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A New Optimum Design of H∞ Decentralized Robust Excitation Controllers for Multi-Machine Power Systems
Author(s): 
Pages: 42-46
Year: Issue:  10
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  分散控制H∞控制理论鲁棒控制励磁控制优化设计;
Abstract: 基于H∞控制理论,提出了在多机电力系统励磁控制器设计中求取反馈增益的优化方法.该方法设定外部干扰矩阵,基于全状态的分散,将系统干扰项考虑到反馈增益矩阵F中,用迭代方法求F阵以使闭环系统最优.理论分析证明,采用该方法设计的分散鲁棒励磁控制器,能保证闭环系统的稳定性并使其具有良好的动态性能.仿真实验结果表明,该方法可有效地优选出分散励磁控制器的参数,使控制系统具有较强的鲁棒性,很好地实现了多机电力系统的分散协调控制.
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