计及静态安全因素与热电最优潮流的综合能源系统联合运行优化模型
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摘要
针对区域多能量枢纽(energy hub,EH)互联的热电耦合综合能源系统(integratedenergysystem,IES),提出一种综合考虑静态安全因素与热电最优潮流的IES联合优化运行模型。模型为双层结构,首先提出热电耦合网络最优潮流计算方法,并在此基础上建立整个系统的静态安全评估指标。上层模型以系统运行经济性与静态安全性为目标,优化各EH单元的冷热电输出;下层模型根据上层热电最优潮流计算结果,结合经济性目标,并兼顾光伏消纳能力,实现EH单元内部各机组的实时出力优化。最后结合算例仿真结果证明了所提模型的有效性。
An operation optimization model considering static security and optimal energy flow is proposed for district power-heating integrated energy systems(IES) with multiple energy hubs(EH). Firstly, a calculation method for optimal energy flow is proposed. Then a static security assessment index is established based on energy flow. Overall IES operating cost and static security are both taken into account in the upper-level of the model to optimize power-heating output of each EH. After obtaining multi-objective optimal power-heating flow distribution of IES, the lower-level of the model takes both economic index and photovoltaic accommodation capacity as target to optimize the output of each unit in EHs. Finally, a case study is given to verify effectiveness of the proposed model.
An operation optimization model considering static security and optimal energy flow is proposed for district power-heating integrated energy systems(IES) with multiple energy hubs(EH). Firstly, a calculation method for optimal energy flow is proposed. Then a static security assessment index is established based on energy flow. Overall IES operating cost and static security are both taken into account in the upper-level of the model to optimize power-heating output of each EH. After obtaining multi-objective optimal power-heating flow distribution of IES, the lower-level of the model takes both economic index and photovoltaic accommodation capacity as target to optimize the output of each unit in EHs. Finally, a case study is given to verify effectiveness of the proposed model.
引文
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[21]罗艳红,梁佳丽,杨东升,等.计及可靠性的电-气-热能量枢纽配置与运行优化[J].电力系统自动化,2018,42(4):47-54.Luo Yanhon,Liang Jiali,Yang Dongsheng,et al.Configuration and operation optimization of electricity-gas-heat energy hub considering reliability[J].Automation of Electric Power Systems,2018,42(4):47-54(in Chinese).
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[2]别朝红,王旭,胡源.能源互联网规划研究综述及展望[J].中国电机工程学报,2017,37(22):6445-6462,6757.Bie Zhaohong,Wang Xu,Hu Yuan.Review and prospect of planning of energy internet[J].Proceedings of the CSEE,2017,37(22):6445-6462,6757(in Chinese).
[3]孙宏斌,潘昭光,郭庆来.多能流能量管理研究:挑战与展望[J].电力系统自动化,2016,40(15):1-8,16.Sun Hongbin,Pan Zhaoguang,Guo Qinglai.Energy management for multi-energy flow:challenges and prospects[J].Automation of Electric Power Systems,2016,40(15):1-8,16(in Chinese).
[4]Liu X Z,Wu J Z,Nick J,et al.Combined analysis of electricity and heat networks[J].Applied Energy,2016(162):1238-1250.
[5]刘述欣,戴赛,胡林献,等.计及回水管网热损失的电热联合系统潮流模型及算法[J].电力系统自动化,2018,42(4):77-81,134.Liu Shuxin,Dai Sai,Hu Linxian,et al.Power flow model and algorithm of combined power and heat system considering heat loss in return pipe network[J].Automation of Electric Power Systems,2018,42(4):77-81,134(in Chinese).
[6]王英瑞,曾博,郭经,等.电-热-气综合能源系统多能流计算方法[J].电网技术,2016,40(10):2942-2951.Wang Yingrui,Zeng Bo,Guo Jing,et al.Multi-energy flow calculation method for integrated energy system containing electricity,heat and gas[J].Power System Technology,2016,40(10):2942-2951(in Chinese).
[7]徐宪东,贾宏杰,靳小龙,等.区域综合能源系统电/气/热混合潮流算法研究[J].中国电机工程学报,2015,35(14):3634-3642.Xu Xiandong,Jia Hongjie,Jin Xiaolong,et al.Study on hybrid heatgas-power flow algorithm for integrated community energy system[J].Proceedings of the CSEE,2015,35(14):3634-3642(in Chinese).
[8]Huo D,Blond S L,Gu C,et al.Optimal operation of interconnected energy hubs by using decomposed hybrid particle swarm and interior-point approach[J].International Journal of Electrical Power&Energy Systems,2018(95):36-46.
