PLC在煤矿井下低压馈电系统中应用  

Application of PLC in Low Voltage Supply and Distribution System of Underground Mine

作　　者：宋宏[1] 刘德君[1] 弭洪涛[1] 

机构地区：[1]北华大学电气工程学院,吉林吉林132021

出　　处：《煤矿机械》2008年第11期153-155,共3页Coal Mine Machinery

摘　　要：介绍一种应用于煤矿井下低压供配电系统的新型隔爆馈电开关,该智能馈电开关保护器以PLC为核心,设置了过载保护、短路保护、漏电保护、过压和欠压保护,而且具有人机对话和通信功能,该装置可大大提高煤矿供电系统的安全可靠性。A kind of new mine flameproof feed switch used in low voltage supply and distribution system of underground mine is introduced. The intelligent protector of flameproof feed switch is based on programmable controller. It has overload protection, short - circuit protection, leakage protection, low voltage protection and over voltage protection. Man - machine conversation and communication function. The device improves the security of the colliery power distribution system greatly.

关 键 词：可编程控制器 漏电保护 低压馈电开关 

分 类 号：TD61[矿业工程—矿山机电]