摘 要：本文从改造方案设计、变频器配置、改造实施过程以及变频器在烧结主抽风机上的成功应用，论述了涟钢360m²烧结机主抽风机实施变频运行改造的技术过程。变频改造后，系统运行稳定、安全可靠、节能效果显著。

关键词：烧结主抽风机；同步电机；高压大功率变频器；节能改造

Abstract: This article discusses the technology process of the variable frequency modification for the main exhaust fan of 360m² sintering machine in Lian iron and steel company through the design, configuration and the modification process. After the VFD installation, the sintering system is running stably, safely and reliably and