This article investigates different energy replenishment modes of private pure electric vehicles, analyzes and compares the merits and drawbacks of various metering and billing models of different modes, and explains the implementation methods of each model. Firstly, it sketches the development of electric vehicle industry; then, it introduces three electric vehicle energy replenishment modes, and brings forward three models for private pure electric vehicle owners. It elaborates the three metering and billing models for private pure electric vehicles oriented operation, by emphatically analyzing the implementation principles of each model. At last, it declares that the model based on charging amount is optimal for the whole vehicle slow charging mode, while the model based on mileage or the model based on discharged amount suits for the battery exchanging mode and hybrid mode.
Through the analysis of electric vehicle cross-regional operation online transaction settlement system(OTSS) business requirement, determine the electric vehicle operations management system(EVOMS) based on using the Tuxedo middleware interface program developed to achieve. Design and development the Tuxedo server, client program, which can realize electric vehicle cross-regional operation online transaction settlement, solve the problem of cross -regional travel electric vehicle users.
Smart distribution grid is an open grid, in the process of its deployment must be fully consider its safety problems. Based on the technical system and features of smart distribution grid, the security of smart distribution grid is divided into three levels, smart distribution grid may be the emergence of new safety issues, from data acquisition and processing, information transmission and information applications, this paper expounded on the security technology of the future smart distribution grid.
Obtained requirements by analysis of the business functions of the electric vehicle operations management to form four types of applications, and then design the physical architecture and logical architecture of electric vehicle operations management system(EVOMS), adopted the three level management system, fully construct operation monitoring system of support electric vehicle smart charging and battery swapping service network.
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