Volume 44 Issue 5
Oct.  2015
Article Contents

ZHANG Lin, LIAO Long-fei, YU Juan, ZHU Li-li, ZHU Li, . 考虑元件特性与物理约束的静态等值方法[J]. Journal of University of Electronic Science and Technology of China, 2015, 44(5): 712-718. doi: 10.3969/j.issn.1001-0548.2015.05.013
Citation: ZHANG Lin, LIAO Long-fei, YU Juan, ZHU Li-li, ZHU Li, . 考虑元件特性与物理约束的静态等值方法[J]. Journal of University of Electronic Science and Technology of China, 2015, 44(5): 712-718. doi: 10.3969/j.issn.1001-0548.2015.05.013

考虑元件特性与物理约束的静态等值方法

doi: 10.3969/j.issn.1001-0548.2015.05.013
  • Publish Date: 2015-10-15
  • 在难以获得外网实时同步信息,但又必须考虑外网对内网的影响时,采用基于边界处实时状态信息的非拓扑静态等值方法成为解决上述问题的有效途径。该文针对单端口互联电网提出考虑外网元件特性与参数物理约束的静态等值方法,外网对内网电压和功率的支撑作用通过外网中各元件的特性实现。因此,首先将外网主要元件特性尽可能全面地通过合理的等值参数保留在外网等值电路中,提出基于外网元件特性的单端口等值电路;然后,基于该等值电路和边界节点处的多时段实时状态信息建立量测方程,并在分析等值电路参数物理意义的基础上提出带约束的静态等值优化模型。在新英格兰39节点系统中验证了该方法所计算的等值参数符合实际物理意义,且能较大程度地提高静态安全分析精度。
  • [1] 余娟, 张勉, 朱柳, 等. 考虑灵敏度一致性的外网静态等 值新理论研究[J]. 中国电机工程学报, 2013, 33(10): 64-70. YU Juan, ZHANG Mian, ZHU Liu, et al. New theory on external network static equivalent based on sensitivity consistency[J]. Proceedings of the CSEE, 2013, 33(10): 64-70.
    [2] POON K K Y, EMAMI R, BOSE A, et al. External data exchange issues for state estimation in power systems[J]. IEEE Transactions on Power Systems, 2012, 27(2): 849-856.
    [3] 余娟, 朱柳, 颜伟, 等. 基于内网实测信息的多端口外网 静态等值方法[J]. 电力自动化设备, 2013, 33(6): 32-37. YU Juan, ZHU Liu, YAN Wei, et al. Multi-port external network static equivalent on the basis of internal network measured information[J]. Electric Power Automation Equipment, 2013, 33(6): 32-37.
    [4] 张海波, 张伯明, 王俏文, 等. 不同外网等值模型对EMS 应用效果影响的试验研究[J]. 电网技术, 2006, 30(3): 1-6. ZHANG Hai-bo, ZHANG Bo-ming, WANG Qiao-wen, et al. A test investigationon effeet of different externai network equivalent models on EMS applications[J]. Power System Technology, 2006, 30(3): 1-6.
    [5] VU K, BEGOVIC M M, NOVOSEL D, et al. Use of local measurements to estimate voltage-stability margin[J]. IEEE Transactions on Power Systems, 1999, 14(3): 1029-1035.
    [6] 刘明松, 张伯明, 姚良忠, 等. 基于PMU和改进戴维南等 值模型的电压稳定在线监视[J]. 电力系统自动化, 2009, 33(10): 6-10. LIU Ming-song, ZHANG Bo-ming, YAO Liang-zhong, et al. Online voltage stability monitoring based on PMU and improved Thevenin equivalent model[J]. Automation of Electric Power Systems, 2009, 33(10): 6-10.
    [7] 刘道伟, 韩学山, 任玲玉, 等. 基于轨迹灵敏度的戴维南 等效参数迭代优化辨识[J]. 中国电机工程学报, 2010, 30(S1): 37-42. LIU Dao-wei, HAN Xue-shan, REN Ling-yu, et al. Identification of Thevenin equivalent parameters using iterative optimization approach based on the trajectory sensitivity[J]. Proceedings of the CSEE, 2010, 30(S1): 37-42.
    [8] 颜伟, 李世明, 陈俊, 等. 基于内网实测信息的两端口外 网静态等值参数估计方法[J]. 中国电机工程学报, 2011, 31(13): 101-106. YAN Wei, LI Shi-ming, CHEN Jun, et al. Parameter estimation for two-port external network static equivalent model on the basis of internal network measured information[J]. Proceedings of the CSEE, 2011, 31(13): 101-106.
    [9] 李智, 杨洪耕. REI等值和变距线性回归在地区电网电压 无功优化控制中的应用[J]. 电力系统保护与控制, 2012, 40(1): 18-22. LI Zhi, YANG Hong-geng. Application of REI equivalent and varying-intercept linear regression in voltage and reactive power optimization control in regional power grid[J]. Power System Protection and Control, 2012, 40(1): 18-22.
    [10] 郭文鑫, 李世明, 朱柳, 等. 考虑量测误差计及等值参 数物理约束的外网静态等值方法[J]. 电网技术, 2012, 36(10): 216-221. GUO Wen-xin, LI Shi-ming, ZHU Liu, et al. A method for static equivalence of external network considering measurement error and physical constraints of equivalent parameters[J]. Power System Technology, 2012, 36(10): 216-221.
    [11] 李卫星, 牟晓明, 李志民. 电力系统戴维南等值参数的 解析与思考[J]. 中国电机工程学报, 2012, 32(S1): 28-34. LI Wei-xing, MOU Xiao-ming, LI Zhi-min. Analysis and thoughts on the thevenin equivalent parameters for power systems[J]. Proceedings of the CSEE, 2012, 32(S1): 28-34.
    [12] WANG Yun-fei, PORDANJANI I R, LI Wei-xing, et al. Voltage stability monitoring based on the concept of coupled single-port circuit[J]. IEEE Transactions on Power Systems, 2011, 26(4): 2154-2163.
    [13] YU J, ZHANG M, LI W Y. Static equivalent method based on component particularity representation and sensitivity consistency[J]. IEEE Transactions on Power Systems, 2014, 29(5): 2400-2408.
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考虑元件特性与物理约束的静态等值方法

