Active power distribution network scheduling method combined with V2G technology

Abstract

The invention discloses an active power distribution network scheduling method combined with the V2G technology, and belongs to the technical field of power system economic scheduling. The schedulingmethod uses the V2G technology to control the charging and discharging of electric vehicles, considers the influence of electric vehicle access on the active power of an line exit to perform day-aheadscheduling on the distributed energy and stored energy on the basis of taking the electric vehicle as an energy storage system, performs real-time scheduling on operating distributed power generationunits according to the various types of distributed energy output costs, performs real-time scheduling of the stored energy with minimum energy storage output fluctuation cost, realizes the consumption of distributed energy, improves the utilization rate of renewable energy, controls the charging and discharging of electric vehicles through the V2G system, performs load shifting on the power gridon the premise of meeting the travel of electric vehicle users, reduces the peak-to-valley difference of the power distribution network, and improves the economy and stability of grid operation.

Description

technical field [0001] The invention discloses an active distribution network scheduling method combined with V2G technology, and belongs to the technical field of power system economic scheduling. Background technique [0002] With the increasingly serious situation of environmental pollution and energy shortage, electric vehicles that do not rely on fossil energy have begun to receive widespread attention from the society. Electric vehicles have the characteristics of high energy efficiency, low noise and zero exhaust emissions. Compared with traditional fuel vehicles, they are more environmentally friendly. Large-scale application of electric vehicles can effectively alleviate crises such as energy shortages and environmental pollution, and contribute to the realization of low-carbon economic goals. . [0003] At present, electric vehicles can be divided into three categories: buses, taxis and private cars. The battery capacity of electric buses and electric private car...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to address the shortcomings of the above-mentioned background technology and provide an active distribution network scheduling method combined with V2G technology, which regards electric vehicles as loads of the active distribution network, and combines V2G technology with day-ahead scheduling and implementation scheduling. While reducing the negative impact of large-scale electric vehicles connected to the grid, it realizes the effective utilization of distributed energy resources, and solves the problem that the energy storage components in the existing active distribution network dispatching technology are difficult to apply in large quantities due to high cost, which leads to the difficulty of distributed energy resources. Take full advantage of technical issues

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