炼铁高炉主卷扬变频调速系统

The Variable Frequency Drive System for Master Winch of Blast-furnace

本文分析了炼铁高炉上料主卷扬机的负载特性，介绍了应用变频调速技术实现主卷扬机的电气传动，设计的主卷扬变频调速系统在工业运行中被证明具有良好的效果。

This paper analyzes the load characteristic for master winch of blast furnace stocking machine and introduces the mode of electric drive for master winch using variable-frequency drive system. The system have been used inironworks and it is proved that the technology of the system is mature and the per formance is stable and reliable.