箱(xiang)式變電(dian)站-噴砂磚塊式
1、高壓柜(ju):
高(gao)壓(ya)(ya)配電(dian)(dian)柜(ju)又可稱為高(gao)壓(ya)(ya)開(kai)(kai)(kai)關柜(ju),是指用于電(dian)(dian)力系統發電(dian)(dian)、輸(shu)電(dian)(dian)、配電(dian)(dian)、電(dian)(dian)能轉(zhuan)換和消耗中起通斷、控(kong)制或保護等(deng)作(zuo)用,電(dian)(dian)壓(ya)(ya)等(deng)級在3.6kV~550kV的(de)電(dian)(dian)器(qi)產品(pin),主(zhu)要(yao)包括(kuo)高(gao)壓(ya)(ya)斷路器(qi)、高(gao)壓(ya)(ya)隔離開(kai)(kai)(kai)關與接地開(kai)(kai)(kai)關、高(gao)壓(ya)(ya)負荷開(kai)(kai)(kai)關、高(gao)壓(ya)(ya)自(zi)動重合與分(fen)段器(qi),高(gao)壓(ya)(ya)操(cao)作(zuo)機(ji)構、高(gao)壓(ya)(ya)防爆(bao)配電(dian)(dian)裝置和高(gao)壓(ya)(ya)開(kai)(kai)(kai)關柜(ju)等(deng)幾(ji)大類(lei)。高(gao)壓(ya)(ya)開(kai)(kai)(kai)關制造業是輸(shu)變(bian)電(dian)(dian)設備制造業的(de)重要(yao)組成部分(fen),在整個電(dian)(dian)力工(gong)業中占有非常重要(yao)的(de)地位。
2、高壓計量柜
一般都(dou)裝設專用(yong)的高壓電(dian)能計量(liang)柜,供(gong)電(dian)能計量(liang)用(yong),即所謂(wei)的高供(gong)高計方式
3、變壓器
變(bian)(bian)壓(ya)(ya)器(Transformer)是(shi)利(li)用(yong)(yong)電(dian)磁(ci)感應(ying)的(de)原理來改變(bian)(bian)交流(liu)電(dian)壓(ya)(ya)的(de)裝置,主要構件(jian)是(shi)初(chu)級線圈(quan)、次級線圈(quan)和(he)鐵心(磁(ci)芯)。在電(dian)器設備和(he)無線電(dian)路中,常用(yong)(yong)作升降電(dian)壓(ya)(ya)、匹配(pei)阻抗(kang),安全隔離等(deng)。主要功能有(you):電(dian)壓(ya)(ya)變(bian)(bian)換(huan)、電(dian)流(liu)變(bian)(bian)換(huan)、阻抗(kang)變(bian)(bian)換(huan)、隔離、穩壓(ya)(ya)(磁(ci)飽和(he)變(bian)(bian)壓(ya)(ya)器)等(deng)。按用(yong)(yong)途可以(yi)分為:配(pei)電(dian)變(bian)(bian)壓(ya)(ya)器、電(dian)力變(bian)(bian)壓(ya)(ya)器、全密封變(bian)(bian)壓(ya)(ya)器、組合式變(bian)(bian)壓(ya)(ya)器、干(gan)式變(bian)(bian)壓(ya)(ya)器、油浸式變(bian)(bian)壓(ya)(ya)器、單(dan)相變(bian)(bian)壓(ya)(ya)器、電(dian)爐變(bian)(bian)壓(ya)(ya)器、整流(liu)變(bian)(bian)壓(ya)(ya)器等(deng)
4、低壓進線柜
5、低壓出線柜
6、補償柜
電(dian)力(li)系(xi)統中(zhong)的(de)負載(zai)類型大(da)部分屬于感(gan)性負載(zai),加上用電(dian)企業(ye)普遍廣泛地(di)使(shi)(shi)用電(dian)力(li)電(dian)子設(she)備,使(shi)(shi)電(dian)網(wang)(wang)功(gong)率(lv)因(yin)(yin)數較(jiao)低(di)。較(jiao)低(di)的(de)功(gong)率(lv)因(yin)(yin)數降(jiang)低(di)了(le)設(she)備利(li)(li)用率(lv),增加了(le)供電(dian)投資,損害了(le)電(dian)壓質量,降(jiang)低(di)了(le)設(she)備使(shi)(shi)用壽命,大(da)大(da)增加了(le)線路損耗。為了(le)改善(shan)電(dian)網(wang)(wang)功(gong)率(lv)因(yin)(yin)數低(di)下帶(dai)來的(de)能源浪費和(he)這些(xie)(xie)不利(li)(li)供電(dian)生產(chan)的(de)因(yin)(yin)素(su),必須(xu)使(shi)(shi)電(dian)網(wang)(wang)功(gong)率(lv)因(yin)(yin)數得到有效的(de)提高。顯然(ran)這些(xie)(xie)無功(gong)功(gong)率(lv)如果都要由(you)發電(dian)機提供并遠距(ju)離傳送是不合(he)理(li)(li)的(de),通常也是不可(ke)能的(de)。合(he)理(li)(li)的(de)辦(ban)法就是在需要無功(gong)功(gong)率(lv)的(de)地(di)方產(chan)生無功(gong)功(gong)率(lv),即(ji)增加無功(gong)功(gong)率(lv)補償設(she)備與裝置
7、外殼