分布式综合能源系统可靠性评估
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摘要
基于能源集线器模型建立分布式综合能源系统可靠性评估模型,刻画不同供能子系统之间的复杂互连对可靠性的影响。针对负荷的动态行为,建立电热水负荷模型分析其对供能可靠性指标的影响。通过马尔可夫链蒙特卡洛法对配电网下的分布式综合能源系统进行可靠性评估,计算其可靠性指标。算例分析结果表明:供热可靠性指标修正方法可有效计及热负荷动态行为对供热可靠性指标的影响;DIES可靠性评估方法可有效衡量DIES可靠性水平,且DIES内各形式能源的耦合程度与系统可靠性直接相关。
The establishment of Distributed Integrated Energy System(DIES) reliability evaluation model is based on Energy Hub model. The model describes the effect of the complex interconnection between difference power supply subsystems on system reliability.The electric water heating load model is established to analyze the effect of load dynamic behavior on the reliability indices of energy supply. A Markov Chain Monte Carlo(MCMC) method is used to evaluate the reliability of distributed integrated energy systems under distribution system, and the reliability indices have been calculated. The results of numerical tests show that the method proposed in this paper can effectively take into account the effect of the dynamic behavior of thermal load on thermal supply reliability indices, and effectively measure the reliability level of DIES. And the degree of coupling between the energy supply subsystems in DIES is directly related to the system reliability.
The establishment of Distributed Integrated Energy System(DIES) reliability evaluation model is based on Energy Hub model. The model describes the effect of the complex interconnection between difference power supply subsystems on system reliability.The electric water heating load model is established to analyze the effect of load dynamic behavior on the reliability indices of energy supply. A Markov Chain Monte Carlo(MCMC) method is used to evaluate the reliability of distributed integrated energy systems under distribution system, and the reliability indices have been calculated. The results of numerical tests show that the method proposed in this paper can effectively take into account the effect of the dynamic behavior of thermal load on thermal supply reliability indices, and effectively measure the reliability level of DIES. And the degree of coupling between the energy supply subsystems in DIES is directly related to the system reliability.
引文
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[4]贾宏杰,王丹,徐宪东,等.区域综合能源系统若干问题研究[J].电力系统自动化,2015,39(7):198-207.JIA Hongjie,WANG Dan,XU Xiandong,et al.Research on Some Key Problems Related to Integrated Energy Systems[J].Automation of Electric Power System,2015,39(7):198-207.
[5]MARTINEZ-MARES A,FUERTE-ESQUIVEL C R.A Robust Optimization Approach for the Interdependency Analysis of Integrated Energy Systems Considering Wind Power Uncertainty[J].IEEE.Transactions on Power Systems,2013,28(4):3964-3976.
[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.MultiEnergy Flow Calculation Method for Integrated Energy System Containing Electricity,Heat and Gas[J].Power System Technology,2016,40(10):2942-2951.
[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,LE Xiaolong,et al.Study on Hybrid Heat-Gas-Power Flow Algorithm for Integrated Community Energy System[J].Proceedings of the CSEE,2015,35(14):3634-3642.
[8]KOEPPEL G.Reliability Considerations of Future Energy Systems:Multi-carrier Systems and the Effect of Energy storage[D].Zurich:Swiss Federal Institute of Technology Zurich,2007.
[9]LI G,BIE Z,KOU Y,et al.Reliability Evaluation of Integrated Energy Systems Based on Smart Agent Communication[J].Applied Energy,2016,(167):397-406.
[10]SHARIATKHAH M H,HAGHIFAM M R,PARSAMOGHADDAM M,et al.Modeling the Reliability of Multi-carrier Energy Systems Considering Dynamic Behavior of Thermal Loads[J].Energy&Buildings,2015,(103):375-383.
[11]SHARIATKHAH M H,HAGHIFAM M R,PARSAMOGHADDAM M,et al.Evaluating the Reliability of Multi-energy Source Buildings:A New Analytical Method for Considering the Dynamic Behavior of Thermal Loads[J].Energy and Buildings,2016,(126):477-484.
[12]石文辉,别朝红,王锡凡.大型电力系统可靠性评估中的马尔可夫链蒙特卡洛方法[J].中国电机工程学报,2008,28(4):9-15.SHI Wenhui,BIE Zhaohong,WANG Xifan.Applications of Markov Chain Monte Carlo in Large-scale System Reliability Evaluation[J].Proceedings of the CSEE,2008,28(4):9-15.
[13]DU P,LU N.Appliance Commitment for Household Load Scheduling[J].IEEE Transactions on Smart Grid,2011,2(2):411-419.
[14]HU Q,LI F.Hardware Design of Smart Home Energy Management System With Dynamic Price Response[J].IEEE Transactions on Smart Grid,2013,4(4):1878-1887.
[15]LAURENT J C,MALHAME R P.A Physically-based Computer Model of Aggregate Electric Water HeatingLoads[J].IEEE Transactions on Power Systems,1994,9(3):1209-1217.
[16]BIE Z,ZHANG P,LI G,et al.Reliability Evaluation of Active Distribution Systems Including Microgrids[J].IEEE Transactions on Power Systems,2012,27(4):2342-2350.
[17]ROY Billinton,ALLAN R.Reliability Evaluation of Power Systems[M].New York:Plenum Press,1984.
[18]ALLAN R N,BILLINTON R,SJARIEF I,et al.A Reliability Test System for Educational Purposes-basic Distribution System Data and Results[J].IEEE Transactions on Power Systems,2002,6(2):813-820.
[19]唐珂,谢源,曾明杰.含分布式能源的配电网极端可接人容量估算研究[J].电网与清洁能源,2016,32(9):57-61.TANG Ke,XIE Yuan,ZENG Mingjie.Research on the Estimation of Extreme Access Capacity of Distribution Network With Distributed Energy Resources[J].Power System and Clean Energy,2016,32(9):57-61.
[20]李祥超,徐晓培,董昌鑫,等.分布式控制系统电涌保护器设计方法的研究[J].电瓷避雷器,2016,58(6):120-125.LI Xiangchao,XU Xiaopei,DONG Changxin,et al.Study on Design Method of DCS's Surge Protection Device[J].Insulators and Surge Arresters,2016,58(6):120-125.
[21]周孝信.构建新一代能源系统的设想[J].陕西电力,2015,43(9):1-4.ZHOU Xiaoxin.A Tentative Idea of Building New Generation of Energy System[J].Shaanxi Electric Power,2015,43(9):1-4.