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电网技术  2011 

提高送端多直流落点系统暂态稳定性的L2增益控制

, PP. 99-103

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Abstract:

提出了一种改善送端多直流落点系统暂态稳定性的L2增益控制。首先将送端直流线路传送的有功功率简化为送端系统的正的有功负荷,构造送端多直流落点系统非线性微分代数方程模型;然后采用预置反馈的方法,得到包含多条直流线路的结构保持模型的拟哈密尔顿实现;最后基于拟哈密尔顿实现,针对系统外界干扰,通过非线性干扰抑制方法,得到高压直流与发电机励磁的控制规律,使得系统的干扰量到输出量的L2增益低于给定的水平。仿真结果表明,与传统控制器比较,所设计的控制器能够保证系统的渐进稳定性,有效抑制干扰,具有较强的鲁棒性。

References

[1]  卢强,梅生伟,孙元章.电力系统非线性控制[M].北京:清华大学出版社,2008:367-390.
[2]  孙元章,刘前进,宋永华,等.FACTS的PCH模型与自适应L2增益控制:(一)理论篇[J].电力系统自动化,2001,25(15):1-6.
[3]  Sun Yuanzhang,Liu Qianjin,Song Yonghua,et al.PHC models of FACTS with adaptive L2 gain control:part one theory[J].Automation of Electric Power Systems,2001,25(15):1-6(in Chinese).
[4]  何斌.微分代数方程Hamilton系统及其在电力系统稳定控制中的应用研究[D].上海:上海交通大学,2004.
[5]  Maschke B,Ortega R,Van D S A J.Energy-based Lyapunov functions for forced Hamiltonian systems with dissipation[J].IEEE Transactions on Automatic Control,2000,45(8):1498-1502.
[6]  Xi Z R,Chen D Z,Lu Q,et al.Nonlinear decentralized controller design for multimachine power systems using Hamiltonian function method[J].Automatica,2002,38(3):527-534.
[7]  Pai M A,Padiyar K R,Radhakrishna C.Transient stability analysis of multi-machine AC/DC power systems via energy-function method[J].IEEE Transactions on Power Apparatus and Systems,1981,100(12):5027-5035.
[8]  刘笙,汪静.电力系统暂态稳定性的能量函数分析[M].上海:上海交通大学出版社,1996:138-170.
[9]  杨大春.多馈入直流输电系统协调控制研究[D].成都:四川大学,2010.
[10]  Faruque M O,Zhang Y Y,Dinavahi V.Detailed modeling of CIGRE HVDC benchmark system using PSCAD/EMTDC and PSB/SIMULINK[J].IEEE Transactions on Power Delivery,2006,21(1):378-387.
[11]  李兴源.高压直流输电系统[M].北京:科学出版社,2010:1-9.
[12]  邵瑶,汤涌.多馈入交直流混合电力系统研究综述[J].电网技术,2009,33(17):24-30.
[13]  Shao Yao,Tang Yong.Research survey on multi-infeed AC/DC hybrid power systems[J].Power System Technology,2009,33(17):24-30(in Chinese).
[14]  谢惠藩,张尧,夏成军,等.负荷特性对特高压紧急直流功率支援的影响[J].电力系统自动化,2008,32(6):41-45,90.
[15]  Xie Huifan,Zhang Yao,Xia Chengjun,et al.Impacts of load characteristics on the UHVDC emergency DC power support strategy[J].Automation of Electric Power Systems,2008,32(6):41-45,90(in Chinese).
[16]  Jovcic D,Pahalawaththa N,Zavahir M.Novel current controller design for elimination of dominant oscillatory mode on an HVDC line[J].IEEE Transactions on Power Delivery,1999,14(2):543-548.
[17]  汪涓涓,张尧,黄敏,等.多馈入HVDC的模糊自适应协调阻尼控制器设计[J].电力系统自动化,2008,32(2):16-20.
[18]  Wang Juanjuan,Zhang Yao,Huang Min,et al.Design of fuzzy adaptive coordinated damping controller for multi-infeed HVDC system[J].Automation of Electric Power Systems,2008,32(2):16-20(in Chinese).
[19]  蔡超豪.HVDC的非线性H?控制[J].电网技术,2004,28(5):38-40.
[20]  Cai Chaohao.Non-linear H? control of HVDC[J].Power System Technology,2004,28(5):38-40(in Chinese).
[21]  鲜艳霞,李兴源.HVDC与发电机励磁的非线性综合控制策略[J].电网技术,2004,28(14):32-35.
[22]  Xian Yanxia,Li Xingyuan.A comprehensive nonlinear control strategy of HVDC and generator excitation[J].Power System Technology,2004,28(14):32-35(in Chinese).
[23]  Yang W D,Xu Z,Han Z X.Co-ordinated hierarchical control strategy for multi-infeed HVDC systems[J].IEE Proceedings:Generation,Transmission and Distribution,2002,149(2):242-248.
[24]  李国栋,毛承雄,陆继明,等.AC/DC混合输电系统分散协调控制[J].中国电机工程学报,2005,25(19):37-42.
[25]  Li Guodong,Mao Chengxiong,Lu Jiming,et al.Decentralized coordinated control of the AC/DC hybrid transmission system[J].Proceedings of the CSEE,2005,25(19):37-42(in Chinese).
[26]  徐光虎,王杰,陈陈,等.基于微分代数模型的AC/DC系统非线性控制器设计[J].中国电机工程学报,2005,25(7):52-57,103.
[27]  Xu Guanghu,Wang Jie,Chen Chen,et al.Design of nonlinear controller for AC/DC power system based on differential algebraic models[J].Proceedings of the CSEE,2005,25(7):52-57,103(in Chinese).
[28]  Tsolas N,Arapostathis A,Varaiya P.A structure preserving energy function for power system transient stability analysis[J].IEEE Transactions on Circuits and Systems,1985,32(10):1041-1049.

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