孤立运行模式下海岛综合能源系统的能量控制策略
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摘要
我国海域面积辽阔,海岛数量众多,它们远离大陆,但周围都有着丰富的自然资源。如果可再生能源得到充分利用,就可以保证岛上的可持续能源供应。提出了以海岛综合能源系统作为海岛供电的方案。该系统由风力发电机、光伏发电机、柴油发电机、海水淡化负荷、常规负荷、电转气装置和燃料电池组成,充分利用海岛周围的自然资源,解决海岛自身的供电需求和淡水需求;研究电转气技术和燃料电池在系统中的应用,实现电力系统-天然气系统的互联;给出了一种海岛综合能源系统能量控制策略,实现系统内功率分配,为海岛提供电力和淡水供应。仿真结果验证了该策略的有效性,为海岛综合能源系统的运行和控制提供了一个可靠的解决方案。
China has a vast sea area and a large number of islands,which are far from the mainland,but surrounded by abundant natural resources. If the renewable energy is fully utilized,the sustainable energy supply on the islands can be guaranteed. To this end, the island comprehensive energy system is proposed in this paper as an island power supply scheme,which consists of wind power generators,photovoltaic generators,diesel generators,desalination load,conventional load,power to gas device and fuel cells. The system makes full use of the natural resources around the islands and meets the power supply demand and fresh water demand of the islands themselves. The paper studies the application of power-to-gas technology and fuel cells to realize the interconnection of the power system and natural gas system,and puts forward an energy control strategy for the island comprehensive energy system to realize the power distribution within the system to supply the power and fresh water for the islands. Simulation results have verified the effectiveness of the strategy and provide a reliable solution for the operation and control of island integrated energy system.
China has a vast sea area and a large number of islands,which are far from the mainland,but surrounded by abundant natural resources. If the renewable energy is fully utilized,the sustainable energy supply on the islands can be guaranteed. To this end, the island comprehensive energy system is proposed in this paper as an island power supply scheme,which consists of wind power generators,photovoltaic generators,diesel generators,desalination load,conventional load,power to gas device and fuel cells. The system makes full use of the natural resources around the islands and meets the power supply demand and fresh water demand of the islands themselves. The paper studies the application of power-to-gas technology and fuel cells to realize the interconnection of the power system and natural gas system,and puts forward an energy control strategy for the island comprehensive energy system to realize the power distribution within the system to supply the power and fresh water for the islands. Simulation results have verified the effectiveness of the strategy and provide a reliable solution for the operation and control of island integrated energy system.
引文
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[21]李东东,徐连连,刘翔,等.考虑可削减负荷参与的含风光储微网经济优化调度[J].电力系统保护与控制,2017,45(2):35-41.LI Dongdong,XU Lianlian,LIU Xiang,et al.Optimal dispatching of microgrid considering the participation of reducible loads,distributed generators(DG)and energy storage units[J].Power System Protection and Control,2017,45(2):35-41.
[22]张东霞,邱才明,王晓蓉,等.全球能源互联网中的大数据应用研究[J].电力信息与通信技术,2016,14(3):20-24.ZHANG Dongxia,QIU Caiming,WANG Xiaorong,et al.Research on big data application in global energy interconnection[J].Electric Power Information and Communication Technology,2016,14(3):20-24.
[23]胡菊,靳双龙,宋宗朋,等.基于云计算的全球可再生能源资源精细化评估方法[J].电力信息与通信技术,2016,14(3):25-29.HU Ju,JIN Shuanglong,SONG Zongpeng,et al.A refine assessment method of global renewable energy resources based on cloud computing[J].Electric Power Information and Communication Technology,2016,14(3):25-29.
[2]PAN Z,GUO Q,SUN H.Interactions of district electricity and heating systems considering time-scale characteristics basedonquasi-steadymulti-energyflow[J].AppliedEnergy,2016(167):230-243.
[3]LI J,FANG J,ZENG Q,et al.Optimal operation of the integrated electrical and heating systems to accommodate the intermittent renewable sources[J].Applied Energy,2016(167):244-254.
[4]BAI L,LI F,CUI H,et al.Interval optimization based operating strategy for gas-electricity integrated energy systemsconsideringdemandresponseandwinduncertainty[J].Applied Energy,2016,167(6):270-279.
[5]HU Y,BIE Z,DING T,et al.An NSGA-II based multiobjective optimization for combined gas and electricity network expansion planning[J].Applied Energy,2016,167(6):280-293.
[6]WEI Z,CHEN S,SUN G,et al.Probabilistic available transfer capability calculation considering static security constraints and uncertainties of electricity-gas integrated energy systems[J].Applied Energy,2016,167(5):305-316.
