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电网技术  2010 

基于Karush-Kuhn-Tucker最优条件的电网可疑参数辨识与估计

, PP. 56-61

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Abstract:

电网元件参数的误差会导致能量管理系统的状态估计结果不准确,从而影响其他应用结果的可靠性和精确性,因此状态估计程序应当具有辨识和估计元件参数的功能。首先基于拉格朗日乘子的可疑支路辨识法,提出了一种迭代辨识算法,用于生成待修正的支路参数集;然后研究了基于参数–目标函数灵敏度的参数估计方法,该方法针对选出的可疑支路,计算出可疑支路参数对状态估计目标函数的灵敏度;最后利用变步长逐次逼近法估计可疑支路参数,该方法避免了传统方法的数值稳定性问题,具有很高的实用价值。IEEE14和IEEE30标准算例系统验证了所提出方法的正确性。

References

[1]  Schweppe F C,Wildes L J.Power system static state estimation,part I:exact model[J].IEEE Trans on Power Apparatus and Systems,PAS-89(1):120-125.
[2]  李碧君,薛禹胜,顾锦汶,等.电力系统状态估计问题的研究现状和展望[J].电力系统自动化,1998,22(11):53-60.
[3]  王凤萍.对能量管理系统建设的几点建议[J].电网技术,2000,
[4]  24 (2):77-79.
[5]  杨滢,孙宏斌,张伯明,等.集成于EMS中的参数估计软件的开发与应用[J].电网技术,2006,30(4):43-49.
[6]  Handschin E,Kliokys E.Transformer tap position estimation and bad data detection using dynamic signal modeling[J].IEEE Trans on Power Systems,1995,10(2):810-817.
[7]  王兴,刘广一,于尔铿.基于变比变化检测的变压器抽头位置跟踪估计算法[J].中国电机工程学报,1997,17(3):162-165.
[8]  Wang Xing,Liu Guangyi,Yu Erkeng.Transformer tap position tracing estimation based on turn ratio changing detection[J].Proceedings of the CSEE,1997,17(3):162-165(in Chinese).
[9]  于尔铿.电力系统状态估计[M].北京:水利电力出版社,1985:189-207.
[10]  Liu W H E,Wu F F,Liu S M.Estimations of parameter errors form measurement residuals in state estimation[J].IEEE Trans on Power Systems,1992,7(1):81-89.
[11]  Yang Ying,Sun Hongbin,Zhang Boming,et al.Development and application of parameter estimation software integrated into EMS[J].Power System Technology,2006,30(4):43-49(in Chinese).
[12]  宁辽逸,孙宏斌,吴文传,等.基于状态估计的电网支路参数估计方法[J].中国电机工程学报,2009,29(1):7-12.
[13]  Ning Liaoyi,Sun Hongbin,Wu Wenchuan,et al.State estimation based branch parameter estimation method for power grid[J].Proceedings of the CSEE,2009,29(1):7-12(in Chinese).
[14]  张伯明,陈寿孙,严正.高等电力网络分析[M].北京:清华大学出版社,2007:324-328.
[15]  Minguez R,Conejo A J.State estimation sensitivity analysis[J].IEEE Trans on Power Systems,2007,22(3):1080-1091.
[16]  Li Bijun,Xue Yusheng,Gu Jinwen,et al.Status quo and prospect of power system state estimation[J].Automation of Electric Power Systems,1998,22(11):53-60(in Chinese).
[17]  胡学浩.智能电网:未来电网的发展态势[J].电网技术,2009,33(14):1-5.
[18]  Hu Xuehao.Smart grid:A development trend of future power grid[J].Power System Technology,2009,33(14):1-5(in Chinese).
[19]  林宇峰,钟金,吴复立.智能电网技术体系探讨[J].电网技术,2009,33(12):8-14.
[20]  Lin Yufeng,Zhong Jin,Wu Felix.Discussion on smart grid supporting technologies[J].Power System Technology,2009,33(12):8-14(in Chinese).
[21]  陈树勇,宋书芳,李兰欣,等.智能电网技术综述[J].电网技术,2009,33(8):1-7.
[22]  Chen Shuyong,Song Shufang,Li Lanxin,et al.Survey on smart grid technology[J].Power System Technology,2009,33(8):1-7 (in Chinese).
[23]  Wang Fengping.Some suggestion on construction of energy management system[J].Power System Technology,2000,24(2):77-79(in Chinese).
[24]  杨滢.拓扑错误辨识与参数估计的理论分析和算法研究[D].北京:清华大学,2005.
[25]  Zhu J.A identification of network parameter errors[J].IEEE Trans on Power Systems,2006,21(2):586-592.
[26]  Cutsem T,Quintana V.Network parameter estimation using online data with application to transformer tap position estimation[J].IEE Proceedings-Generation Transmission and Distribution,1988,135(1):31-40.

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