基于动态规划-遗传算法的混合储能系统实时协调调度和经济运行
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摘要
提出一种基于动态规划-遗传算法的混合储能系统实时调度和经济运行方法,协调充放电过程和功率分配。建立混合储能经济运行的双目标优化模型,对储能的容量、功率、放电深度和充放电时间进行约束,兼顾微电网系统的供电可靠性和混合储能系统的使用寿命。并将频谱分析、动态规划和遗传算法相结合,优化混合储能的功率分配,实现系统的经济运行。仿真算例表明,该文所提出的混合储能系统实时调度和经济运行方法是可行的,而且可取得良好的经济性。
In order to coordinate the charge/discharge process and the energy storage demand,this paper proposes a method of real-time dispatching and economic operation of hybrid energy storage sgstems(HESS)based on dynamic programming-genetic algorithm. The proposed bi-objective optimization model of HESS dispatching constrains the capacity,power,discharge depth and charge/discharge time,and satisfies the service life of HESS as well as service reliability of the power system. It also combines frequency spectrum analysis,dynamic programming and genetic algorithm to optimize the power allocation of HESS. The simulation case shows that the proposed method is feasible,and can obtain better economical efficiency.
In order to coordinate the charge/discharge process and the energy storage demand,this paper proposes a method of real-time dispatching and economic operation of hybrid energy storage sgstems(HESS)based on dynamic programming-genetic algorithm. The proposed bi-objective optimization model of HESS dispatching constrains the capacity,power,discharge depth and charge/discharge time,and satisfies the service life of HESS as well as service reliability of the power system. It also combines frequency spectrum analysis,dynamic programming and genetic algorithm to optimize the power allocation of HESS. The simulation case shows that the proposed method is feasible,and can obtain better economical efficiency.
引文
[1]丁明,王伟胜,王秀丽,等.大规模光伏发电对电力系统影响综述[J].中国电机工程学报,2014,34(1):2.[1]Ding Ming,Wang Weisheng,Wang Xiuli,et al.Review on the effect of large-scale PV generation on power systems[J].Proceedings of the CSEE,2014,34(1):2.
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[16]孙文健.光伏储能微电网经济运行优化策略研究[D].济南:山东大学,2015.[16]Sun Wenjian.Research on economic operation optimization of photovoltaic storage micro-grid[D].Ji’nan:Shandong University,2015.
[17]陈满,陆志刚,刘怡,等.电池储能系统恒功率削峰填谷优化策略研究[J].电网技术,2012,36(9):232-237.[17]Chen Man,Lu Zhigang,Liu Yi,et al.Research on optimal peak load shifting strategy of battery energy storage system operated in constant power mode[J].Power System Technology,2012,36(9):232-237.
[18]Bellman R E,Dreyfus S E.Applied dynamic programming[M].Princeton,NJ:Princeton University Press,1962.
[19]李顺新,杜辉.动态规划-粒子群算法在水库优化调度中的应用[J].计算机应用,2010,(6):1550-1551,1580.[19]Li Shunxin,Du Hui.Optimal operation of reservoir based on dynamic programming and particle swarm optimization[J].Journal of Computer Applications,2010,(6):1550-1551,1580.
[2]Hu R X,He X Y,Jing Z X,et al.Capacity configuration optimization for island microgrid with wind/solar/pumped storage considering demand response[C].Smart Grid Technologies-Asia[A],Bangkok,Thailand,IEEE,2015.
[3]Jia Hongjie,Mu Yunfei,Qi Yan.A statistical model to determine the capacity of battery-supercapacitor hybrid energy storage system in autonomous microgrid[J].International Journal of Electrical Power&Energy Systems,2014,54(1):516-524.
[4]Wang Guishi,Ciobotaru M,Agelidis V G.Optimal capacity design for hybrid energy storage system supporting dispatch of large-scale photovoltaic power plant[J].Journal of Energy Storage,2015,3:25-35.
[5]Zhao Pan,Wang Jiangfeng,Dai Yiping.Capacity allocation of a hybrid energy storage system for power system peak shaving at high wind power penetration level[J].Renewable Energy,2015,75:541-549.
