摘要
本文介绍了万用继电器的概念 ,原理 ,结构及在变电站自动化中的作用及继电器的发展历史。
This article mainly introduces the concept,principles and structure of Universal Kelay as well as the applications functions and Roles of Univcrsal Relay when used in substation automation sysrem.It also introduces the development history of Universal Relay
出处
《自动化技术与应用》
2002年第4期69-70,共2页
Techniques of Automation and Applications
