计及?效率的综合能源系统多目标优化调度方法  

Multi-objective Optimal Dispatch Method for Integrated Energy System Considering Exergy Efficiency

作　　者：陈聪 沈欣炜 夏天[2,3] 郭庆来[2,3] 孙宏斌[2,3] 陈艳波[4] CHEN Cong;SHEN Xinwei;XIA Tian;GUO Qinglai;SUN Hongbin;CHEN Yanbo(Tsinghua-Berkeley Shenzhen Institute,Tsinghua University,Shenzhen 518055,China;Department of Electrical Engineering,Tsinghua University,Beijing 100084,China;State Key Laboratory of Control and Simulation of Power System andGeneration Equipments (Tsinghua University),Beijing 100084,China;State Key Laboratory of Alternate Electric Power System with RenewableEnergy Sources (North China Electric Power University),Beijing 102206,China)

机构地区：[1]清华大学清华-伯克利深圳学院,广东省深圳市518055 [2]清华大学电机工程与应用电子技术系,北京市100084 [3]电力系统及发电设备控制和仿真国家重点实验室(清华大学),北京市100084 [4]新能源电力系统国家重点实验室(华北电力大学),北京市102206

出　　处：《电力系统自动化》2019年第12期60-67,121,共9页Automation of Electric Power Systems

基　　金：国家重点研发计划资助项目(2018YFB0905000);国家自然科学基金资助项目(51537006);中国博士后科学基金资助项目(2018T110097)~~

摘　　要：综合考虑综合能源系统(IES)在能效、经济、环境等多目标上的优化调度需求,提出一种IES的多目标优化调度模型及求解方法,以实现多能互补IES的节能减排、经济运行与环境友好调度运行。首先建立了满足IES在能效、经济、环境等方面的优化调度需求的多目标函数模型,并在能效目标函数中引入[火用]效率,实现多能耦合系统的高效、高质量用能;其次建立了适用于多目标优化调度的IES数学模型,并通过模型凸松弛等方法保证模型的凸性,提高问题求解效率;再次建立了多目标优化调度问题帕累托前端的求解及运用方法,利用多目标凸优化问题的标量化方法进行模型转换,从而求解多目标凸优化问题,并提出筛选方法,用于从帕累托前端中筛选得到综合性能较好的调度方案;最后结合贵州省某IES算例仿真,验证了所建立多目标优化调度模型与求解方法在满足区域IES由于多能耦合而带来的多目标调度需求上的可行性。A multi-objective optimal dispatch method for an integrated energy system(IES),concerning energy efficiency,economy and environment,is proposed,and its corresponding solution method is proposed,which can bring up an energysaving,economic and environmental-friendly dispatch plan for the IES.Firstly,the model of multi-objective function for the IES,which takes exergy efficiency into consideration,is established to meet the demand of an economic,efficient and environmental-friendly IES.Secondly,a convex IES mathematical model for the multi-objective dispatch method is established with convex relaxation method to preserve the convexity.Thirdly,the solution method for the multi-objective optimization model is studied.The scalarization method is used to find the Pareto front(PF)of the convex model and a selection method is brought up to choose the multi-objective optimal dispatch plan from the PF.Numerical results based on a case from Guizhou Province in China validate the applicability of the proposed multi-objective dispatch method in efficiently bringing up a dispatch plan for the IES and making the IES operating with a better overall performance.

关 键 词：多目标优化调度 帕累托前端 [火用]效率 综合能源系统 凸优化 

分 类 号：TM73[电气工程—电力系统及自动化]