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箱體的主要設備使用家用電器(qi),例如真(zhen)空控制(zhi)柜,干式(shi)變壓器(qi),干式(shi)變壓器(qi),真(zhen)空斷路器(qi)(彈簧操作機構),并(bing)且產品沒(mei)有裸(luo)露的帶電部(bu)件。它是全邊緣結構,可完(wan)全導致(zhi)零電擊事(shi)故。整個站(zhan)可以實現高度安全的無油運行(xing)。第二次,集成到微計算機中的自(zi)動化系統用于實現無人值守的操作。
建議(yi)出于(yu)美(mei)觀原(yuan)因,應使用(yong)鋼(gang)(gang)管(guan)(guan)敷設10 kV電(dian)(dian)纜出口(kou)。變電(dian)(dian)站中的10 kV箱式配電(dian)(dian)站外殼(ke)通常(chang)用(yong)水泥(ni)鋪(pu)成,并(bing)且10 kV線(xian)(xian)路終端通常(chang)在變電(dian)(dian)站壁外10 m。如果(guo)將電(dian)(dian)纜直接埋在地下并(bing)引到電(dian)(dian)線(xian)(xian)桿上,則很難進行(xing)維護。因此,應將10 kV電(dian)(dian)纜插座(zuo)穿過(guo)鋼(gang)(gang)管(guan)(guan),以(yi)使用(yong)戶易于(yu)維護。如果(guo)10 kV線(xian)(xian)路的連接極(ji)遠離變電(dian)(dian)站,則必須通過(guo)鋼(gang)(gang)管(guan)(guan)將10 kV電(dian)(dian)纜的出線(xian)(xian)口(kou)從機(ji)殼(ke)鋪(pu)設到變電(dian)(dian)站的墻(qiang)壁。在電(dian)(dian)纜出口(kou)末端的線(xian)(xian)路接線(xian)(xian)柱上安裝了新的電(dian)(dian)涌保護器,以(yi)避免過(guo)電(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。生產廠家建議它還可以安裝在35 kV設備(bei),10 kV設備(bei)的室外以及控(kong)制和保(bao)護系統箱(xiang)體(ti)(ti)。這種組合(he)方法特別適用(yong)于(yu)將(jiang)舊站點轉(zhuan)換為農村電(dian)(dian)(dian)(dian)網的轉(zhuan)換,即原始的35 kV設備(bei)不動,僅(jin)安裝10 kV配電(dian)(dian)(dian)(dian)箱(xiang)。可以滿(man)足無(wu)人(ren)(ren)值守的要求。如(ru)果電(dian)(dian)(dian)(dian)氣設備(bei)在運(yun)行過(guo)程中被接(jie)地(di)(di)阻(zu)塞,則電(dian)(dian)(dian)(dian)流將(jiang)通(tong)過(guo)接(jie)地(di)(di)體(ti)(ti)流入地(di)(di)下(xia)。實驗表明,穿(chuan)(chuan)過(guo)地(di)(di)球的電(dian)(dian)(dian)(dian)位為零,因此穿(chuan)(chuan)過(guo)地(di)(di)球的電(dian)(dian)(dian)(dian)位為零。因此,在施加電(dian)(dian)(dian)(dian)能時要使用(yong)手動操作,以防止所有接(jie)觸體(ti)(ti)接(jie)地(di)(di)。無(wu)論環境(jing)如(ru)何,電(dian)(dian)(dian)(dian)勢均為零,并且用(yong)電(dian)(dian)(dian)(dian)安全(quan)。因此,接(jie)地(di)(di)的主要作用(yong)是(shi)保(bao)護人(ren)(ren)員和設備(bei)的安全(quan)。