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基于高通滤波器技术的电力系统霍普分岔控制
  • 期刊名称:电网技术
  • 时间:0
  • 页码:76-80
  • 语言:中文
  • 分类:TM71[电气工程—电力系统及自动化]
  • 作者机构:[1]天津市复杂系统控制理论及应用重点实验室(天津理工大学),天津市南开区300384
  • 相关基金:国家自然科学基金项目(50877053);天津市自然科学基金(09JCYBJC07100).
  • 相关项目:风电系统电压稳定性分析及系统中的分岔现象
中文摘要:

针对电力系统运行中出现的影响系统电能质量及安全运行的Hopf分岔现象,给出了一种基于高通滤波器技术的电力系统Hopf分岔控制方法。根据Hopf分岔发生的条件确定高通滤波器控制器的线性和非线性增益系数。通过控制有效地消除了控制前系统存在的Hopf分岔点,很大程度上增大了系统运行的稳定域。理论分析和仿真结果表明了该控制方法的有效性。

英文摘要:

To eliminate the Hopf bifurcation phenomena that occurs during the operation of power system and affects both power quality and power system security, a Washout filter technology based method to control Hopf bifurcation in power system is proposed. According to the condition by which the Hopf bifurcation occurs, the linear and nonlinear gain coefficients of high-pass filter controller are determined. Through the control the Hopf bifurcation point existed in the power system before the control can be effectively eliminated, thus the stability region of power system operation is expanded evidently. The effectiveness of the proposed method based on Washout filter is verified by results of theoretical analysis and simulation.

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