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A measurement-based power system model for dynamic response estimation and instability warning

机译:动态响应估计和不稳定警告的基于测量的电力系统模型

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Traditional power system dynamic models are very complex due to the intricacy of power system networks and can be inaccurate for control because of the amount of details needed and the fact that the grid topology changes all the time. With the fast deployment of a large number of phasor measurement units (PMUs) in the transmission network, a purely measurement-based model for dynamics estimation and control may be obtained. After a preliminary examination of the strong linearity of large-scale power systems, this paper proposes a linear autoregressive with exogenous input model (ARX)-structured power system dynamic model and demonstrates that this proposed model is effective in power system dynamic response estimation and instability Warning. Both simulation and real measurement data have been used to validate the proposed method. Published by Elsevier B.V.
机译:由于电力系统网络的复杂性,传统的电力系统动态模型非常复杂,并且由于所需的详细信息数量以及电网拓扑始终在变化,这一事实对于控制而言可能是不准确的。通过在传输网络中快速部署大量相量测量单元(PMU),可以获得用于动力学估计和控制的纯基于测量的模型。在对大型电力系统的强线性进行了初步检查之后,本文提出了一种具有外源输入模型(ARX)的线性自回归结构电力系统动态模型,并证明了该模型对于电力系统动态响应估计和不稳定性有效警告。仿真和实际测量数据均已用于验证所提出的方法。由Elsevier B.V.发布

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