大連配電箱指除(chu)安裝面外，其它所有側(ce)面都被封閉(bi)起來的一(yi)種低壓開關柜(ju)。這種柜(ju)子的開關、保(bao)護(hu)和監測(ce)控制(zhi)等電氣元件，均(jun)安裝在一(yi)個(ge)用(yong)鋼(gang)或絕緣材料制(zhi)成的封閉(bi)外殼(ke)內，可靠墻(qiang)或離(li)墻(qiang)安裝。

    在(zai)大(da)連配電(dian)(dian)(dian)(dian)箱(xiang)箱(xiang)式房(fang)的(de)應用中，配電(dian)(dian)(dian)(dian)箱(xiang)的(de)安(an)(an)裝(zhuang)(zhuang)在(zai)很多時候都會(hui)用到(dao)，在(zai)安(an)(an)裝(zhuang)(zhuang)前(qian)，我(wo)們(men)首(shou)先需(xu)要(yao)確(que)認，我(wo)們(men)在(zai)房(fang)屋上(shang)安(an)(an)裝(zhuang)(zhuang)的(de)配電(dian)(dian)(dian)(dian)箱(xiang)是動(dong)力(li)(li)配電(dian)(dian)(dian)(dian)箱(xiang)還是普(pu)通(tong)照明(ming)配電(dian)(dian)(dian)(dian)箱(xiang)，這(zhe)個我(wo)們(men)首(shou)先要(yao)確(que)認清楚，若在(zai)房(fang)屋上(shang)安(an)(an)裝(zhuang)(zhuang)的(de)是普(pu)通(tong)照明(ming)配電(dian)(dian)(dian)(dian)箱(xiang)，則可以(yi)直(zhi)接(jie)裝(zhuang)(zhuang)在(zai)房(fang)子墻體(ti)上(shang)，若在(zai)箱(xiang)式房(fang)上(shang)安(an)(an)裝(zhuang)(zhuang)的(de)是動(dong)力(li)(li)配電(dian)(dian)(dian)(dian)箱(xiang)的(de)話，需(xu)要(yao)再配電(dian)(dian)(dian)(dian)箱(xiang)和房(fang)子之間(jian)加上(shang)絕緣墊，并且(qie)電(dian)(dian)(dian)(dian)箱(xiang)和大(da)地(di)要(yao)有直(zhi)接(jie)連接(jie)的(de)地(di)線。

    大(da)連配(pei)電(dian)箱發(fa)電(dian)機組啟動后，應利用(yong)動力屏升速開(kai)關(guan)手動緩慢(man)加速，直(zhi)到發(fa)電(dian)機進(jin)入正常工作狀態，電(dian)壓(ya)與頻率達到規定值，方(fang)可(ke)合閘送電(dian)。配(pei)電(dian)板(ban)進(jin)入配(pei)電(dian)狀態后，不得隨(sui)意拔(ba)動動力屏升速開(kai)關(guan)，空氣斷(duan)路器的閉鎖開(kai)關(guan)非緊(jin)急(ji)情況(kuang)不得使用(yong)。發(fa)電(dian)機并(bing)(bing)聯(lian)運行要(yao)(yao)嚴格(ge)按照并(bing)(bing)車條(tiao)件要(yao)(yao)求(qiu)與規定進(jin)行操(cao)作，要(yao)(yao)注意出現逆(ni)功(gong)率（逆(ni)流(liu)）和并(bing)(bing)車失敗等(deng)現象(xiang)。停(ting)機時應先(xian)切斷(duan)發(fa)電(dian)機負荷，然后空載停(ting)車，不得帶負荷直(zhi)接停(ting)機。