[9]Moeini-Aghtaie M,Abbaspour A,Fotuhi-Firuzabad M,et al.Adecomposed solution to multiple-energy carriers optimal power flow[J].IEEE Transactions on Power Systems,2014,29(2):707-716.
[10]Guo Li,Liu Wenjian,Cai Jiejin,et al.A two-stage optimal planning and design method for combined cooling,heat and power microgrid system[J].Energy Conversion and Management,2013(74):433-445.
[11]Sharif A,Almansoori A,Fowler M,et al.Design of an energy hub based on natural gas and renewable energy sources[J].International Journal of Energy Research,2014,38(3):363-373.
[12]马腾飞,吴俊勇,郝亮亮,等.基于能源集线器的微能源网能量流建模及优化运行分析[J].电网技术,2018,42(1):179-186.Ma Tengfei,Wu Junyong,Hao Liangliang,et al.Energy flow modeling and optimal operation analysis of micro energy grid based on energy hub[J].Power System Technology,2018,42(1):179-186(in Chinese).
[13]郝然,艾芊,朱宇超,等.基于能源集线器的区域综合能源系统分层优化调度[J].电力自动化设备,2017,37(6):171-178.Hao Ran,Ai Qian,Zhu Yuchao,et al.Hierarchical optimal dispatch based on energy hub for regional integrated energy system[J].Electric Power Automation Equipment,2017,37(6):171-178(in Chinese).
[14]顾伟,陆帅,王珺,等.多区域综合能源系统热网建模及系统运行优化[J].中国电机工程学报,2017,37(5):1305-1316.Gu Wei,Lu Shuai,Wang Jun,et al.Modeling of the heating network for multi-district integrated energy system and its operation optimization[J].Proceedings of the CSEE,2017,37(5):1305-1316(in Chinese).
[15]王珺,顾伟,陆帅,等.结合热网模型的多区域综合能源系统协同规划[J].电力系统自动化,2016,40(15):17-24.Wang Jun,Gu Wei,Lu Shuai,et al.Coordinated planning of multi-district integrated energy system combining heating network model[J].Automation of Electric Power Systems,2016,40(15):17-24(in Chinese).
[16]Rastegar M,Zareipour H.A probabilistic energy management scheme for renewable-based residential energy hubs[J].IEEE Transactions on Smart Grid,2017,8(5):2217-2227.
[17]Xu X,Jia H J,Chiang H,et al.Dynamic modeling and interaction of hybrid natural gas and electricity supply system in microgrid[J].IEEE Transactions on Power Systems,2014,30(3):1212-1221.
[18]Pan Z G,Guo Q L,Sun H B.Interactions of district electricity and heating systems considering time-scale characteristics based on quasisteady multi-energy flow[J].Applied Energy,2016(167):230-243.
[19]丁一,江艺宝,宋永华,等.能源互联网风险评估研究综述(一):物理层面[J].中国电机工程学报,2016,36(14):3806-3817.Ding Yi,Jiang Yibao,Song Yonghua,et al.Review of risk assessment for energy internet,part I:physical level[J].Proceedings of the CSEE,2016,36(14):3806-3817(in Chinese).
[20]潘昭光,孙宏斌,郭庆来.面向能源互联网的多能流静态安全分析方法[J].电网技术,2016,40(6):1627-1634.Pan Zhaoguang,Sun Hongbin,,Guo Qinglai.Energy internet oriented static security analysis method for multi-energy flow[J].Power System Technology,2016,40(6):1627-1634(in Chinese).
[21]罗艳红,梁佳丽,杨东升,等.计及可靠性的电-气-热能量枢纽配置与运行优化[J].电力系统自动化,2018,42(4):47-54.Luo Yanhon,Liang Jiali,Yang Dongsheng,et al.Configuration and operation optimization of electricity-gas-heat energy hub considering reliability[J].Automation of Electric Power Systems,2018,42(4):47-54(in Chinese).
[22]Zhang X,Shadidehpour M,Alabdulwahab A,et al.Optimal expansion planning of energy hub with multiple energy infrastructures[J].IEEETransactions on Smart Grid,2015,6(5):2302-2311.
[23]He Guixiong,Yan Huaguang,Liu Kaicheng,et al.An optimization method of multiple energy flows for CCHP based on fuzzy theory and PSO[C]//IEEE Conference on Energy Internet and Energy System Integration(EI2).Beijing,China:IEEE,2017,1-6.