基于暂态势能控制的储能提高暂态稳定性研究
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摘要
为研究储能电源快速提高电力系统的暂态稳定性,提出一种基于支路暂态势能控制的方法。利用储能电源的快速能量转换能力消纳电力系统扰动过程中被注入的过剩暂态动能,将系统内临界割集的支路暂态势能控制在有限范围内,实现电力系统暂态过程中动能与势能的有效转换。通过电力系统分析综合程序PSASP的用户自定义建模模块,构建反应储能电源特性的储能电源暂态模型并定义了暂态稳定评价指标。仿真分析结果表明,所提方法和研究结果对于储能电源提高电力系统暂态稳定性具有指导意义.
To study the energy storage power that can rapidly improves the transient stability of power systems,this paper proposes a method based on the control of branch transient potential energy. By dissolving the excessive transient ki-netic energy through the ability of fast energy transformation of energy storage power,the branch transient potential en-ergy of critical cut-set in the system is controlled to be within a limited range,which achieves an efficient conversion between the kinetic and potential energies during the transient process of power systems. Through using the user-definedmodule of PSASP,a transient model that shows the characteristics of energy storage power is built,and the transientstability index is defined. Simulation result indicates that the proposed method and its findings can provide reference forthe improvement of transient stability of power systems.
To study the energy storage power that can rapidly improves the transient stability of power systems,this paper proposes a method based on the control of branch transient potential energy. By dissolving the excessive transient ki-netic energy through the ability of fast energy transformation of energy storage power,the branch transient potential en-ergy of critical cut-set in the system is controlled to be within a limited range,which achieves an efficient conversion between the kinetic and potential energies during the transient process of power systems. Through using the user-definedmodule of PSASP,a transient model that shows the characteristics of energy storage power is built,and the transientstability index is defined. Simulation result indicates that the proposed method and its findings can provide reference forthe improvement of transient stability of power systems.
引文
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[9]付华,柳梦雅,陈子春(Fu Hua,Liu Mengya,Chen Zi-chun).风光储电动汽车换电站多目标运行优化(Multi-objective optimization of battery swapping station withwind photovoltaic and energy storage)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(4):38-43.
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[13]刘友波,刘俊勇,王民昆,等(Liu Youbo,Liu Junyong,Wang Minkun,et al).计及动能注入介数的线路暂态脆弱性快速评估(Fast assessment method for transient vul-nerability of transmission lines based on kinetic energy in-jection betweenness)[J].中国电机工程学报(Proceed-ings of the CSEE),2011,31(13):40-47.
[14]王科,游大海,尹项根,等(Wang Ke,You Dahai,YinXianggen,et al).基于支路势能脊的电力系统暂态稳定分析和临界割集识别(Power system transient stabilityanalysis and critical cutset detection based on branchridge)[J].电工技术学报(Transactions of China Electro-technical Society),2013,28(11):262-269.
[2]周双喜,吴畏,吴俊玲,等(Zhou Shuangxi,Wu Wei,WuJunling,et al).超导储能装置用于改善暂态电压稳定性的研究(Application of superconducting magnetic energystorage to improve transient voltage stability)[J].电网技术(Power System Technology),2004,28(4):1-5.
[3]樊冬梅,雷金勇,甘德强(Fan Dongmei,Lei Jinyong,GanDeqiang).超导储能装置在提高电力系统暂态稳定性中的应用(Application on improving power system tran-sient stability by superconducting magnetic energy stor-age device)[J].电网技术(Power System Technology),2008,32(18):82-86.
[4]Kawabe K,Yokoyama A.Effective utilization of large-ca-pacity battery systems for transient stability improvementin multi-machine power system[C]//IEEE InternationalConference on Power Tech.Trondheim,Norway,2011.
[5]张步涵,马智泉,谢光龙,等(Zhang Buhan,Ma Zhiquan,Xie Guanglong,et al).并联储能型FACTS装置的PSASP建模与仿真(Modeling and simulation of parallel FACTSwith energy storage in power system analysis softwarepackage)[J].电网技术(Power System Technology),2010,34(3):31-36.
[6]李妍,荆盼盼,王丽,等(Li Yan,Jing Panpan,Wang Li,et al).通用储能系统数学模型及其PSASP建模研究(Amathematical model of versatile energy storage systemand its modeling by power system analysis software pack-age)[J].电网技术(Power System Technology),2012,36(1):51-57.
[7]Xia Tian,He Lei,An Ning,et al.Electromechanical tran-sient modeling research of energy storage system based onpower system security and stability analysis[C]//IEEE In-ternational Conference on Power System Technology.Chengdu,China,2014:221-226.
[8]江润洲,邱晓燕,陈光堂(Jiang Runzhou,Qiu Xiaoyan,Chen Guangtang).风电场混合储能系统优化配置方法(Optimal configuration method of hybrid energy storagesystem for wind farm)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2015,27(1):37-42,48.
[9]付华,柳梦雅,陈子春(Fu Hua,Liu Mengya,Chen Zi-chun).风光储电动汽车换电站多目标运行优化(Multi-objective optimization of battery swapping station withwind photovoltaic and energy storage)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(4):38-43.
[10]倪以信,陈寿孙,张宝霖.动态电力系统的理论和分析[M].北京:清华大学出版社,2002.
[11]蔡国伟,穆钢,Chan K W,等(Cai Guowei,Mu Gang,Chan K W,et al).基于网络信息的暂态稳定性定量分析-支路势能法(Branch potential energy method for pow-er system transient stability assessment based on networkdynamic variables)[J].中国电机工程学报(Proceedingsof the CSEE),2004,24(5):1-6.
[12]Cai G W,Chan K W,Yuan W P,et al.Identification of thevulnerable transmission segment and cluster of criticalmachines using line transient potential energy[J].Interna-tional Journal of Electrical Power and Energy Systems,2007,29(3):199-207.
[13]刘友波,刘俊勇,王民昆,等(Liu Youbo,Liu Junyong,Wang Minkun,et al).计及动能注入介数的线路暂态脆弱性快速评估(Fast assessment method for transient vul-nerability of transmission lines based on kinetic energy in-jection betweenness)[J].中国电机工程学报(Proceed-ings of the CSEE),2011,31(13):40-47.
[14]王科,游大海,尹项根,等(Wang Ke,You Dahai,YinXianggen,et al).基于支路势能脊的电力系统暂态稳定分析和临界割集识别(Power system transient stabilityanalysis and critical cutset detection based on branchridge)[J].电工技术学报(Transactions of China Electro-technical Society),2013,28(11):262-269.