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金泉電力談(tan)到(dao)箱式變(bian)電(dian)(dian)站(zhan)，又(you)叫預(yu)(yu)裝式變(bian)電(dian)(dian)所或預(yu)(yu)裝式變(bian)電(dian)(dian)站(zhan)。是(shi)一(yi)種(zhong)高(gao)壓(ya)開關設(she)備(bei)、配(pei)(pei)(pei)(pei)電(dian)(dian)變(bian)壓(ya)器(qi)和(he)低壓(ya)配(pei)(pei)(pei)(pei)電(dian)(dian)裝置，按一(yi)定(ding)接線方案排成(cheng)一(yi)體的(de)(de)工廠預(yu)(yu)制戶內、戶外(wai)緊湊式配(pei)(pei)(pei)(pei)電(dian)(dian)設(she)備(bei)，即將變(bian)壓(ya)器(qi)降壓(ya)、低壓(ya)配(pei)(pei)(pei)(pei)電(dian)(dian)等功能有機地組合在一(yi)起，安裝在一(yi)個防(fang)(fang)潮、防(fang)(fang)銹(xiu)、防(fang)(fang)塵、防(fang)(fang)鼠、防(fang)(fang)火、防(fang)(fang)盜、隔熱、全(quan)封(feng)閉、可移動的(de)(de)鋼結(jie)構(gou)箱，特別適(shi)(shi)用于城(cheng)網建(jian)設(she)與改造(zao)，是(shi)繼(ji)土(tu)建(jian)變(bian)電(dian)(dian)站(zhan)之(zhi)后(hou)崛起的(de)(de)一(yi)種(zhong)嶄新的(de)(de)變(bian)電(dian)(dian)站(zhan)。箱式變(bian)電(dian)(dian)站(zhan)適(shi)(shi)用于礦山、工廠企業、油氣田和(he)風力發電(dian)(dian)站(zhan)，它替代了原有的(de)(de)土(tu)建(jian)配(pei)(pei)(pei)(pei)電(dian)(dian)房，配(pei)(pei)(pei)(pei)電(dian)(dian)站(zhan)，成(cheng)為新型的(de)(de)成(cheng)套(tao)變(bian)配(pei)(pei)(pei)(pei)電(dian)(dian)裝置。

箱式變(bian)電站（簡(jian)稱箱變(bian)）是一種把高(gao)壓(ya)開關設(she)備配(pei)(pei)電變(bian)壓(ya)器，低壓(ya)開關設(she)備，電能計量設(she)備和(he)無(wu)功補償裝置(zhi)等按一定的接線方案組合在一個或幾個箱體內(nei)的緊(jin)湊型(xing)成(cheng)套配(pei)(pei)電裝置(zhi)。它適用于額定電壓(ya)10/0.4KV三(san)相交流系(xi)統(tong)中，作為線路(lu)和(he)分配(pei)(pei)電能之(zhi)用。

與同容量的歐式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)相(xiang)比較，美式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)的結(jie)(jie)構更(geng)為(wei)合理。由于歐式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)是(shi)將(jiang)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)(qi)及(ji)普通的高(gao)(gao)壓(ya)(ya)電器(qi)(qi)(qi)(qi)設備(bei)裝于同一個金屬(shu)外殼箱(xiang)(xiang)(xiang)(xiang)(xiang)體中(zhong)，變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)(qi)室(shi)溫(wen)很高(gao)(gao)，引起散(san)熱(re)困(kun)難，影響(xiang)出力(li)；另一方(fang)面(mian)(mian)在箱(xiang)(xiang)(xiang)(xiang)(xiang)體中(zhong)采用(yong)普通的高(gao)(gao)壓(ya)(ya)負荷開(kai)關(guan)和熔(rong)斷(duan)器(qi)(qi)(qi)(qi)、低(di)壓(ya)(ya)開(kai)關(guan)柜，所以(yi)歐式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)體積較大。美式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)與歐式(shi)(shi)(shi)(shi)箱(xiang)(xiang)(xiang)(xiang)(xiang)變(bian)(bian)(bian)結(jie)(jie)構上(shang)不一樣。從布(bu)置(zhi)上(shang)看，其低(di)壓(ya)(ya)室(shi)、變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)(qi)室(shi)、高(gao)(gao)壓(ya)(ya)室(shi)不是(shi)目字型布(bu)置(zhi)，而是(shi)品字型布(bu)置(zhi)。從結(jie)(jie)構上(shang)看，這種箱(xiang)(xiang)(xiang)(xiang)(xiang)式(shi)(shi)(shi)(shi)變(bian)(bian)(bian)分(fen)為(wei)前、后兩部(bu)分(fen)前面(mian)(mian)為(wei)高(gao)(gao)、低(di)壓(ya)(ya)操(cao)作(zuo)間隔，操(cao)作(zuo)間隔內包(bao)括高(gao)(gao)低(di)壓(ya)(ya)接線端子(zi)，負荷開(kai)關(guan)操(cao)作(zuo)柄，無載(zai)調(diao)壓(ya)(ya)分(fen)節(jie)開(kai)關(guan)，插入式(shi)(shi)(shi)(shi)熔(rong)斷(duan)器(qi)(qi)(qi)(qi)，油(you)(you)位計等；后部(bu)為(wei)注(zhu)油(you)(you)箱(xiang)(xiang)(xiang)(xiang)(xiang)及(ji)散(san)熱(re)片(pian)，將(jiang)變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)(qi)繞組、鐵芯、高(gao)(gao)壓(ya)(ya)負荷開(kai)關(guan)和熔(rong)斷(duan)器(qi)(qi)(qi)(qi)放入變(bian)(bian)(bian)壓(ya)(ya)器(qi)(qi)(qi)(qi)油(you)(you)箱(xiang)(xiang)(xiang)(xiang)(xiang)中(zhong)。

