同步发电机励磁控制系统对电力系统稳定性的影响

Influence of Synchronous Generator Excitation Control System on the Stability of Power System

励磁系统是电力系统的关键点,可以增强电力系统运行的稳定性。基于此,全面分析同步发电机励磁系统基础原理,结合分析数据,构建健全的传递函数模型,形成完整的奈奎斯特曲线和阶跃响应曲线,明确不同励磁控制系统的响应特征。同时,通过Simulink真实仿真,全面分析影响励磁系统稳定性的原因。仿真结果证明,电力系统稳定性与励磁系统性能有直接联系,仿真数据是选择磁系统型号的主要依据。

The excitation system is a key point of the power system,which can enhance the stability of power system operation.Based on this,the article comprehensively analyzes the basic principle of synchronous generator excitation system,combines the analyzed data,constructs a sound transfer function model,forms a complete Nyquist curve and step response curve,and clarifies the response characteristics of different excitation control systems.Meanwhile,the reasons affecting the stability of the excitation system are comprehensively analyzed through Simulink real simulation.The simulation results prove that there is a direct connection between the power system stability and the excitation system performance,and the simulation data is the main basis for selecting the magnetic system model.