变频调速技术在冶金电气系统中的应用  

Application of Variable-frequency Speed-regulation Technology in Metallurgical Electrical System

作　　者：杨昌强 YANG Chang-qiang(Nanjing Iron and Steel Co.,Ltd.Nanjing 210000,China)

机构地区：[1]南京钢铁股份有限公司,江苏南京210000

出　　处：《全面腐蚀控制》2025年第2期97-99,共3页Total Corrosion Control

摘　　要：本文阐述了变频调速技术原理,其通过改变电源频率调控电机转速。该技术调速范围广、控制精度高、节能效果好、启动平稳且可靠性强。文中重点介绍了其在冶金运输辊道、轧机、风机和水泵中的应用,包括运输辊道的精确调速与软启动软停止、轧机的高精度调速和多电机同步、风机与水泵的节能及流量风量精确控制和软启动软停止功能。This paper elaborates on the principle of variable-frequency speed-regulation technology,which adjusts the motor speed by changing the power frequency.This technology has a wide speed-regulation range,high control accuracy,good energy-saving effect,stable start-up,and high reliability.The paper mainly introduces its applications in metallurgical transport rollers,rolling mills,fans,and pumps,including the precise speed regulation,soft start-up,and soft stop of transport rollers,high-precision speed regulation and multi-motor synchronization of rolling mills,energy-saving,preciseflow and air volume control,and soft start-up and soft stop functions of fans and pumps.

关 键 词：变频调速技术 冶金电气系统 节能 设备控制 

分 类 号：TM921.51[电气工程—电力电子与电力传动]