[7]SKARVELIS-KAZAKOS S,PAPADOPOULOS P,UNDAI G,et al.Multiple energy carrier optimisation with intelligent agents[J].Applied Energy,2016,167(5):323-335.
[8]LIU X,MANCARELLA P.Modelling,assessment and Sankey diagrams of integrated electricity-heat-gas networks in multi-vector district energy systems[J].Applied Energy,2016,167(6):336-352.
[9]YANG H,XIONG T,QIU J,et al.Optimal operation of DES/CCHP based regional multi-energy prosumer with demand response[J].Applied Energy,2016,167(4):353-365.
[10]LI F F,QIU J.Multi-objective optimization for integrated hydro-photovoltaic power system[J].Applied Energy,2016,167(4):377-384.
[11]ZHU Y,TOMSOVIC K.Development of models for analyzing the load-following performance of microturbines and fuel cells[J].Electric Power Systems Research,2002,62(1):1-11.
[12]LI Y H,CHOI S S,RAJAKARUNA S.An analysis of the control and operation of a solid oxide fuel-cell power plant in an isolated system[J].IEEE Transactions on Energy Conversion,2005,20(2):381-387.
[13]JURADO F,VALVERDE M,CANO A.Effect of a SOFCplant on distribution system stability[J].Journal of Power Sources,2004,129(2):170-179.
[14]董朝阳,赵俊华,文福拴,等.从智能电网到能源互联网:基本概念与研究框架[J].电力系统自动化,2014,38(15):1-11.DONG Zhaoyang,ZHAO Junhua,WEN Fushuan,et al.From smart grid to energy internet:basic concept and research framework[J].Automation of Electric Power Systems,2014,38(15):1-11.
[15]LOMBARDI P A,SOKOLNIKOVA T,Suslov K,et al.Power to gas as an alternative energy storage solution to integrate a large amount of renewable energy:economic and technical analysis[C]//Distribution Systems and Dispersed Generation-Cigre SC C6 Colloquium Yokohama,2013.
[16]胡荣兴,荆朝霞,肖江.考虑负荷响应的海岛微电网优化配置[J].广东电力,2016,29(12):32-38.HU Rongxing,JING Zhaoxia,XIAO Jiang.Optimized configuration for island micro-grid considering demand response[J].Guangdong Electric Power,2016,29(12):32-38.
[17]蔡帜,罗治强,杨军峰,等.考虑大规模可再生能源接入的输电设备检修计划[J].电力系统保护与控制,2017,45(21):96-101.CAI Zhi,LUO Zhiqiang,YANG Junfeng,et al.Transmission maintenance scheduling with large-scale renewable energy integration[J].Power System Protection and Control,2017,45(21):96-101.
[18]王栋,方志辉.海岛风电并网运行特性对电网适应性的分析[J].浙江电力,2016,35(5):42-46.WANG Dong,FANG Zhihui.Analysis on operation characteristic adaptability of integrated island wind power to power grid[J].Zhejiang Electric Power,2016,35(5):42-46.
[19]邬明亮,戴朝华,邓惠文,等.基于单体光伏/单体储能电池模组的新型光伏储能发电系统[J].电力系统保护与控制,2017,45(3):56-61.WU Mingliang,DAI Chaohua,DENG Huiwen,et al.Anovel PV energy storage generating system based on single PV cell/single energy storage cell module[J].Power System Protection and Control,2017,45(3):56-61.
[20]朱光磊,樊利民,刘红业.应用于能源局域网的固态变压器运行研究[J].广东电力,2018,31(2):24-31.ZHU Guanglei,FAN Limin,LIU Hongye.Research on operation of solid state transformer in energy local network[J].Guangdong Electric Power,2018,31(2):24-31.
[21]李东东,徐连连,刘翔,等.考虑可削减负荷参与的含风光储微网经济优化调度[J].电力系统保护与控制,2017,45(2):35-41.LI Dongdong,XU Lianlian,LIU Xiang,et al.Optimal dispatching of microgrid considering the participation of reducible loads,distributed generators(DG)and energy storage units[J].Power System Protection and Control,2017,45(2):35-41.
[22]张东霞,邱才明,王晓蓉,等.全球能源互联网中的大数据应用研究[J].电力信息与通信技术,2016,14(3):20-24.ZHANG Dongxia,QIU Caiming,WANG Xiaorong,et al.Research on big data application in global energy interconnection[J].Electric Power Information and Communication Technology,2016,14(3):20-24.
[23]胡菊,靳双龙,宋宗朋,等.基于云计算的全球可再生能源资源精细化评估方法[J].电力信息与通信技术,2016,14(3):25-29.HU Ju,JIN Shuanglong,SONG Zongpeng,et al.A refine assessment method of global renewable energy resources based on cloud computing[J].Electric Power Information and Communication Technology,2016,14(3):25-29.