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箱體(ti)的主(zhu)要(yao)設(she)備使(shi)用(yong)家用(yong)電器(qi)(qi),例如真空控制柜,干式變壓(ya)器(qi)(qi),干式變壓(ya)器(qi)(qi),真空斷路器(qi)(qi)(彈(dan)簧操作(zuo)機構(gou)),并且產(chan)品沒(mei)有裸露的帶電部(bu)件。它是全邊緣結構(gou),可(ke)完全導致零電擊(ji)事故。整個站可(ke)以實現高度安(an)全的無(wu)油運行。第(di)二次,集(ji)成到微計算機中的自動化系統用(yong)于實現無(wu)人值(zhi)守的操作(zuo)。
建議出于(yu)美觀原(yuan)因,應使用(yong)(yong)鋼(gang)管敷設10 kV電(dian)(dian)(dian)纜出口。變(bian)(bian)電(dian)(dian)(dian)站(zhan)中的(de)(de)10 kV箱式配電(dian)(dian)(dian)站(zhan)外(wai)殼通(tong)常用(yong)(yong)水(shui)泥鋪成,并(bing)且(qie)10 kV線(xian)路終端通(tong)常在(zai)變(bian)(bian)電(dian)(dian)(dian)站(zhan)壁外(wai)10 m。如(ru)(ru)果將電(dian)(dian)(dian)纜直接埋在(zai)地(di)下并(bing)引到電(dian)(dian)(dian)線(xian)桿(gan)上,則很難進(jin)行(xing)維(wei)護。因此(ci),應將10 kV電(dian)(dian)(dian)纜插(cha)座穿過(guo)鋼(gang)管,以使用(yong)(yong)戶易(yi)于(yu)維(wei)護。如(ru)(ru)果10 kV線(xian)路的(de)(de)連接極遠離(li)變(bian)(bian)電(dian)(dian)(dian)站(zhan),則必須通(tong)過(guo)鋼(gang)管將10 kV電(dian)(dian)(dian)纜的(de)(de)出線(xian)口從機殼鋪設到變(bian)(bian)電(dian)(dian)(dian)站(zhan)的(de)(de)墻壁。在(zai)電(dian)(dian)(dian)纜出口末端的(de)(de)線(xian)路接線(xian)柱上安裝(zhuang)了新的(de)(de)電(dian)(dian)(dian)涌保護器,以避(bi)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(chan)廠家建議它還可以(yi)(yi)安裝(zhuang)在(zai)35 kV設(she)備(bei),10 kV設(she)備(bei)的(de)(de)室(shi)外以(yi)(yi)及控制和保(bao)護(hu)系統箱體。這種組合方法(fa)特別適用(yong)(yong)于將舊站點轉(zhuan)換為農(nong)村(cun)電(dian)(dian)(dian)網(wang)的(de)(de)轉(zhuan)換,即原始的(de)(de)35 kV設(she)備(bei)不動,僅安裝(zhuang)10 kV配電(dian)(dian)(dian)箱。可以(yi)(yi)滿足無(wu)人值(zhi)守(shou)的(de)(de)要(yao)求。如(ru)果電(dian)(dian)(dian)氣設(she)備(bei)在(zai)運行過(guo)(guo)程中被接地阻塞(sai),則電(dian)(dian)(dian)流將通過(guo)(guo)接地體流入地下。實驗表(biao)明,穿過(guo)(guo)地球的(de)(de)電(dian)(dian)(dian)位為零(ling),因此穿過(guo)(guo)地球的(de)(de)電(dian)(dian)(dian)位為零(ling)。因此,在(zai)施加(jia)電(dian)(dian)(dian)能時(shi)要(yao)使用(yong)(yong)手動操作,以(yi)(yi)防止所有接觸(chu)體接地。無(wu)論環境(jing)如(ru)何,電(dian)(dian)(dian)勢均(jun)為零(ling),并且用(yong)(yong)電(dian)(dian)(dian)安全。因此,接地的(de)(de)主要(yao)作用(yong)(yong)是保(bao)護(hu)人員和設(she)備(bei)的(de)(de)安全。