励磁控制系统的动态频率响应检测分析系统  

Dynamic Frequency Response Detection and Analysis System of Excitation Control System

作　　者：胡嘉纯 黄大可[2] HU Jiachun;HUANG Dake(Nanjing Energie Electric Co.,Ltd.,Nanjing 211100,China;China Yangtze Power Co.,Ltd.,Yichang 443002,China)

机构地区：[1]南京英纳瑞电气有限公司,南京211100 [2]中国长江电力股份有限公司,湖北宜昌443002

出　　处：《大电机技术》2020年第1期78-83,共6页Large Electric Machine and Hydraulic Turbine

摘　　要：针对发电机励磁控制系统动态频率响应特性的现场检测需求,以及现有测试方法不直接、不真实,测试结果不能得到有效的,稳定判据的问题,提出了直接面向励磁控制系统,无须模型仿真,具有自动加入超低频扰动信号,逐次扫频记录,在线分析和信号处理的新型动态测试系统。本文阐述了在系统结构设计,分析计算,系统的软硬件设计和主要功能配置,该系统能有效解决开环频响特性的快速检测的工程应用难题,为励磁控制系统应用经典控制理论调试检测补偿的创新方法。Aiming at the on-site detection requirements of the dynamic frequency response characteristics of the generator excitation control system,and the existing test methods are not direct and untrue,and the test results cannot obtain effective stability criteria,a direct-oriented excitation control system is proposed without model simulation.It has a new dynamic test system that automatically adds ultra-low frequency disturbance signals,successive frequency sweep recording,online analysis and signal processing.The system structure design,analysis and calculation,system software and hardware design,and main function configuration are described.The system can effectively solve the engineering application problems of fast detection of open-loop frequency response characteristics,and apply classic control theory to debug and compensate the excitation control system innovative methods.

关 键 词：励磁控制系统 发电机 频率响应特性 HHT算法 低频振荡 动态补偿 

分 类 号：TM331[电气工程—电机]