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A Discrete System Approach for Short-term Voltage Stability Analysis

机译:短期电压稳定性分析的离散系统方法

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A key task in stability analysis is to solve a group of differential - algebraic equations. In this paper, a closed-form solution of the network equations is derived based on the familiar Dommel-Sato iteration. For different load models, we derive the corresponding closed-form network voltage expressions. After applying the improved Euler integration, a discrete system model of AC power grid dynamics is obtained. Examples using the proposed discrete system model are provided, and compared with the simulation results using BPA, a popular production-grade simulation software.
机译:稳定性分析的关键任务是求解一组微分-代数方程。在本文中,基于熟悉的Dommel-Sato迭代推导了网络方程的闭式解。对于不同的负载模型,我们推导了相应的闭式网络电压表达式。应用改进的Euler积分后,获得了交流电网动力学的离散系统模型。提供了使用建议的离散系统模型的示例,并将其与使用流行的生产级仿真软件BPA的仿真结果进行了比较。

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