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箱體的主(zhu)要設(she)備使用(yong)家(jia)用(yong)電器(qi),例如真空控(kong)制柜,干(gan)式變壓(ya)器(qi),干(gan)式變壓(ya)器(qi),真空斷路器(qi)(彈簧操(cao)作機構),并且產(chan)品沒有裸露的帶電部件(jian)。它是全(quan)邊緣結構,可完全(quan)導致零電擊事故(gu)。整(zheng)個站可以(yi)實現高度安全(quan)的無油運行(xing)。第二次,集(ji)成到微(wei)計(ji)算機中的自動(dong)化系統用(yong)于實現無人值守的操(cao)作。
建議出(chu)于(yu)美(mei)觀原因,應使用(yong)鋼(gang)管敷設(she)10 kV電(dian)(dian)(dian)(dian)纜出(chu)口(kou)。變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)中的10 kV箱(xiang)式配電(dian)(dian)(dian)(dian)站(zhan)(zhan)外殼通常用(yong)水泥鋪成(cheng),并且10 kV線路終(zhong)端通常在變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)壁外10 m。如果將電(dian)(dian)(dian)(dian)纜直接(jie)埋在地下并引到電(dian)(dian)(dian)(dian)線桿上,則很難進(jin)行維護。因此,應將10 kV電(dian)(dian)(dian)(dian)纜插座穿(chuan)過鋼(gang)管,以(yi)(yi)使用(yong)戶易于(yu)維護。如果10 kV線路的連接(jie)極遠離變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan),則必須通過鋼(gang)管將10 kV電(dian)(dian)(dian)(dian)纜的出(chu)線口(kou)從機殼鋪設(she)到變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的墻(qiang)壁。在電(dian)(dian)(dian)(dian)纜出(chu)口(kou)末端的線路接(jie)線柱上安(an)裝了(le)新的電(dian)(dian)(dian)(dian)涌保護器,以(yi)(yi)避免過電(dian)(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。生產廠家建議它還可(ke)(ke)以安(an)(an)裝(zhuang)在35 kV設(she)備(bei),10 kV設(she)備(bei)的(de)室外以及控制和保(bao)護系統箱體。這種(zhong)組合方(fang)法特別(bie)適用(yong)于將舊站點轉換為(wei)(wei)農村(cun)電(dian)(dian)網的(de)轉換,即(ji)原(yuan)始的(de)35 kV設(she)備(bei)不動(dong),僅安(an)(an)裝(zhuang)10 kV配電(dian)(dian)箱。可(ke)(ke)以滿足無(wu)人值守的(de)要(yao)求。如果電(dian)(dian)氣設(she)備(bei)在運行過(guo)程中被接(jie)(jie)地(di)阻塞,則電(dian)(dian)流將通過(guo)接(jie)(jie)地(di)體流入地(di)下。實(shi)驗表明,穿(chuan)過(guo)地(di)球(qiu)的(de)電(dian)(dian)位為(wei)(wei)零,因(yin)此(ci)穿(chuan)過(guo)地(di)球(qiu)的(de)電(dian)(dian)位為(wei)(wei)零。因(yin)此(ci),在施加(jia)電(dian)(dian)能(neng)時要(yao)使用(yong)手動(dong)操(cao)作,以防止所有接(jie)(jie)觸體接(jie)(jie)地(di)。無(wu)論環境(jing)如何(he),電(dian)(dian)勢均(jun)為(wei)(wei)零,并(bing)且(qie)用(yong)電(dian)(dian)安(an)(an)全。因(yin)此(ci),接(jie)(jie)地(di)的(de)主要(yao)作用(yong)是保(bao)護人員和設(she)備(bei)的(de)安(an)(an)全。