微电网群功率优化控制
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摘要
随着间歇性电源(分布式风电、光伏)在中、低压配电网中渗透率的提高,多个微电网可能共存于一个区域配电网中,各微电网间能量互济与协调控制的微电网群技术开始引起广泛的关注。以微电网研究为基础,分析了微电网群的典型特征及拓扑结构。以微电网群功率波动为研究对象,建立了微电网群功率波动熵值的动态调度模型,采用量子粒子群优化算法进行求解实现优化控制。仿真结果验证了所提微电网群功率优化控制方法的正确性和有效性。
Due to the increased penetration of intermittent power generations(distributed wind power and photovoltaic power) in medium and low voltage distribution network,multiple microgrids may coexist in a regional distribution system,and therefore the microgrid cluster technologies of energy mutual-aid and coordination control have attracted wide attention. Based on the research of microgrid,typical characteristics and topology structure of microgrid cluster are analyzed. With power fluctuations of microgrid cluster as research objects,the dynamic dispatch model of power fluctuation entropy of microgrid cluster is established,which is solved by QPSO(Quantum Particle Swarm Optimization) algorithm to realize the optimization control. Simulative results verify the correctness and effectiveness of the proposed power optimization control method of microgrid cluster.
Due to the increased penetration of intermittent power generations(distributed wind power and photovoltaic power) in medium and low voltage distribution network,multiple microgrids may coexist in a regional distribution system,and therefore the microgrid cluster technologies of energy mutual-aid and coordination control have attracted wide attention. Based on the research of microgrid,typical characteristics and topology structure of microgrid cluster are analyzed. With power fluctuations of microgrid cluster as research objects,the dynamic dispatch model of power fluctuation entropy of microgrid cluster is established,which is solved by QPSO(Quantum Particle Swarm Optimization) algorithm to realize the optimization control. Simulative results verify the correctness and effectiveness of the proposed power optimization control method of microgrid cluster.
引文
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[18]候云鹤,鲁丽娟,熊信艮,等.改进粒子群算法及其在电力系统经济负荷分配中的应用[J].中国电机工程学报,2004,24(7):95-100.HOU Yunhe,LU Lijuan,XIONG Xingen,et al.Enhanced partucles swarm optimization algorithm and its application on economic dispatch of power system[J].Proceedings of the CSEE,2004,24(7):95-100.
[19]ZHAO H,QIUWEI W U,WANG C,et al.Fuzzy logic based coordinated control of battery energy storage system and dispatchable distributed generation for microgrid[J].Journal of Modern Power Systems&Clean Energy,2015,3(3):422-428.
[2]HATZIARGY N,ASAND H,IRAVANI,et al.Microgrids[J].IEEE Power and Energy Magazine,2007,5(4):78-94.
[3]YUNWEI L I,NEJABATKHAH F.Overview of control,integration and energy management of microgrids[J].Journal of Modern Power Systems&Clean Energy,2014,2(3):212-222.
[4]张晓雪,牛焕娜,赵静翔,等.考虑微电网供电潜力的配电网孤岛划分[J].电力自动化设备,2016,36(11):51-58.ZHANG Xiaoxue,LIU Huanna,ZHAO Jingxiang,et al.Distribution network island partition considering potential power-supply of microgrid[J].Electric Power Automation Equipment,2016,36(11):51-58.
[5]王成山,王守相.分布式发电功能系统若干问题研究[J].电力系统自动化,2008,32(20):1-4.WANG Chengshan,WANG Shouxiang.Study on some key problems related to distribution generation systems[J].Automation of Electric Power Systems,2008,32(20):1-4.
[6]徐意婷,艾芊.含微电网的主动配电网协调优化调度方法[J].电力自动化设备,2016,36(11):18-26.XU Yiting,AI Qian.Coordinated optimal dispatch of active distribution network with microgrids[J].Electric Power Automation Equipment,2016,36(11):18-26.
[7]KARGARIAN A,FALAHATI B,YONG F,et al.Multiobjective optimal power flow algorithm to enhance multi-microgrids performance incorporating IPFC[C]∥Power and Energy Society General Meeting.San Diego,CA,USA:IEEE,2012:22-26.
[8]MANJARRES P,MALIK O.Frequency regulation by fuzzy and binary control in a hybrid islanded microgrid[J].Journal of Modern Power Systems&Clean Energy,2015,3(3):429-439.
[9]MAKNOUNINEJAD A,QU Z,ENSLIN J,et al.Clustering and cooperative control of distributed generators for maintaining microgrid unified voltage profile and complex power control[C]∥Transmission and Distribution Conference and Exposition.Orlando,FL,USA:IEEE,2012:1-8.
[10]SUJIL A,AGARWAL S K,KUMAR R.Centralized multi-agent implementation for securing critical loads in PV based microgrid[J].Journal of Modern Power Systems&Clean Energy,2014,2(1):77-86.
[11]MADUREIRA A G,PECAS LOPES J A.Coordinated voltage support in distribution networks with distributed generation and microgrids[J].IET Renewable Power Generation,2009,3(4):439-454.
[12]SCHWAEGERL C,LIANG T,MANCARELLA P,et al.A multiobjective optimization approach for assessment of technical,commercial and environmental performance of microgrids[J].International Transactions on Electrical Energy Systems,2011,21(2):1269-1288.
[13]熊雄.微网群混合协调控制策略及有功功率优化研究[D].北京:中国农业大学,2017.XIONG Xiong.Research of hybrid coordinate control and active power optimal strategy for microgrid cluster[D].Beijing:China Agriculture University,2017.
[14]曹一家,王光增,曹丽华,等.基于潮流熵的复杂电网自组织临界态判断模型[J].电力系统自动化,2011,35(7):1-6.CAO Yijia,WANG Guangzeng,CAO Lihua,et al.An identification model self-organized criticality of power grids based on power flow entropy[J].Automation of Electric Power Systems,2011,35(7):1-6.
[15]张利彪,周春光,马铭,等.基于粒子群算法求解的多目标优化问题[J].计算机研究与发展,2004,41(7):1286-1291.ZHANG Libiao,ZHOU Chunguang,MA Ming,et al.Solutions of multi-object optimization problems based on particle swarm optimization[J].Journal of Computer Research and Development,2004,41(7):1286-1291.
[16]支娜,肖曦,田培根,等.微电网群控制技术研究现状与展望[J].电力自动化设备,2016,36(4):107-115.ZHI Na,XIAO Xi,TIAN Peigen,et al.Research and proposed of multi-microgrid control strategies[J].Electric Power Automation Equipment,2016,36(4):107-115.
[17]裴玮,杜妍,李洪涛,等.应对微电网群大规模接入的互联和互动新方案及关键技术[J].高电压技术,2015,41(10):3193-3203.PEI Wei,DU Yan,LI Hongtao,et al.Novel solution key technology of interconnection and interaction for large scale microgrid cluster integration[J].High Voltage Engineering,2015,41(10):3193-3203.
[18]候云鹤,鲁丽娟,熊信艮,等.改进粒子群算法及其在电力系统经济负荷分配中的应用[J].中国电机工程学报,2004,24(7):95-100.HOU Yunhe,LU Lijuan,XIONG Xingen,et al.Enhanced partucles swarm optimization algorithm and its application on economic dispatch of power system[J].Proceedings of the CSEE,2004,24(7):95-100.
[19]ZHAO H,QIUWEI W U,WANG C,et al.Fuzzy logic based coordinated control of battery energy storage system and dispatchable distributed generation for microgrid[J].Journal of Modern Power Systems&Clean Energy,2015,3(3):422-428.