电力系统机电扰动传播研究综述
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摘要
传统基于数学模型仿真的方法难以有效解释电力系统机电动态过程的内在机理,机电波理论研究的逐步深入为此提供了新的理论工具,它从波动力学这一全新视角来分析电网中扰动的传播过程,对于揭示电力系统的机电动态机理并据此提出有效的控制措施具有重要意义。论文从扰动传播模型、传播特性、机电波控制器和机电波理论的初步应用等4个方面较为系统地归纳和总结了机电波传播研究领域的方法和成果,同时提出了包括模型优化改进、特性阻抗计算、振荡机理分析、稳定控制综合应用等8个该领域亟需解决的关键问题和有待进一步研究的重点内容。
In view of the fact that it is hard for traditional methods to effectively explain inherent mechanism of electromechanical dynamic processes of power system,deepgoing research on electromechanical wave theory provides a new theoretical means to solve the problem. It analyzes the propagation processes of disturbance in power grid from the point of view of wave mechanics, which is of great significance to reveal the electromechanical dynamic mechanism of power systems and put forward effective control measures. This paper systemically summarizes the approaches and achievements of electromechanical wave propagation research in the aspects of disturbance propagation medium model, electromechanical wave propagation characteristics, electromechanical wave controllers and the application of electromechanical wave theory. Meanwhile, the key problems need to solve and the important contents need to further study in this research field,such as improvement of the model, calculation of characteristic impedance, analysis of oscillation mechanism, comprehensive application of stability control and so on, are proposed.
In view of the fact that it is hard for traditional methods to effectively explain inherent mechanism of electromechanical dynamic processes of power system,deepgoing research on electromechanical wave theory provides a new theoretical means to solve the problem. It analyzes the propagation processes of disturbance in power grid from the point of view of wave mechanics, which is of great significance to reveal the electromechanical dynamic mechanism of power systems and put forward effective control measures. This paper systemically summarizes the approaches and achievements of electromechanical wave propagation research in the aspects of disturbance propagation medium model, electromechanical wave propagation characteristics, electromechanical wave controllers and the application of electromechanical wave theory. Meanwhile, the key problems need to solve and the important contents need to further study in this research field,such as improvement of the model, calculation of characteristic impedance, analysis of oscillation mechanism, comprehensive application of stability control and so on, are proposed.
引文
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