摘要
介绍以电子式热继电器取代双金属片式热继电器的新型电动机综合保护器的性能特点以及安装接线方法。这种专利产品具有多项保护功能，在长期使用中可保持动作灵敏可靠。
The article introduces property and installation of new motor general protector with electronic re- lay substituting for double metal plate relay. This patent product has many protective functions specially on sensitivity and reliability during long working period.
出处
《石油工程建设》
1999年第3期48-50,共3页
Petroleum Engineering Construction
关键词
电动机
保护设备
性能
安装
JRD22型
Electric motor, Protections Equipment, Performance, Mounting, Method
