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箱體的主要設備使(shi)用(yong)家用(yong)電器(qi),例(li)如真空(kong)控制柜,干式變壓器(qi),干式變壓器(qi),真空(kong)斷路器(qi)(彈(dan)簧操作(zuo)機構),并且(qie)產品沒有裸露的帶電部件。它是全(quan)(quan)邊緣結構,可(ke)完全(quan)(quan)導致零電擊事故。整個(ge)站(zhan)可(ke)以實現(xian)高度安(an)全(quan)(quan)的無油運行(xing)。第(di)二次,集成到微計算機中的自動(dong)化系統(tong)用(yong)于實現(xian)無人值(zhi)守的操作(zuo)。
建議出(chu)于(yu)美觀(guan)原(yuan)因,應使(shi)用(yong)(yong)鋼(gang)(gang)管敷設(she)10 kV電(dian)(dian)(dian)纜(lan)出(chu)口(kou)。變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)中的10 kV箱式配(pei)電(dian)(dian)(dian)站(zhan)(zhan)外殼通常(chang)用(yong)(yong)水泥鋪成(cheng),并且(qie)10 kV線(xian)路終端通常(chang)在(zai)(zai)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)壁(bi)外10 m。如果(guo)將(jiang)(jiang)電(dian)(dian)(dian)纜(lan)直接埋在(zai)(zai)地(di)下并引到(dao)(dao)電(dian)(dian)(dian)線(xian)桿上(shang),則很難進行維護(hu)。因此,應將(jiang)(jiang)10 kV電(dian)(dian)(dian)纜(lan)插座穿過(guo)鋼(gang)(gang)管,以使(shi)用(yong)(yong)戶(hu)易于(yu)維護(hu)。如果(guo)10 kV線(xian)路的連(lian)接極遠離變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan),則必須通過(guo)鋼(gang)(gang)管將(jiang)(jiang)10 kV電(dian)(dian)(dian)纜(lan)的出(chu)線(xian)口(kou)從機殼鋪設(she)到(dao)(dao)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)的墻壁(bi)。在(zai)(zai)電(dian)(dian)(dian)纜(lan)出(chu)口(kou)末(mo)端的線(xian)路接線(xian)柱上(shang)安裝(zhuang)了新的電(dian)(dian)(dian)涌保護(hu)器(qi),以避免過(guo)電(dian)(dian)(dian)壓。
由于箱式變電站的緊湊結構,每個箱體代表一個獨立的系統,使組合方法變得靈活且可互換。我們可以使用所有箱式設備,即在所有箱體安裝35 kV和10 kV設備,以形成一個完整的箱式變電站。生產廠家(jia)建(jian)議(yi)它還可(ke)以安(an)裝在35 kV設備(bei),10 kV設備(bei)的室外以及控(kong)制和保(bao)護(hu)系統箱(xiang)體(ti)(ti)。這種(zhong)組合(he)方(fang)法特別適用(yong)(yong)于將舊站點(dian)轉換為農村電(dian)(dian)網的轉換,即原始(shi)的35 kV設備(bei)不動,僅安(an)裝10 kV配電(dian)(dian)箱(xiang)。可(ke)以滿足無(wu)人值守的要求。如果電(dian)(dian)氣設備(bei)在運行過(guo)(guo)(guo)程中被接地阻塞(sai),則電(dian)(dian)流將通過(guo)(guo)(guo)接地體(ti)(ti)流入地下。實(shi)驗(yan)表明(ming),穿過(guo)(guo)(guo)地球(qiu)的電(dian)(dian)位(wei)為零,因(yin)此穿過(guo)(guo)(guo)地球(qiu)的電(dian)(dian)位(wei)為零。因(yin)此,在施加(jia)電(dian)(dian)能(neng)時要使用(yong)(yong)手動操作(zuo),以防止所有接觸體(ti)(ti)接地。無(wu)論環境如何,電(dian)(dian)勢均為零,并且用(yong)(yong)電(dian)(dian)安(an)全。因(yin)此,接地的主要作(zuo)用(yong)(yong)是保(bao)護(hu)人員和設備(bei)的安(an)全。