金泉(quan)電力了(le)解到避(bi)雷器也采(cai)用油(you)(you)(you)(you)(you)浸式(shi)(shi)(shi)金屬(shu)氧化(hua)物避(bi)雷器。變(bian)(bian)(bian)壓(ya)器取消油(you)(you)(you)(you)(you)枕，采(cai)取油(you)(you)(you)(you)(you)加氣(qi)(qi)隙(xi)體積恒定(ding)原則設計密封式(shi)(shi)(shi)油(you)(you)(you)(you)(you)箱(xiang)(xiang)(xiang)，油(you)(you)(you)(you)(you)箱(xiang)(xiang)(xiang)及散(san)(san)熱(re)器暴露在空氣(qi)(qi)中，沒(mei)有(you)散(san)(san)熱(re)困難。低壓(ya)斷(duan)(duan)(duan)(duan)路器采(cai)用塑殼斷(duan)(duan)(duan)(duan)路器作為(wei)主(zhu)斷(duan)(duan)(duan)(duan)路器及出線斷(duan)(duan)(duan)(duan)路器。由(you)于(yu)結構簡化(hua)，這種箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)變(bian)(bian)(bian)電(dian)(dian)站的(de)占(zhan)地面積和(he)體積大(da)大(da)減小(xiao)，由(you)于(yu)其體積很小(xiao)再加上只是一側(ce)開(kai)(kai)門，其所需占(zhan)地面積僅是歐式(shi)(shi)(shi)箱(xiang)(xiang)(xiang)變(bian)(bian)(bian)的(de)1/4，體積僅為(wei)同容量歐式(shi)(shi)(shi)箱(xiang)(xiang)(xiang)變(bian)(bian)(bian)的(de)1/5-1/3。美式(shi)(shi)(shi)箱(xiang)(xiang)(xiang)變(bian)(bian)(bian)高壓(ya)側(ce)采(cai)用熔斷(duan)(duan)(duan)(duan)器保(bao)(bao)(bao)護(hu)，低壓(ya)側(ce)采(cai)用塑殼自(zi)動空氣(qi)(qi)斷(duan)(duan)(duan)(duan)路器保(bao)(bao)(bao)護(hu)，與(yu)10kV配變(bian)(bian)(bian)保(bao)(bao)(bao)護(hu)方(fang)式(shi)(shi)(shi)相同。高壓(ya)熔斷(duan)(duan)(duan)(duan)器保(bao)(bao)(bao)護(hu)變(bian)(bian)(bian)壓(ya)器內部故(gu)障，自(zi)動空氣(qi)(qi)斷(duan)(duan)(duan)(duan)路器保(bao)(bao)(bao)護(hu)低壓(ya)側(ce)線路的(de)過電(dian)(dian)流(liu)、短路、欠電(dian)(dian)壓(ya)故(gu)障。美式(shi)(shi)(shi)箱(xiang)(xiang)(xiang)變(bian)(bian)(bian)存(cun)在的(de)缺(que)點(dian)。由(you)于(yu)負荷開(kai)(kai)關浸在油(you)(you)(you)(you)(you)里，油(you)(you)(you)(you)(you)被電(dian)(dian)弧碳(tan)化(hua)、分解，產生乙炔等有(you)害氣(qi)(qi)體，使得性(xing)能下降，曾發生事故(gu)。看不到(dao)明顯(xian)斷(duan)(duan)(duan)(duan)開(kai)(kai)點(dian)，檢修(xiu)不方(fang)便。