箱式(shi)变(bian)(bian)电站(zhan)(zhan)又称户外成套变(bian)(bian)电站(zhan)(zhan)，也称作(zuo)组(zu)合式(shi)变(bian)(bian)电站(zhan)(zhan)，因其(qi)具有组(zu)合灵活、便(bian)于(yu)(yu)(yu)运输迁(qian)移、安装方便(bian)、施工周期(qi)短、运行(xing)费用(yong)低、占地面积(ji)小(xiao)、无污(wu)染、免维护等优点，受到广泛重视。农网城网建设(改造(zao))中，被广泛应用(yong)于(yu)(yu)(yu)城区、农村10～110kV中小(xiao)型(xing)变(bian)(bian)(配(pei))电所、厂(chang)矿及(ji)流动(dong)作(zuo)业用(yong)变(bian)(bian)电所的建设与改造(zao)，因其(qi)易于(yu)(yu)(yu)深(shen)入负荷中心，减(jian)少供电半(ban)径，提高(gao)末端电压质量，被誉为21世纪变(bian)(bian)电所建设的目(mu)标模式(shi)。
金(jin)属封闭式铠装移开(kai)(kai)(kai)式高(gao)压开(kai)(kai)(kai)关(guan)柜设备，系三相交流50Hz的(de)(de)户内成套配(pei)电(dian)(dian)(dian)(dian)装置，用(yong)(yong)于(yu)(yu)接(jie)(jie)受和分配(pei)3.6-12千伏的(de)(de)网络(luo)电(dian)(dian)(dian)(dian)能(neng)并对电(dian)(dian)(dian)(dian)路(lu)实(shi)行(xing)控制(zhi)保(bao)护几监(jian)测。主(zhu)要用(yong)(yong)于(yu)(yu)发(fa)电(dian)(dian)(dian)(dian)厂、中小型(xing)发(fa)电(dian)(dian)(dian)(dian)机(ji)送(song)电(dian)(dian)(dian)(dian)、工矿企事业配(pei)电(dian)(dian)(dian)(dian)以及电(dian)(dian)(dian)(dian)力系统的(de)(de)二次变电(dian)(dian)(dian)(dian)所的(de)(de)受电(dian)(dian)(dian)(dian)、送(song)电(dian)(dian)(dian)(dian)及大型(xing)高(gao)压电(dian)(dian)(dian)(dian)动机(ji)起(qi)动等，实(shi)行(xing)控制(zhi)保(bao)护、监(jian)测之用(yong)(yong)。具(ju)有防(fang)止(zhi)误操作断路(lu)器，防(fang)止(zhi)带(dai)电(dian)(dian)(dian)(dian)负(fu)荷推拿手车，防(fang)止(zhi)带(dai)电(dian)(dian)(dian)(dian)关(guan)合地(di)开(kai)(kai)(kai)关(guan)，防(fang)止(zhi)接(jie)(jie)地(di)开(kai)(kai)(kai)关(guan)在接(jie)(jie)地(di)外置送(song)电(dian)(dian)(dian)(dian)和防(fang)止(zhi)误入带(dai)电(dian)(dian)(dian)(dian)间(jian)隔(ge)，简(jian)称“五防(fang)”功能(neng)。
适用于三相交(jiao)流50Hz、额定(ding)工作(zuo)电(dian)(dian)压为400V（690V）、额定(ding)电(dian)(dian)流为4000A及以下的(de)发、供电(dian)(dian)系统，作(zuo)为动力、配(pei)电(dian)(dian)和电(dian)(dian)动机集中控制、电(dian)(dian)容(rong)补偿之用。广泛应用于发电(dian)(dian)厂、石(shi)油、化(hua)(hua)工、冶(ye)金(jin)、纺织、高层建(jian)筑等场所(suo)，也可用在大型发电(dian)(dian)厂、石(shi)化(hua)(hua)系统等自动化(hua)(hua)程度高，要求与计算机接口的(de)场所(suo)。
适合于工业与民(min)用(yong)建筑中(zhong)作交(jiao)流频率(lv)为50Hz、额(e)定(ding)电(dian)压(ya)380V及以下、三相(xiang)四线(xian)(xian)、三相(xiang)五线(xian)(xian)电(dian)力系统(tong)的动力配电(dian)、照(zhao)明配电(dian)和电(dian)动机控制用(yong)。
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