干熄焦循环风机主电机继电保护解决方案  

Analysis on relay protection solution in the motor of CDQ fan

作　　者：李华峰 魏巍 丁震 高松 

机构地区：[1]中冶焦耐工程技术有限公司,大连116085

出　　处：《燃料与化工》2014年第4期27-29,共3页Fuel & Chemical Processes

摘　　要：如何恰当、完整地配置干熄焦循环风机的继电保护装置是循环风机电气设计中需要完善解决的重要问题。考虑了电动机非工频运行的采样值差动保护算法及磁平衡差动保护等技术的应用,为大型干熄焦循环风机主电机的继电保护问题提供了更多可选择的解决方案。To correctly and completely configure relay protection device of the motor in CDQ circulating fan is a critical issue of electric engineering of circulating fan. The author has considered the technical application such as sampling value differential protection algorithm and magnetron balance differential protection etc. during motor non-work frequency operation. And more solution has been made for relay protection of the motor in CDQ circulating fan.

关 键 词：干熄焦 循环风机 变频器 继电保护 纵联差动保护 磁平衡差动保护 

分 类 号：TQ520.5[化学工程—煤化学工程]