箱式變電站是一種集(ji)變壓器、開關設(she)備、控制(zhi)設(she)備和其(qi)他(ta)輔助(zhu)設(she)備于一體的小(xiao)(xiao)型變電(dian)(dian)站,具有體積小(xiao)(xiao)、結(jie)構(gou)緊湊、運輸方便等特點。其(qi)主要原理(li)是將高(gao)壓電(dian)(dian)能轉換為低壓電(dian)(dian)能,并(bing)通(tong)過開關設(she)備和控制(zhi)設(she)備進行(xing)電(dian)(dian)力配(pei)電(dian)(dian)和保護。
箱(xiang)式變電站的(de)主要原理如(ru)下:
變(bian)壓(ya)(ya)器原理(li):箱式變(bian)電(dian)站(zhan)內部(bu)配備變(bian)壓(ya)(ya)器,主(zhu)要功能(neng)是將進入變(bian)電(dian)站(zhan)的(de)高(gao)壓(ya)(ya)電(dian)能(neng)轉換為所需要的(de)低壓(ya)(ya)電(dian)能(neng)。變(bian)壓(ya)(ya)器由高(gao)壓(ya)(ya)繞組(zu)(zu)和低壓(ya)(ya)繞組(zu)(zu)組(zu)(zu)成,通過磁感應(ying)原理(li)將高(gao)壓(ya)(ya)電(dian)能(neng)轉換為低壓(ya)(ya)電(dian)能(neng)。變(bian)壓(ya)(ya)器還(huan)可以承(cheng)擔電(dian)力配電(dian)和保(bao)護的(de)功能(neng)。
開關設備(bei)原理:箱(xiang)式變(bian)電(dian)站內部配(pei)備(bei)開關設備(bei),主要功能(neng)是實現(xian)電(dian)路的(de)(de)開關控(kong)制(zhi)(zhi),包括(kuo)開關的(de)(de)合(he)閘和分(fen)閘操(cao)作。開關設備(bei)采用可靠的(de)(de)機械結構和電(dian)氣控(kong)制(zhi)(zhi)系統(tong),通過控(kong)制(zhi)(zhi)開關的(de)(de)操(cao)作,實現(xian)電(dian)力系統(tong)的(de)(de)投入和斷開。
控(kong)(kong)(kong)制(zhi)設(she)備(bei)(bei)原理(li):箱式變電(dian)站內部配備(bei)(bei)控(kong)(kong)(kong)制(zhi)設(she)備(bei)(bei),主要(yao)功能(neng)是對(dui)(dui)電(dian)力系(xi)統(tong)進行監控(kong)(kong)(kong)和控(kong)(kong)(kong)制(zhi)。控(kong)(kong)(kong)制(zhi)設(she)備(bei)(bei)可以實現對(dui)(dui)變電(dian)站各個(ge)設(she)備(bei)(bei)的(de)狀態(tai)檢測(ce)和報(bao)警(jing),以及對(dui)(dui)系(xi)統(tong)的(de)遠程監控(kong)(kong)(kong)和操(cao)作。控(kong)(kong)(kong)制(zhi)設(she)備(bei)(bei)還可以實現對(dui)(dui)電(dian)力系(xi)統(tong)的(de)自(zi)動化控(kong)(kong)(kong)制(zhi)和智能(neng)化管理(li)。
輔(fu)助設備(bei)原理:箱式變電(dian)站還配備(bei)了一(yi)些其他輔(fu)助設備(bei),包(bao)括冷卻裝置、通風裝置、照明設備(bei)等。這些設備(bei)的主要功能(neng)是(shi)保證箱式變電(dian)站的正常運行和工作環境的安(an)全(quan)。
總之,箱式變(bian)電(dian)站的(de)原理是將進入(ru)變(bian)電(dian)站的(de)高壓(ya)電(dian)能(neng)(neng)通過變(bian)壓(ya)器轉換為低壓(ya)電(dian)能(neng)(neng),通過開關設備和(he)控制設備進行(xing)電(dian)力(li)配電(dian)和(he)保護。輔助設備則(ze)保證(zheng)變(bian)電(dian)站的(de)正常運行(xing)和(he)工作環境的(de)安全。