Abstract
Nowadays, under the dual pressure of fossil energy shortage and ecological environmental pollution, new energy vehicles have flourished in our country by virtue of their clean and low noise advantages. But correspondingly, the grid connection of electric vehicles will also bring many problems. Therefore, this article attempts to explore the operating mode of electric vehicles and its impact on the consumption of renewable energy, so as to provide reasonable planning of charging facilities and improve the top-level design of the grid.
Highlights
In recent years, with the increasing shortage of fossil energy and the pollution of ecological environment, people's awareness of environmental protection is gradually enhancing
The charging infrastructure of electric vehicles is connected to the power system on a large scale, which affects the distribution network transmission and distribution, power supply, power quality and load aggregation scheduling
The randomness of electric vehicle charging behavior will lead to the increase of power grid load, and make the grid load gather in a certain period of time for charging, which leads to a series of problems, such as the sharp increase of power demand, the mismatch of power supply and demand, the decline of power quality, and the shortage of power supply[1]
Summary
With the increasing shortage of fossil energy and the pollution of ecological environment, people's awareness of environmental protection is gradually enhancing. The charging infrastructure of electric vehicles is connected to the power system on a large scale, which affects the distribution network transmission and distribution, power supply, power quality and load aggregation scheduling. The wide access of electric vehicle charging and renewable energy has randomness, at the same time, electric vehicles are energy storage units located at the end of the grid, which, as distributed energy storage, can provide power systems with considerable flexibility resources, effectively increasing the grid's ability to eliminate renewable energy sources. Through the analysis of charging characteristics and actual data of electric bus, it guides the reasonable planning of charging facilities, solves the impact on the power grid when it is connected to the power grid, enhances the flexibility of the power grid, and improves the absorption capacity of renewable energy
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