浙江电力

2020, v.39;No.295(11) 51-60

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考虑用户需求差异的源-车-储微电网优化调度方法
Optimal Dispatch Method for Source-Vehicle-Storage Microgrid Considering Users′ Demand Differences

陈风,林镜涛
CHEN Feng,LIN Jingtao

摘要(Abstract):

随着电动汽车的渗透率不断提高,电动汽车群对电网的影响愈发显著。为充分挖掘电动汽车的削峰填谷能力,提高微电网运行的经济性,提出一种考虑用户需求差异的源-车-储微电网优化调度方法。分析不同电动汽车用户的需求特性,分别建立不同类型电动汽车群的响应边界模型;从技术性和经济性方面考虑微电网的运行约束,构建源-车-储微电网优化调度模型;通过分段线性化将非线性优化模型转化为混合整数线性规划问题,利用YALMIP/GUROBI求解优化模型。以某微电网为实例进行仿真验证,结果表明该模型可充分发挥电动汽车群的可控特性,有效提高微电网调度的经济性和技术性。
As the penetration rate of electric vehicles continues to increase, the impact of electric vehicles on the power grid becomes more significant. To fully exploit the peak-shaving and valley-filling capabilities of electric vehicles and improve the economy of microgrid operation, this paper proposes an optimal dispatch method for source-vehicle-storage microgrid considering users′ demand differences. Furthermore, it analyzes the demand characteristics of different electric vehicle users and establishes different types of electric vehicle response boundary models. The paper also considers the operational constraints of the microgrid from the technical and economic aspects and builds an optimal dispatch model of the source-vehicle-storage microgrid.The nonlinear optimization model is transformed into a mixed integer linear programming problem by linearization, and the optimization model is solved using YALMIP/GUROBI. An example of a microgrid is used for simulation verification. The results show that the model can exert controllable characteristics of electric vehicles to improve the economy and technical performance of the microgrid.

关键词(KeyWords): 用户需求;源-车-储微电网;电动汽车群响应边界模型;混合整数线性规划;优化调度
users′ demand;source-vehicle-storage microgrid;EVs response boundary model;mixed integer linear programming;optimal dispatch

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 陈风,林镜涛
CHEN Feng,LIN Jingtao

DOI: 10.19585/j.zjdl.202011009

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