Automatic distribution method for power of charging cluster of electric vehicle

Abstract

The invention belongs to the technical field of electric vehicle charging, and provides an automatic distribution method for the power of a charging cluster of an electric vehicle. The charging cluster using the method comprises a cluster control system, an information transmission network, intelligent charging piles and an automatic power distribution system. The method mainly comprises the following steps of monitoring the charging power of the intelligent charging piles of the charging cluster; dynamically dividing an internal charging region of the cluster, and allocating the regional power in real time according to the principle of preferentially meeting the fast charging demand; when the charging power in the slow charging region is insufficient, setting the time when the intelligentcharging piles in the slow charging region start charging according to the charging demand of the electric vehicle, and furthermore, adjusting and optimizing the power distribution of the charging cluster. By means of the method, the power of the charging cluster is distributed in real time, and the problems are solved that when the power limit of the charging cluster is reduced in the peak period of the power consumption, the charging speed of the charging cluster is low, and the working efficiency is low.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle charging, and in particular relates to an automatic power distribution method for electric vehicle charging clusters. Background technique [0002] With the increasingly intensified contradictions between economic development, energy supply, and environmental pollution, energy conservation and consumption reduction and reduction of dependence on fossil fuels have become urgent problems to be solved for the sustainable economic development of countries all over the world. Electric vehicles have the advantages of fuel saving, environmental protection, and high efficiency. Scientists and industrial circles all over the world generally believe that electric vehicles are an important clean transportation tool in the 21st century. Electric vehicle charging stations and charging networks are important infrastructure for the large-scale and industrialized development of electric vehicles. [000...

AI Technical Summary

Problems solved by technology

[0004] There are two main reasons for this problem: First, although a single smart charging pile can adjust the charging voltage according to the charging demand of electric vehicles, the power scheduling rules of charging stations follow the principle of first-come-first-served. Electric vehicles are dispatched in sequence. When there are free charging piles, they will start working when a vehicle arrives. There is no flexible allocation of charging time and charging power according to the overall vehicle charging demand of the charging station.

Second, at present, the operation and management of charging stations mainly rely on manual dispatching. The experience and sense of responsibility of dispatchers will affect the dispatching effect. When there are a large number of vehicles, long-term fatigue work is prone to dispatch errors, resulting in waste of charging resources.

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