矿井主扇风机欠压保护的分析及改造  

Analysis and Transformation of Protection to Main Fan Air Blower Undervoltage of Mine

作　　者：张会娜[1] 王立亚[1] 

机构地区：[1]平顶山工业职业技术学院,河南平顶山467001

出　　处：《煤矿机械》2010年第5期163-164,共2页Coal Mine Machinery

摘　　要：矿井主扇风机能否可靠运行,对煤矿的安全生产起着至关重要的作用。对矿井主扇风机的欠压保护现状进行了分析,提出了改造方案,闸述了改造原理及使用情况。wheather the main fan air blowe of the mine could run reliably is important to the safe production of the mine. This article makes a analysis to the present situation of the protection to the main fan air blower undervoltage of the mine, proposes a transformation movement plan and states transformation principle and usage situation.

关 键 词：欠压保护 电压波动 时间继电器 开关跳闸 

分 类 号：TD441[矿业工程—矿山机电]