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箱體的(de)(de)主要(yao)設備使用家用電器(qi),例如真(zhen)空(kong)控制柜,干式(shi)變壓(ya)器(qi),干式(shi)變壓(ya)器(qi),真(zhen)空(kong)斷(duan)路器(qi)(彈簧操(cao)(cao)作機構(gou)),并且(qie)產品沒有裸(luo)露的(de)(de)帶(dai)電部件。它(ta)是全(quan)邊(bian)緣結構(gou),可完全(quan)導致零電擊事故。整個站(zhan)可以(yi)實(shi)現高(gao)度(du)安全(quan)的(de)(de)無(wu)油(you)運行。第(di)二次,集成到微計算機中的(de)(de)自動(dong)化系統用于(yu)實(shi)現無(wu)人值守的(de)(de)操(cao)(cao)作。
建議出(chu)于美觀原因,應(ying)使用鋼(gang)(gang)管(guan)敷設10 kV電(dian)(dian)(dian)纜出(chu)口(kou)。變電(dian)(dian)(dian)站中的(de)(de)10 kV箱式配電(dian)(dian)(dian)站外殼通(tong)常(chang)用水泥(ni)鋪成,并且10 kV線路終端通(tong)常(chang)在(zai)變電(dian)(dian)(dian)站壁外10 m。如(ru)果將(jiang)電(dian)(dian)(dian)纜直接埋在(zai)地下(xia)并引到(dao)電(dian)(dian)(dian)線桿上,則(ze)很(hen)難進行維護。因此(ci),應(ying)將(jiang)10 kV電(dian)(dian)(dian)纜插座穿(chuan)過(guo)鋼(gang)(gang)管(guan),以(yi)使用戶易于維護。如(ru)果10 kV線路的(de)(de)連(lian)接極遠離變電(dian)(dian)(dian)站,則(ze)必須通(tong)過(guo)鋼(gang)(gang)管(guan)將(jiang)10 kV電(dian)(dian)(dian)纜的(de)(de)出(chu)線口(kou)從機殼鋪設到(dao)變電(dian)(dian)(dian)站的(de)(de)墻壁。在(zai)電(dian)(dian)(dian)纜出(chu)口(kou)末端的(de)(de)線路接線柱上安裝了(le)新(xin)的(de)(de)電(dian)(dian)(dian)涌保護器,以(yi)避免過(guo)電(dian)(dian)(dian)壓(ya)。
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(jian)議它還可(ke)以(yi)安(an)(an)裝在35 kV設備(bei),10 kV設備(bei)的(de)(de)室外以(yi)及控制和(he)保護(hu)(hu)系統箱體。這種組(zu)合方法特別(bie)適(shi)用(yong)于將舊站(zhan)點轉(zhuan)換(huan)為(wei)農村電(dian)(dian)(dian)網的(de)(de)轉(zhuan)換(huan),即(ji)原始的(de)(de)35 kV設備(bei)不動(dong)(dong),僅安(an)(an)裝10 kV配電(dian)(dian)(dian)箱。可(ke)以(yi)滿足無人(ren)值守的(de)(de)要(yao)(yao)求。如果電(dian)(dian)(dian)氣設備(bei)在運行過程(cheng)中被(bei)接(jie)地(di)(di)阻塞(sai),則電(dian)(dian)(dian)流將通過接(jie)地(di)(di)體流入地(di)(di)下。實驗表明,穿過地(di)(di)球的(de)(de)電(dian)(dian)(dian)位為(wei)零,因(yin)此(ci)穿過地(di)(di)球的(de)(de)電(dian)(dian)(dian)位為(wei)零。因(yin)此(ci),在施加電(dian)(dian)(dian)能時要(yao)(yao)使用(yong)手動(dong)(dong)操作,以(yi)防(fang)止所有接(jie)觸(chu)體接(jie)地(di)(di)。無論環境如何,電(dian)(dian)(dian)勢均為(wei)零,并(bing)且用(yong)電(dian)(dian)(dian)安(an)(an)全。因(yin)此(ci),接(jie)地(di)(di)的(de)(de)主(zhu)要(yao)(yao)作用(yong)是保護(hu)(hu)人(ren)員(yuan)和(he)設備(bei)的(de)(de)安(an)(an)全。