Research On Joint Location Planning Of Plug-in Charging And Dynamic Wireless Charging Facilities

In recent years,problems such as air pollution and energy shortages have become increasingly severe.Electric vehicles have been widely promoted and applied due to their environmental protection and energy saving advantages.However,the development of electric vehicles is still subject to some obstacles,such as insufficient charging facilities and uneven distribution of charging facilities.In order to better promote the development of electric vehicles,the problems of insufficient charging facilities and mileage anxiety for electric vehicles should be solved first.At present,vigorously developing charging technology and widely deploying charging facilities have become the main measures to promote the development of electric vehicles.Therefore,this paper proposes two different charging facility location planning models in response to the above problems.For one is to consider the charging selection behavior of electric vehicles,and propose a two-level location planning model for plug-in charging and dynamic wireless charging facilities.For the other,a two-stage robust location planning model for plug-in charging and dynamic wireless charging facilities is proposed in order to improve the resilience of the power distribution system coupled with urban transportation system.The specific content is as follows:Firstly,the research background and significance of the subject are described,and the current research status of the power distribution system coupled with urban transportation system at domestic and foreign is analyzed.Then the development and planning of electric vehicle charging facilities are described.Finally,the principles of site selection for charging facilities and related theoretical knowledge such as commonly used site selection models,traffic system flow distribution models,and distribution system optimal power flow models are introduced in detail to provide a basis for the subsequent research of the paper.Secondly,considering that in real life,the socio-economic status of each traveler is different,so the time value of the traveler is also different.When there are both plug-in charging stations and dynamic wireless charging facilities in the transportation network,the charging chosen behaviors are also different.Therefore,this paper proposes a two-level location planning model for charging facilities that considers the charging options of travelers.The upper model is the location planning of charging facilities,and the lower model is a multi-class user equilibrium model which based on the location of charging facilities obtained from the upper model.Then the CPLEX solver is used to solve the model,and finally a case study is used to verify the effectiveness of the proposed model.Finally,considering improving the resilience of the power distribution system coupled with urban transportation system under extreme events,the site selection planning of plug-in charging and dynamic wireless charging facilities is studied.Due to the uncertainty of the occurrence of extreme events,this paper establishes a two-stage robust location planning model in the form of "min-max-min" to minimize the sum of power load shedding costs and transportation costs.The first stage of the model is to plan the location of charging facilities and other equipment before the extreme event occurs,and the second stage is operating costs such as power load shedding costs and transportation costs in the worst scenarios where extreme events occur.Then the column and constraint algorithm is used to solve the model,and finally the accuracy of the model and algorithm is verified through the analysis of case studies.