
箱式變電站是由高壓開關設備、變壓器、低壓開關設備和功率補償裝置等組成在一個或幾個箱體內構成緊湊型的變配電成套裝置。
它(ta)主要用于(yu)替(ti)代(dai)傳統的土建工程(cheng)型配(pei)(pei)電(dian)站,完成變(bian)配(pei)(pei)電(dian)功能。
現階(jie)段,它關鍵(jian)用于(yu)3-35KV配電系統客(ke)戶。
電(dian)(dian)(dian)(dian)力(li)線路進到箱式變(bian)(bian)電(dian)(dian)(dian)(dian)站(zhan),通過高壓(ya)斷路器后,由變(bian)(bian)電(dian)(dian)(dian)(dian)器變(bian)(bian)成低電(dian)(dian)(dian)(dian)壓(ya),再經底(di)壓(ya)電(dian)(dian)(dian)(dian)源(yuan)(yuan)總開關和環路電(dian)(dian)(dian)(dian)源(yuan)(yuan)開關到較終用電(dian)(dian)(dian)(dian)量設備。
箱式變壓器的規格型號較多,實際可歸納為:
1)從布線計(ji)劃方案分(fen):可分(fen)為(wei)單端(duan)(duan)回路(lu)(lu),二端(duan)(duan)回路(lu)(lu),雙回路(lu)(lu)回路(lu)(lu)三(san)種計(ji)劃方案。
2)按運用標(biao)準分(fen):可分(fen)為室(shi)內和室(shi)外(wai)二種形(xing)式(shi)。
3)按構造分(fen):可分(fen)為一(yi)體式(shi)和分(fen)離式(shi)。一(yi)體式(shi)關(guan)鍵用(yong)于(yu)室(shi)外,分(fen)離式(shi)關(guan)鍵用(yong)于(yu)室(shi)內。
4)從外(wai)殼上分:可分為鋼板外(wai)殼、復合板外(wai)殼、鋁合金外(wai)殼等。