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A Study on the Decision of Appropriate Subsidy Levels Regarding Electric Vehicles for V2G as Load Management Resources
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 Title & Authors
A Study on the Decision of Appropriate Subsidy Levels Regarding Electric Vehicles for V2G as Load Management Resources
Kim, Jung-Hoon; Hwang, Sung-Wook;
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 Abstract
Recently, various energy efficiency optimization activities are ongoing globally by integrating conventional grids with ICT (Information and Communication Technology). In this sense, various smart grid projects, which power suppliers and consumers exchange useful informations bilaterally in real time, have been being carried out. The electric vehicle diffusion program is one of the projects and it has been spotlighted because it could resolve green gas problem, fuel economy and tightening environmental regulations. In this paper, the economics of V2G system which consists of electric vehicles and the charging infrastructure is evaluated comparing electric vehicles for V2G with common electric vehicles. Additional benefits of V2G are analyzed in the viewpoint of load leveling, frequency regulation and operation reserve. To find this benefit, electricity sales is modeled mathematically considering depth of discharge, maximum capacity reduction, etc. Benefit and cost analysis methods with the modeling are proposed to decide whether the introduction of V2G systems. Additionally, the methods will contribute to derive the future production and the unit cost of electric vehicle and battery and to get the technical and economic analysis.
 Keywords
V2G (Vehicle to grid);Battery;Load leveling;Benefit cost analysis;Subsidy level;Economic analysis;California standard practice test;Avoided cost;Power system analysis;
 Language
Korean
 Cited by
 References
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