轴流式高炉鼓风机变频调速问题分析

钢铁行业高炉鼓风机的变频调速控制,一直是电动机驱动领域让人望而却步的改造项目。其原因之一是功率大,一般在10MW以上;二是高炉鼓风机的可靠性要求高,一旦出现故障就会造成严重后果;三是高炉鼓风机一般都采用轴流式风机,在小流量时容易发生喘振,对变频器的控制要求很高。本文对轴流式高炉鼓风机变频调速的问题进行了详细分析。

Analysis of axial flow blower frequency conversion problem

Variable frequency speed control of blast furnace blower control of the steel industry, has been the transformation of motor driving field people and step back.Project. One of the reasons is the large power, generally in the 10MW above; two is the reliability of the blast furnace blower high requirements, once appear A fault may cause serious consequences; blast furnace blower three is generally used axial flow fan, easy in small flow surge,The high frequency converter control requirements. The paper carried out a detailed analysis on axial flow blower frequency conversion problem.