基于Lyapunov函数的非线性励磁控制器设计

针对单机无穷大电力系统,将Lyapunov(李亚普诺夫)稳定性理论应用于电力系统的非线性励磁控制,提出了一种实用的发电机非线性优化鲁棒励磁控制律.仿真结果表明,设计的励磁控制器不仅可提高系统的鲁棒性,抑制干扰对系统的影响,而且提高了励磁控制系统的反应速度,改善了电力系统的动态性能.

Nonlinear Excitation Controller Design Based on Lyapunov Function

The Lyapunov stability theory is adopted in design of nonlinear excitation contr ol in single machine infinite bus power system, and a practical nonlinear robust excitation control law is proposed. Simulation results show that the proposed e xcitation controller can enhance the robust performance of the system and improv e the response speed of excitation system, thus the dynamic performances of powe r system are also improved.