An electric vehicle charging scheduling method in a parking lot

Abstract

The invention discloses an electric vehicle charging scheduling method in a parking lot. The method comprises the following steps: acquiring electric power and user demand information of all vehiclescurrently accessed to a power grid of a parking lot, calculating the length of a sliding window at a current scheduling moment, and distributing the actual electric power of a user by taking minimization of a difference value between the actual electric power in the sliding window and a quota as an objective function. According to the invention, the charging power of a user can be flexibly regulated and controlled by dynamically and hierarchically regulating the charging power; through model through variable sliding window, multi-time-slot scheduling is considered, and meanwhile, real-time changing systems can be adjusted in time; and the difference between the actual power consumption in the sliding window and the quota is minimized as an objective function, so that the actual power consumption of the parking lot meets the quota requirement while serving the user under the constraint of the user requirement and the battery capacity, the sudden power consumption peak is avoided, and apositive role is played on the operation of the power grid.

Description

technical field [0001] The invention belongs to the technical field of smart grids, and in particular relates to a charging scheduling method for electric vehicles in a parking lot. Background technique [0002] With the rapid development of the current era, the contradiction between the improvement of people's daily life and the scarcity of renewable environmental resources has become increasingly prominent, and the massive emission of greenhouse gases has caused increasingly serious environmental pollution. At the same time, electric vehicles (EV) have gradually attracted people's attention as a substitute for fuel vehicles on the market. Electric vehicles use electricity as a resource, which can effectively reduce the dependence of vehicles on fuel and carbon dioxide (CO2) in the current environment. 2 ) emissions. However, as a large number of electric vehicles enter the grid, the overall load curve of the power system will have a very large change. If the connection ...

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Problems solved by technology

But it only focuses on the current time slot, without considering the situation of the next time slot, there may be sudden peaks or troughs of the power curve

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