Research on the Planning Model of Microgrid Energy Unit in Intelligent District Containing Electric Vehicle

Abstract

Coordinated planning operation of electric vehicle and microgrid is a key issue to promote the development of electric vehicle and microgrid. The flexible charging and discharging characteristics of electric vehicle will make it impact the planning and operation of microgrid when electric vehicle integrates to microgrid. In order to study the influence of electric vehicle on the planning of microgrid energy unit, the coordinated planning model of electric vehicle and intelligent district is established. And then, the energy unit’s planning result of intelligent district based on the optimal economic and environmental costs is obtained. Example analysis shows that the electric vehicle is regarded as a mobile storage device with high economic efficiency in the process of planning microgrid energy unit. With the increase of the environmental cost’s weight, the stationary energy storage device will have a greater advantage when compared to the electric vehicle. At the same time, the comparison results show that the algorithm used in this paper has a better performance than other similar algorithms when solving such planning problems.