水轮发电机励磁系统非线性PID控制器设计与研究

Design and Research of the Nonlinear PID Excitation Controller for Hydraulic Turbine-generator

根据工程实践经验,提出了一种简单实用的非线性PID控制器用于水轮发电机励磁控制,描述了非线性PID励磁控制器的结构与算法,并在SIMULINK环境中进行仿真,说明这种非线性PID控制器具有较好的动静态特性。

According to the practical experience, a simple and practical nonlinear controller with proportional, integral and derivative (PID) is proposed to control turbine-generator excitation system by introducing a nonlinear function. The structure and use of the nonlinear PID controller are illustrated and simulated using Simulink blocks. The simulation indicates the nonlinear PID excitation controller has a better performance.