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Constructing the polynomial model of power system in Matlab
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We analyze and optimize the construction method of polynomial form in power systems, which is used to construct Lyapunov functions using the Sum Of Squares (SOS) method to analyze transient stability of power systems. This construction method is based on variable substitution of trigonometric nonlinearities in polynomials, without the need to first calculate the polynomial containing the trigonometric nonlinearities, which means we can skip this step and simplify the workload. At the end of this article, the correctness of this method is demonstrated by comparing it with the results of Time domain analysis.
Power systemTransient stabilityPolynomial model
Donghao Liu、Zhongming Shi、Ningqiang Jiang
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Nanjing University of Science and Technology, Nanjing, Jiangsu, 210000, China
School of Automation, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210000, China
International Conference on Energy Materials and Electrical Engineering
Lhasa(CN)
Tenth International Conference on Energy Materials and Electrical Engineering
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