Power supply capacity planning system and method for intelligent community including electric vehicle charging facilities

Abstract

The invention discloses a power supply capacity planning system and a method for an intelligent community including electric vehicle charging facilities. The power supply capacity planning system comprises a man-machine workstation, a data processing device and a capacity planning device, wherein the man-machine workstation is connected with the data processing device; and the data processing device is connected with the capacity planning service device. The system can build an intelligent community model according to the design of the intelligent community, and takes permeability of the electric vehicle at different development periods in capacity calculation; and the capacity design in different operation periods of the electric vehicle is convenient for comprehensive analysis and comparison, so that the community capacity is rationally designed. The community capacity is rationally designed, so as to avoid great investment caused by excessive capacity of the selected transformer, large no-load loss or transformer load loss increase caused by too low transformer capacity, and harm to safety and stability of a power grid. The intelligent community is used as a terminal of the intelligent power grid, and the capacity of the intelligent community is rationally designed to provide important support for the stable, safe and economic operation of the power system grid.

Description

technical field [0001] The invention belongs to the field of electric vehicles, and in particular relates to a power supply capacity planning system and method for an intelligent community including electric vehicle charging facilities. Background technique [0002] With the continuous enhancement of my country's economic strength, individual buildings or building groups of various shapes and functions are emerging, and their intelligent construction is also thriving. In October 2005, the "Key Points and Technical Guidelines for the Construction of Intelligent Systems in Residential Areas" was officially promulgated, indicating that the construction standards of domestic intelligent areas have been improved. With the increasing enrichment and improvement of related technologies and standards, the construction of intelligent communities has gradually become a hot spot in many areas. The so-called intelligent community refers to the establishment of a comprehensive property m...

AI Technical Summary

Problems solved by technology

[0008] Considering that the charging current of passenger electric vehicles is generally 10-20A, and the charging time can be up to 6 hours or even longer, this is a large load for the electricity consumption of smart communities. Hundreds of electric vehicles Simultaneous charging will definitely affect the safe and stable operation of the distribution system of the intelligent community

If the electric vehicle charging load is not considered in the planning of the power supply capacity of the smart community, the charging behavior of the electric vehicle during the peak power consumption period in the evening will cause the load rate of the line and transformer to increase or even overload, and increase the network loss of the community's power distribution system and deteriorate the power quality. , and even cause harm to the entire power system

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