[6]孙承晨,袁越,Choi San-Shing,等.基于经验模态分解和神经网络的微网混合储能容量优化配置[J].电力系统自动化,2015,39(8):19-26.[6]Sun Chengchen,Yuan Yue,Choi Shing-San,et al.Wind power smoothing method using hybrid energy storage system based on SOC hierarchical optimization[J].Power System Automation,2015,39(8):19-26.
[7]Jiang Quanyuan,Hong Haisheng.Wavelet-based capacity configuration and coordinated control of hybrid energy storage system for smoothing out wind power fluctuations[J].IEEE Transactions on Power Systems,2013,28(2):1363-1372.
[8]AllèGre A L,Bouscayrol A,Trigui R.Flexible real-time control of a hybrid energy storage system for electric vehicles[J].IET Electrical Systems in Transportation,2013,3(3):79-85.
[9]Tummuru N R,Mishra M K,Srinivas S.Dynamic energy management of hybrid energy storage system with high-gain PV converter[J].IEEE Transactions on Energy Conversion,2015,30(1):150-160.
[10]Tummuru N R,Mishra M K,Srinivas S.Dynamic energy management of renewable grid integrated hybrid energy storage system[J].IEEE Transactions on Industrial Electronics,2015,62(12):1-1.
[11]鲍冠南,陆超,袁志昌,等.基于动态规划的电池储能系统削峰填谷实时优化[J].电力系统自动化,2012,36(12):11-16.[11]Bao Guannan,Lu Chao,Yuan Zhichang,et al.Load shift real-time optimization strategy of battery energy storage system based on dynamic programming[J].Automation of Electric Power Systems,2012,36(12):11-16.
[12]Yan Gangui,Zheng Xudong,Mu Gang,et al.A quasiautomated generation control strategy for multiple energy storage systems to optimize low-carbon benefits[J].Journal of Modern Power Systems&Clean Energy,2015,3(1):93-102.
[13]马速良,马会萌,蒋小平,等.基于Bloch球面的量子遗传算法的混合储能系统容量配置[J].中国电机工程学报,2015,35(3):592-599.[13]Ma Suliang,Ma Huimeng,Jiang Xiaoping,et al.Based on the Bloch sphere of quantum genetic algorithm hybrid energy storage system capacity configuration[J].Proceedings of the CSEE,2015,35(3):592-599.
[14]韩晓娟,程成,籍天明,等.计及电池使用寿命的混合储能系统容量优化模型[J].中国电机工程学报,2013,33(34):83-89.[14]Han Xiaojuan,Cheng Cheng,Ji Tianming,et al.Capacity optimal modeling of hybrid energy storage systems considering battery life[J].Proceedings of the CSEE,2013,33(34):83-89.
[15]罗鹏,杨天蒙,娄素华,等.基于频谱分析的微网混合储能容量优化配置[J].电网技术,2016,40(2):376-381.[15]Luo Peng,Yang Tianmeng,Lou Suhua,et al.Spectrum analysis based capacity configuration of hybrid energy storage in microgrid[J].Power System Technology,2016,40(2):376-381.
[16]孙文健.光伏储能微电网经济运行优化策略研究[D].济南:山东大学,2015.[16]Sun Wenjian.Research on economic operation optimization of photovoltaic storage micro-grid[D].Ji’nan:Shandong University,2015.
[17]陈满,陆志刚,刘怡,等.电池储能系统恒功率削峰填谷优化策略研究[J].电网技术,2012,36(9):232-237.[17]Chen Man,Lu Zhigang,Liu Yi,et al.Research on optimal peak load shifting strategy of battery energy storage system operated in constant power mode[J].Power System Technology,2012,36(9):232-237.
[18]Bellman R E,Dreyfus S E.Applied dynamic programming[M].Princeton,NJ:Princeton University Press,1962.
[19]李顺新,杜辉.动态规划-粒子群算法在水库优化调度中的应用[J].计算机应用,2010,(6):1550-1551,1580.[19]Li Shunxin,Du Hui.Optimal operation of reservoir based on dynamic programming and particle swarm optimization[J].Journal of Computer Applications,2010,(6):1550-1551,1580.