矿井移动变电站低压侧漏电保护  

Leakage protection at low voltage side of mine mobile substation

作　　者：方章英[1,2] 陈中华[3] 张立[1,2] 

机构地区：[1]安徽矿业职业技术学院机电工程系,安徽淮北235000 [2]安徽淮北煤电技师学院机电工程系,安徽淮北235000 [3]辽宁工程技术大学电气控制与工程学院,辽宁葫芦岛125105

出　　处：《辽宁工程技术大学学报（自然科学版）》2011年第2期284-287,共4页Journal of Liaoning Technical University (Natural Science)

基　　金：国家自然科学基金资助项目(59077040)

摘　　要：为了降低由供电问题造成的煤矿事故当中70%～80%的瓦斯事故,以矿井移动变电站低压侧漏电保护为研究对象,从研究、设计到检测过程详细分析了矿井移动变电站低压侧附加直流电源保护过程,对变电站起动前、后进行编程控制运用新设计、新控制方法。通过现场实验研究表明:系统整体性能优良、操作简便,运行稳定,能达到目前对煤矿移动变电综合保护的能力,对降低煤矿瓦斯事故具有保障作用。In order to reduce the coal mine accidents caused by power supply problems which account for 70% to 80% of the gas accident,this study investigated the leakage protection at low voltage side of mine mobile power substation,and analyzed the DC power supply protection process at low voltage side of mine mobile substation in terms of design and detection process.New design and control method were applied in programmed control before and after starting the substation.The field experiments show the excellent system performance,simple in operation,and stable in operation.It can meet the requirements for mobile substation protection.

关 键 词：移动变电站 瓦斯事故 漏电 保护 监控 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]