煤矿井下防越级跳闸方案  

Scheme of Avoiding Override Trip in Mine Underground

作　　者：史丽萍[1] 赵万云[1] 蒋朝明[1] 曹雪祥[1] 吴晨[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,江苏徐州221008

出　　处：《煤矿安全》2012年第8期115-117,共3页Safety in Coal Mines

摘　　要：根据煤矿井下供电系统的实际情况,提出了一种基于电流纵联差动保护原理的防越级跳闸方案,能够很好的满足井下对可靠性、安全性和连续性的要求。According to the actual situation of mine underground power supply system, this paper proposes a new scheme to avoid over- ride trip based on the current longitudinal differential protection, which can fulfill the requirements of reliability, safety and continuity in underground well.

关 键 词：煤矿供电 越级跳闸 电流纵联差动保护 

分 类 号：TD611.5[矿业工程—矿山机电]