电网稳定分析与控制的系统参考系方法
A system reference frame approach for stability analysis and control of power grids
摘要：
在过去的几十年中，电力系统稳定性和控制领域取得了重大进展。然而，当在一般网络中通过分散条件进行这种分析时，它是基于保守的假设，例如采用无损网络。在本文中，我们提出了一种新的方法，分散的稳定性分析和控制的电网，通过网络和总线动态转换到系统的参考框架。特别是，上述变换使我们能够制定的网络模型作为一个输入输出系统，被证明是被动的，即使网络的损耗性质被考虑在内。然后，我们引入了广泛的一类总线动态被视为多变量输入/输出系统兼容的网络配方，并施加适当的无源性条件，保证电力网络的稳定性。我们讨论了这种方法所提供的机会和优势，同时解释了这是如何允许包括发电和电力流的先进模型。我们的分析是通过应用程序进行验证的两个区域昆杜尔和IEEE 68总线测试系统与主频率和电压调节机制。
英文摘要：
During the last decades, significant advances have been made in the area of power system stability and control. Nevertheless, when this analysis is carried out by means of decentralized conditions in a general network, it has been based on conservative assumptions such as the adoption of lossless networks. In the current paper, we present a novel approach for decentralized stability analysis and control of power grids through the transformation of both the network and the bus dynamics into the system reference frame. In particular, the aforementioned transformation allows us to formulate the network model as an input-output system that is shown to be passive even if the network's lossy nature is taken into account. We then introduce a broad class of bus dynamics that are viewed as multivariable input/output systems compatible with the network formulation, and appropriate passivity conditions are imposed on those that guarantee stability of the power network. We discuss the opportunities and advantages offered by this approach while explaining how this allows the inclusion of advanced models for both generation and power flows. Our analysis is verified through applications to the Two Area Kundur and the IEEE 68-bus test systems with both primary frequency and voltage regulation mechanisms included.
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