| 一种新的Lure型Lyapunov函数及其在电力系统稳定性分析中的应用 |
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| 引用本文： | 曹一家 程时杰. 一种新的Lure型Lyapunov函数及其在电力系统稳定性分析中的应用[J]. 中国电机工程学报, 1993, 13(6): 46-53 |
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| 作者姓名： | 曹一家 程时杰 |
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| 作者单位： | 华中理工大学电力系 430074(曹一家，程时杰)，华中理工大学电力系 430074(陈德树) |
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| 摘 要： | 本文构造了一类多变量非线性控制系统新的李雅普诺夫函数,并将它用于电力系统稳定性分析,得到了单机无穷大系统、多机系统的改进型李雅普诺夫函数。计算例题表明:该类型李雅鲁诺夫函数和传统的Lure型李雅普诺夫函数相比,能更准确地给出电力系统暂态稳定域。
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| 关 键 词： | 函数 稳定性 电力系统 |
An Improved Lure Lyapunov Function And Its Applications In Power System Stability Analysis |
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| Cao Yijia Cheng Shijie Chen Deshu Huazhong University of Science ,Technology. An Improved Lure Lyapunov Function And Its Applications In Power System Stability Analysis[J]. Proceedings of the CSEE, 1993, 13(6): 46-53 |
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| Authors: | Cao Yijia Cheng Shijie Chen Deshu Huazhong University of Science &Technology |
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| Affiliation: | Cao Yijia Cheng Shijie Chen Deshu Huazhong University of Science &Technology |
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| Abstract: | An improved Lure Lyapunov function for multi - variable nonlinear systems is proposed in this paper. Applications of this kind of Lyapunov function to power system stability analysis result in new Lyapunov functions for single machine - infinite bus and multi - machine power systems. The illustrating examples show that compared with the traditional Lure Lyapunov function, the stability regions given by the proposed Lyapunov function arc closer to the practical ones. |
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| Keywords: | Improved Lure Lyapunov function Stability Power system |
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