基于柔性负荷的微电网优化调度方法研究  

Research on Optimal Dispatching Method of Microgrid Based on Flexible Load

作　　者：高鹏程 张春[1,2] 陈首旗 汪强林 童泽军 吴爽 GAO Pengcheng;ZHANG Chun;CHEN Shouqi;WANG Qianglin;TONG Zejun;WU Shuang(Key Laboratory of Advanced Perception and Intelligent Control of High-end Equipment,Ministry of Education,Wuhu 241000,China;School of Electrical Engineering,Anhui Polytechnic University,Wuhu 241000,China)

机构地区：[1]高端装备先进感知与智能控制教育部重点实验室,安徽芜湖241000 [2]安徽工程大学电气工程学院,安徽芜湖241000

出　　处：《四川轻化工大学学报（自然科学版）》2022年第5期51-59,共9页Journal of Sichuan University of Science & Engineering(Natural Science Edition)

基　　金：国家自然科学基金项目(61873294);国家大学生创新创业训练计划项目(201910363019)。

摘　　要：为了提高柔性负荷调度潜力,减少微电网和大电网间的功率交互,提出一种基于柔性负荷分类的微电网调度方法,通过对柔性负荷分类调度来提高柔性负荷利用率,从而增强微电网自身的调度能力,提高其独立性。首先对微电网中的负荷进行分类,建立以可削减、可转移负荷模型为基础的需求侧响应模型,然后在此基础上考虑电网的实时电价,以调度成本、交易电价和对主电网功率需求为目标建立多目标优化函数,最后通过限制条件的粒子群算法对目标函数进行求解,得到总成本和对主电网功率需求综合最小的目标。实验结果表明,加入柔性负荷分类的需求侧响应模型后,对柔性负荷利用率提高至30%左右,大电网与微电网间的功率交互量降低50%左右,该结果表明本方法对微电网优化调度有良好的效果。In order to improve the dispatching potential of flexible load and reduce the power interaction between microgrid and large grid,a microgrid dispatching method based on flexible load classification has been proposed to improve the utilization rate of flexible load by classifying and dispatching flexible load,so as to enhance the regulation ability and independence of microgrid.Firstly,the loads in microgrid are classified,and a demand side response model based on reducible and transferable load model is established.Secondly,on this basis,considering the real-time electricity price of the power grid,a multi-objective optimization function is established aiming at the dispatching cost,transaction electricity price and power demand of the main power grid.Finally,the objective function is solved by the condition particle swarm optimization algorithm,and the objective of minimizing the total cost and power demand of the main power grid is obtained.The experimental results show that after adding the demand side response model of flexible load classification,the utilization rate of flexible load is increased by about 30%,and the power interaction between large power grid and microgrid is reduced by about 50%,which indicates that this method has a good effect on the optimal dispatching of microgrid.

关 键 词：微电网 柔性负荷分类 条件粒子群算法 需求侧响应 多目标优化 调度 

分 类 号：TM73[电气工程—电力系统及自动化]