箱式變電站是(shi)一種集變(bian)(bian)壓(ya)器(qi)、開(kai)關設備、控制設備和(he)其(qi)他(ta)輔助設備于一體(ti)的小型變(bian)(bian)電(dian)站,具有(you)體(ti)積(ji)小、結構緊湊、運(yun)輸(shu)方便等特點。其(qi)主要原理是(shi)將高壓(ya)電(dian)能(neng)轉換為低壓(ya)電(dian)能(neng),并通(tong)過開(kai)關設備和(he)控制設備進行電(dian)力配電(dian)和(he)保護。
箱式變(bian)電站的主要原理如下:
變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器原理:箱式變(bian)(bian)電站(zhan)內部配備變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器,主要功能(neng)是將(jiang)進入變(bian)(bian)電站(zhan)的高壓(ya)(ya)(ya)(ya)(ya)電能(neng)轉換為(wei)所(suo)需要的低(di)壓(ya)(ya)(ya)(ya)(ya)電能(neng)。變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器由高壓(ya)(ya)(ya)(ya)(ya)繞組(zu)(zu)和(he)(he)低(di)壓(ya)(ya)(ya)(ya)(ya)繞組(zu)(zu)組(zu)(zu)成,通過(guo)磁感應原理將(jiang)高壓(ya)(ya)(ya)(ya)(ya)電能(neng)轉換為(wei)低(di)壓(ya)(ya)(ya)(ya)(ya)電能(neng)。變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器還可以(yi)承擔電力配電和(he)(he)保護(hu)的功能(neng)。
開(kai)(kai)(kai)關(guan)設(she)備(bei)原理:箱(xiang)式變(bian)電站內部(bu)配(pei)備(bei)開(kai)(kai)(kai)關(guan)設(she)備(bei),主要功(gong)能(neng)是實現電路(lu)的(de)(de)開(kai)(kai)(kai)關(guan)控(kong)制(zhi)(zhi),包括開(kai)(kai)(kai)關(guan)的(de)(de)合(he)閘和分閘操作。開(kai)(kai)(kai)關(guan)設(she)備(bei)采用可靠的(de)(de)機械結構和電氣控(kong)制(zhi)(zhi)系統,通(tong)過控(kong)制(zhi)(zhi)開(kai)(kai)(kai)關(guan)的(de)(de)操作,實現電力系統的(de)(de)投入和斷(duan)開(kai)(kai)(kai)。
控(kong)(kong)制設備原理:箱式變(bian)(bian)電(dian)(dian)站內部配備控(kong)(kong)制設備,主要功能是對(dui)電(dian)(dian)力系(xi)統進行監(jian)控(kong)(kong)和(he)控(kong)(kong)制。控(kong)(kong)制設備可以(yi)實現對(dui)變(bian)(bian)電(dian)(dian)站各(ge)個(ge)設備的狀態檢測和(he)報警,以(yi)及對(dui)系(xi)統的遠程監(jian)控(kong)(kong)和(he)操(cao)作(zuo)。控(kong)(kong)制設備還可以(yi)實現對(dui)電(dian)(dian)力系(xi)統的自動化控(kong)(kong)制和(he)智能化管理。
輔助(zhu)設(she)備(bei)原(yuan)理:箱式變(bian)電站還配備(bei)了一(yi)些(xie)(xie)其他輔助(zhu)設(she)備(bei),包括(kuo)冷卻裝置、通風裝置、照明設(she)備(bei)等。這些(xie)(xie)設(she)備(bei)的(de)主要功能是保證箱式變(bian)電站的(de)正常運行和工作環境的(de)安全。
總(zong)之,箱式變(bian)(bian)電(dian)站的原理是將進入變(bian)(bian)電(dian)站的高(gao)壓(ya)電(dian)能(neng)通(tong)(tong)過變(bian)(bian)壓(ya)器轉換(huan)為低(di)壓(ya)電(dian)能(neng),通(tong)(tong)過開關設(she)備(bei)和控制設(she)備(bei)進行電(dian)力(li)配電(dian)和保護。輔(fu)助設(she)備(bei)則保證變(bian)(bian)電(dian)站的正常運行和工作環境的安全。