doi: 10.3969/j.issn.1001-0548.2015.05.013

Abstract: 在难以获得外网实时同步信息,但又必须考虑外网对内网的影响时,采用基于边界处实时状态信息的非拓扑静态等值方法成为解决上述问题的有效途径。该文针对单端口互联电网提出考虑外网元件特性与参数物理约束的静态等值方法,外网对内网电压和功率的支撑作用通过外网中各元件的特性实现。因此,首先将外网主要元件特性尽可能全面地通过合理的等值参数保留在外网等值电路中,提出基于外网元件特性的单端口等值电路;然后,基于该等值电路和边界节点处的多时段实时状态信息建立量测方程,并在分析等值电路参数物理意义的基础上提出带约束的静态等值优化模型。在新英格兰39节点系统中验证了该方法所计算的等值参数符合实际物理意义,且能较大程度地提高静态安全分析精度。

ZHANG Lin, LIAO Long-fei, YU Juan, ZHU Li-li, ZHU Li, . 考虑元件特性与物理约束的静态等值方法[J]. Journal of University of Electronic Science and Technology of China, 2015, 44(5): 712-718. doi: 10.3969/j.issn.1001-0548.2015.05.013
Citation: ZHANG Lin, LIAO Long-fei, YU Juan, ZHU Li-li, ZHU Li, . 考虑元件特性与物理约束的静态等值方法[J]. Journal of University of Electronic Science and Technology of China, 2015, 44(5): 712-718. doi: 10.3969/j.issn.1001-0548.2015.05.013
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