摘要
本文介绍了一种安全稳定的双电源切换电路,除了具有常规的失压和欠压、来电、过流和短路保护外,还具有缺相保护、逆送电保护和故障保护,不会因误操作而导致电源切换事故,现场使用效果良好。
This essay introduces a two safe powers switching circuit,stable working and complete protecting functions,it have functions of under voltage protection,over current protection,short circuit protection,phase absence protection,feed reverse protection and fault protection ect,misoperation would not result in accident,it be applied in location well,It has obtained patent in china.
出处
《科技创新导报》
2010年第20期56-57,共2页
Science and Technology Innovation Herald
关键词
双电源切换电路
工作电源
应急电源
可逆接触器
电气和机械双重互锁
two powers switching circuit
power
emergency power
mechanical interlocking contactor
electromechanical interlocking
