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以电力系统的非线性数学模型为基础，根据直接反馈线性化与滑模变结构控制理论，提出了一种旨在提高电力系统稳定性的由直接反馈线性化与滑模变结构混合控制完成的电力系统同步发电机励磁控制器．仿真研究表明，所提出的励磁控制器不仅可以有效地改善系统的动态品质，而且在提高电力系统的稳定性，尤其是大干扰稳定性方面有明显的作用．
Based on the nonlinear mathematical model of power system and based on the theory of direct feedback linearization and sliding mode variable structure control, a hybrid direct feedback linearization and sliding mode variable structure control is proposed to improve the stability of power system Power System Synchronous Generator Excitation Controller. The simulation results show that the proposed excitation controller not only can effectively improve the dynamic quality of the system, but also plays an obvious role in improving the stability of the power system, especially in large disturbance.