Active Autonomous Distribution Network Local Autonomous Regions And Line Supply Indicators And Optimization Methods

With the increasingly prominent problems such as environmental pollution and energy shortages,traditional power generation and distribution network models are no longer able to meet the needs of the times,and the access to a large number of new energy generation equipment has posed a major challenge to power grid operation,driving Power grids have evolved in an efficient,smart,flexible and sustainable manner,and therefore active distribution networks have emerged.The active distribution network has the ability to regulate and control all types of distributed energy sources.It can increase the access ratio of renewable energy in the distribution network,and can also reduce the investment in the distribution network construction,and can also serve various types of consumers.The supply of high quality and relatively stable electrical energy is the development direction of the distribution network in the future.The research on the supply and storage capacity of local autonomous regions in active distribution networks and the research on the supply capacity of active distribution lines can provide reasonable and reliable research values for their internal optimization.It can also match reasonable loads and improve the active distribution network.Operational reliability.This paper proposes the concept of the power supply and storage capacity of a local autonomous control area of an active distribution network consisting of a distributed power supply,energy storage devices and a network to quantify the power regulation range of the local autonomous area.Then,the model for obtaining the storage capacity in the local autonomous region is proposed,and the improved particle swarm algorithm is used to obtain the model.In addition,this paper also proposes a model for obtaining the power storage capacity of the active distribution network in order to quantify the maximum power exchanged between the active distribution network lines,and then gives a practical index calculation algothm to maximize the Improve the economic benefits of the active power grid,and propose an active distribution network optimization method based on power storage capacity.In the optimization method,the power supply reliability of the distribution network is fully considered.Finally,through case study,this paper proves that the indicators of the supply and storage of the active distribution network and the effectiveness of the optimization algorithm.