V2G charging station

A technology of charging stations and charging piles, applied in the field of V2G charging stations, can solve problems such as large uncertainties, increasing the cost of electric vehicles for users, and affecting the stability of the power grid, so as to reduce the impact on the power grid, maintain power supply stability, and reduce costs. Effect

Inactive Publication Date: 2015-07-01
KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The V2G grid-connected technology in the prior art uses electric vehicles to shave peaks and flat valleys, and does not sell or purchase electric vehicles as a whole to the grid. It is up to individual electric vehicle users to determine whether to charge or supply power to the grid. Uncertainty Larger, and when a single user connects to the grid to purchase or sell electricity, it also needs to be specially equipped with a rectifier and inverter device and a pricing device for charging or discharging, which increases

Method used

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Embodiment Construction

[0018] Such as figure 1As shown, a V2G charging station has a large-capacity energy storage device, which can store a large amount of power during the valley of electricity consumption. Centralized electricity sales, when electricity consumption peaks, can supply power to the grid, and can notify nearby electric vehicles to purchase electricity in a centralized manner. At the same time, it also has distributed power generation units to improve energy collection and utilization.

[0019] The grid side control center formulates a V2G power generation plan and publishes it to each V2G station according to the load forecast and V2G state parameters and real-time information from each V2G station; Each V2G station. The user inputs information such as SOC and available time on the man-machine interface on the charging and discharging machine. The V2G station executes the power generation plan and power adjustment command of the grid side control center, selects the charging and di...

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Abstract

Disclosed is a V2G charging station. Peak cutting and valley leveling of a power grid are realized through the V2G charging station; a large-capacity energy storing device is arranged in the charging station, so that peak-valley adjusting of the power grid is enabled not to completely depend on electromobile users; by a mode of searching nearby electromobiles, the electromobiles are enabled to sell or purchase power in a centralized manner, so that cost for grid connection of the electromobiles is lowered, impact on the power grid due to sudden grid connection of all electromobiles is reduced, and power supply stability of the power grid is maintained; buffering time for grid connection for power selling or purchasing of the electromobiles is provided by calculating remaining charging and discharging time through the energy storing device.

Description

technical field [0001] The present invention relates to the technical field of grid-connected power supply (V2G) for electric vehicles, in particular to a V2G charging station. Background technique [0002] Electric vehicles are the main development direction of new energy vehicles in the future. With the advancement of science and technology and the development of society, the related technologies of electric vehicles and the construction of charging facilities will continue to mature, and electric vehicles will be more and more widely used in people's lives. Electric vehicle charging station is a very important part of electric vehicle supporting facilities. Electric vehicles need to be charged for energy supply to meet their driving needs. Therefore, energy must be obtained from the grid, resulting in the generation of charging load. When the application scale of electric vehicles becomes larger and larger, and the construction of supporting charging facilities reaches a ...

Claims

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Application Information

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IPC IPC(8): H02J7/35H02J3/32
CPCY02E70/30
Inventor 马新攀
Owner KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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