增安型和正压外壳型电机的对比及应用  

Comparison and Application of Increased-Safety Motor and Pressurized-Enclosure Motor

作　　者：栾国崴 

机构地区：[1]中国石化工程建设有限公司,北京100101

出　　处：《防爆电机》2014年第5期21-24,共4页Explosion-proof Electric Machine

摘　　要：介绍了增安型和正压外壳型电机的使用特点和适用范围。阐述了这两种电机吹扫系统的原理、配置,并通过具体案例从适用范围、工艺要求、经济性进行对比,分析得出两者在石化装置使用上的特点和区别,为两种防爆电动机在石化装置的合理选用提供了参考。This paper introduces the characteristics and applicable scopes of increasedsafety motor and pressurized-enclosure motor and expounds the principle and configuration of their purging systems. The applicable scope,technological requirement and economy of these two types of motors are compared by specific case,and the characteristics and differences of them used in petrochemical plant are analyzed. It can provide the references for reasonable selection of the two kinds of explosion-proof motors in petrochemical plant.

关 键 词：增安型电动机 正压外壳型电动机 吹扫系统 

分 类 号：TM357[电气工程—电机]