基于序优化方法的主动配电网调度优化决策
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摘要
近年来,随着可再生能源发电技术快速发展,电网中可再生能源的渗透率不断提高。主动配电网技术被认为是实现可再生能源高效消纳的一种有效解决方案。主动配电网的调度决策深刻影响着配电网的可靠性与经济性,是主动配电网实现其应用价值的核心技术,因此研究主动配电网的调度优化决策方法具有重要的现实意义。该文针对同时具有分布式光伏、风电以及储能设备的主动配电网,建立了考虑分布式电源特性与电价影响的主动配电网调度优化决策模型,并利用序优化方法进行快速高效求解,得到主动配电网在运行周期内的最优调度策略。最后,利用某实际配电网的算例验证了该文提出的主动配电网调度优化决策方法的有效性。
With the rapid development of renew able energy generation,the technique of active distribution network is taken as an effective solution to efficiently accommodate renew able energy in recent years. The dispatching strategy of active distribution network affects the reliability and economy of distribution network deeply,which is the key technique to realize the value of active distribution network. So it is of great value to conduct the research on the dispatching optimization decision-making of active distribution network. Focusing on the active distribution network with distributed photovoltaic,wind power and energy storage devices integrated,this paper proposes a dispatching optimization decision-making model considering the characteristics of distributed generation and electricity price. Based on the ordinal optimization theory,the optimal dispatching strategy of active distribution network for certain operation period can be achieved efficiently. Finally,a case study on a real distribution network is carried out to verify the effectiveness of the proposed dispatching optimization decision-making method for active distribution network.
With the rapid development of renew able energy generation,the technique of active distribution network is taken as an effective solution to efficiently accommodate renew able energy in recent years. The dispatching strategy of active distribution network affects the reliability and economy of distribution network deeply,which is the key technique to realize the value of active distribution network. So it is of great value to conduct the research on the dispatching optimization decision-making of active distribution network. Focusing on the active distribution network with distributed photovoltaic,wind power and energy storage devices integrated,this paper proposes a dispatching optimization decision-making model considering the characteristics of distributed generation and electricity price. Based on the ordinal optimization theory,the optimal dispatching strategy of active distribution network for certain operation period can be achieved efficiently. Finally,a case study on a real distribution network is carried out to verify the effectiveness of the proposed dispatching optimization decision-making method for active distribution network.
引文
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[2]丁明,石雪梅.新能源接入对主动配电网的影响[J].电力建设,2015,36(1):76-84.DING Ming,SHI Xuemei.Effect of new energy paralleling to the active distribution networks[J].Electric Power Construction,2015,36(1):76-84.
[3]范明天,张祖平,苏傲雪,等.主动配电系统可行技术的研究[J].中国电机工程学报,2013,33(22):12-17.FAN Mingtian,ZHANG Zuping,SU Aoxue,et al.An investigation of enabling technologies for active distribution system[J].Proceedings of the CSEE,2013,33(22):12-17.
[4]刘广一,张凯,舒彬.主动配电网的6个主动与技术实现[J].电力建设,2015,36(1):33-37.LIU Guangyi,ZHANG Kai,SHU Bin.Six actives and key technologies of active distribution network[J].Electric Power Construction,2015,36(1):33-37.
[5]程林,刘琛,康重庆,等.主动配电网关键技术分析与展望[J].电力建设,2015,36(1):26-32.CHENG Lin,LIU Chen,KANG Chongqing,et al.Analysis of development of key technologies in active distribution network[J].Electric Power Construction,2015,36(1):26-32.
[6]金尧,王正宇,蒋传文,等.主动配电网与主网协调调度[J].电力建设,2016,37(1):38-44.JIN Yao,WANG Zhengyu,JIANG Chuanwen,et al.Coordinative dispatching betw een active distribution network and main network[J].Electric Power Construction,2016,37(1):38-44.
[7]尤毅,刘东,钟清,等.主动配电网优化调度策略研究[J].电力系统自动化,2014,38(9):177-183.YOU Yi,LIU Dong,ZHONG Qing,et al.Research on optimal schedule strategy for active distribution network[J].Automation of Electric Power Systems,2014,38(9):177-183.
[8]王健,谢桦,孙健.基于机会约束规划的主动配电网能量优化调度研究[J].电力系统保护与控制,2014,42(13):45-52.WANG Jian,XIE Hua,SUN Jian.Study on energy dispatch strategy of active distribution network using chance-constrained programming[J].Power System Protection and Control,2014,42(13):45-52.
[9]沙熠,邱晓燕,宁雪姣,等.协调储能与柔性负荷的主动配电网多目标优化调度[J].电网技术,2016,40(5):1394-1399.SHA Yi,QIU Xiaoyan,NING Xuejiao,et al.Multi-objective optimization of active distribution network by coordinating energy storage system and flexible load[J].Power System Technology,2016,40(5):1394-1399.
[10]HO Y C,SREENIVAS R S,VAKILI P.Ordinal optimization of DEDS[J].Discrete Event Dynamic Systems,1992,2(1):61-88.
[11]LIN S Y,HO Y C,LIN C H.An ordinal optimization theory based algorithm for solving the optimal power flow problem with discrete control variables[J].IEEE Transactions on Power Systems,2004,19(1):276-286.
[12]GUAN X,HO Y C,LAI F.An ordinal optimization based bidding strategy for electric power suppliers in the daily energy market[J].IEEE Transactions on Power Systems,2001,16(4):788-797.
[13]XU Q,KANG C,XIA Q,et al.Anti-disaster transmission expansion planning considering wind power integration using ordinal optimization[C]//IEEE Power and Energy Society General M eeting.Nation Harbor,M aryland:IEEE,2014:1-5.
[14]LAU T W E,HO Y C.Universal alignment probabilities and subset selection for ordinal optimization[J].Journal of Optimization Theory and Applications,1997,93(3):445-489.