基于Prony算法的发电机励磁系统参数辨识

Parameter Identification of Generator Excitation System Based on Prony Algorithm

阐述了发电机励磁系统参数辨识的原理。基于Prony算法提出了一种工程上便于应用的发电机励磁系统参数辨识新方法。指出该方法的优点是根据励磁系统输入、输出响应信号直接在时域上实现参数的辨识。在Matlab/Simulink中的仿真结果表明,该算法能准确的辨识出励磁系统各个环节的参数,具有精度好、运算率高、程序通用性强等优点。

The principle of parameter identification of generator excitation system is described.Then based on Prony algorithm,this paper proposes a new and practical method to identify excitation system parameters.The advantage of this method is that the parameter can be identified in time domain directly according to input/output response signals of excitation system.The simulation results in Matlab/Simulink show that this algorithm can accurately identify all the excitation system parameters with higher precision,operation efficiency,and program versatility.