A matching v2v energy exchange method based on spatio-temporal dual scale
An energy exchange, dual-scale technology, applied in vehicle energy storage, different battery charging, transportation and packaging, etc., can solve the problem of increasing the total income of discharged vehicles, which has not yet appeared, to achieve a large service coverage, reduce the burden on the grid, Effect of Guaranteed Earnings
Active Publication Date: 2021-10-08
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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Problems solved by technology
Due to the flexible characteristics of power transmission, V2V energy exchange may become a potential operation mode to balance supply and demand. However, the current research on V2V is still in its infancy, and there is no effective way to use V2V that can increase the total income of discharging vehicles. energy exchange strategy
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[0048] The invention relates to a matching V2V energy exchange method based on space-time double scales. The method is based on a V2V energy exchange system established by a VANET communication method. The structure of the system is as follows: figure 1 As shown, its main units are: electric vehicle, energy exchange station, roadside unit and data processing center. Electric vehicles can be divided into vehicles with charging requirements and vehicles that can be discharged. Electric vehicle users need to upload information such as their charging and discharging requirements, battery status and location in real time; the energy exchange station is an aggregator unit that exchanges energy for electric vehicles. Via VANET communications, the roadside unit receives information about charging and discharging vehicles within its communications coverage area, and transmits it to the data processing center using a wired connection. On the other hand, the energy exchange station also ...
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The invention relates to a matching V2V energy exchange method based on time-space dual-scale. The method is based on the V2V energy exchange system, according to the ideal charging and discharging time intervals of the battery, it is discretized, and the time layer and space The matching function is defined in the layer. The optimal matching of the time layer is based on the equal number of ideal charging / discharging time intervals of the charging and discharging vehicles, and the total driving distance of the charging and discharging vehicles is used as the matching index of the spatial layer. Finally, on this basis, the Matched V2V real-time energy exchange methods to select vehicles that are beneficial to both parties. Compared with the prior art, the invention has the advantages of being able to guarantee the income of the discharging vehicle, and at the same time reducing the total traveling distance of the vehicle.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a matching V2V energy exchange method based on space-time dual scales. Background technique [0002] Compared with traditional vehicles, electric vehicles are popular because of their zero emissions, high energy efficiency, and low noise. It is estimated that by 2020, there will be 5 million electric vehicles in the country. In order to avoid the adverse effects of power system overload and power quality reduction caused by the charging behavior of large-scale electric vehicles, scholars at home and abroad have carried out research on the coordinated charging and discharging of electric vehicles. to vehicle, G2V) and vehicle to grid (vehicle to grid, V2G). With the application of bidirectional chargers, the discharge energy of electric vehicles can be supplied to other electric vehicles through the energy aggregator, that is, to achieve V2V energy exchange. The locat...
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IPC IPC(8): B60L53/00B60L53/10H02J7/00
CPCH02J7/0003H02J7/342Y02T10/70Y02T10/7072Y02T90/14
Inventor 于艾清蒋怡静
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER