Dept. of Computer Engineering, Myongji University)
Kim, Intaek (Dept. of Information & Telecommunication Engineering, Myongji University)
Jang, Hyuk-Soo (Dept. of Computer Engineering, Myongji University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.11, 2014 , pp. 1564-1570 More about this Journal
Abstract
An electric vehicle (EV) not only receives electric power from the electric vehicle supply equipment (EVSE), but it also exchanges the information regarding charging process with the power gird through the EVSE. However, the EV and EVSE communicate using the ISO/IEC 15118 standard while the EVSE and power grid communicate using the IEC 61850 standard. Therefore, the EVSE should support both the ISO/IEC 15118 and IEC 61850 standards, and provide a data mapping function between the two communication protocols so that the EV and power grid, which support different protocols, can communicate with each other throughout the charging process. In this paper, we propose a mapping method of the EVSE, which converts the ISO/IEC 15118 data to IEC 61850 and vice versa, based on the XML schema of each protocol. The proposed method converts the data using the XSL (eXtensible Stylesheet Language) method, which defines the data mapping between two XML schemas. Our approach is more flexible and easier to maintain against changes in charging scenarios and the standards than other existing approaches such as one-to-one data mapping methods.
Keywords
Smart Grids; ISO/IEC 15118; IEC 61850; Electric Vehicle; Electric Vehicle Supply Equipment; Power Grid;
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