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首页> 外文期刊>Applied Mathematical Modelling >Multi-machine power system state-space modelling for small-signal stability assessments
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Multi-machine power system state-space modelling for small-signal stability assessments

机译：多机电源系统状态空间建模，用于小信号稳定性评估

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This work presents a general state-space representation of a multi-machine, multi-order power system model, which may be used to carry out small-signal stability assessments. Computational software coded in MATLAB has been developed in order to find and analyse the solution of an arbitrary number of synchronous generators in the network. Each generator is represented by a pre-defined model. The model choice is tailored to fit the available data for each generator. The software has provisions for conducting power flow solutions and the calculation of the initial state that the generators keep prior to the disturbance. The state-space representation and the equivalent transfer function matrix of the system are generated automatically. Eigenvalue analysis may be carried out using the standard MATLAB functionality. The paper is one of a tutorial nature and in order to check on the sanity of the results given by the new software, two text-book networks have been examined. The results were also compared with those generated using commercial industrial-grade software.
机译：这项工作提出了多机，多阶电力系统模型的一般状态空间表示，可用于执行小信号稳定性评估。为了寻找和分析网络中任意数量的同步发电机的解决方案，已经开发了用MATLAB编码的计算软件。每个生成器都由一个预定义的模型表示。定制模型选择以适合每个生成器的可用数据。该软件提供了执行功率流解决方案和计算发电机在干扰之前保持的初始状态的规定。系统的状态空间表示和等效传递函数矩阵是自动生成的。特征值分析可以使用标准的MATLAB功能进行。本文是一种教程性质的文章，为了检查新软件给出的结果是否合理，已检查了两个教科书网络。还将结果与使用商业工业级软件生成的结果进行了比较。

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