摘要
通过对电动鼓风机的变频起动、继电保护、励磁系统的介绍，说明电动鼓风机在高炉上的应用具有高度的安全性和可靠的操作性。
Inverter- starter, relay protect and non -brush excitation were discussed. It is safety and credibility operation to use the electric fan in the blast furnace engineering.
关键词
同步电动机
变频起动
继电保护
无刷励磁
synchronous electromotor
inverter- starter
relay protect
non -brush excitation
