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箱體的主要(yao)設備使用(yong)家(jia)用(yong)電(dian)器(qi),例(li)如真空(kong)控制柜,干(gan)式(shi)變壓器(qi),干(gan)式(shi)變壓器(qi),真空(kong)斷(duan)路器(qi)(彈簧操作機構(gou)),并且(qie)產(chan)品沒(mei)有裸露的帶電(dian)部件。它是全(quan)邊緣(yuan)結構(gou),可(ke)完全(quan)導(dao)致零電(dian)擊事(shi)故(gu)。整個站可(ke)以實現高度安全(quan)的無油(you)運行。第二次,集成到微(wei)計算機中的自動化(hua)系(xi)統用(yong)于實現無人值守的操作。
建議(yi)出(chu)(chu)于美觀原(yuan)因,應(ying)(ying)使用(yong)(yong)鋼(gang)管敷設10 kV電(dian)纜出(chu)(chu)口(kou)。變(bian)電(dian)站(zhan)中的(de)(de)(de)10 kV箱式配電(dian)站(zhan)外殼通(tong)(tong)常用(yong)(yong)水泥鋪成,并且(qie)10 kV線(xian)(xian)(xian)路(lu)終(zhong)端通(tong)(tong)常在(zai)變(bian)電(dian)站(zhan)壁外10 m。如(ru)果(guo)將(jiang)電(dian)纜直接埋在(zai)地下(xia)并引到電(dian)線(xian)(xian)(xian)桿上,則(ze)很(hen)難(nan)進行(xing)維護(hu)。因此(ci),應(ying)(ying)將(jiang)10 kV電(dian)纜插(cha)座穿過鋼(gang)管,以(yi)使用(yong)(yong)戶(hu)易于維護(hu)。如(ru)果(guo)10 kV線(xian)(xian)(xian)路(lu)的(de)(de)(de)連(lian)接極遠(yuan)離變(bian)電(dian)站(zhan),則(ze)必須通(tong)(tong)過鋼(gang)管將(jiang)10 kV電(dian)纜的(de)(de)(de)出(chu)(chu)線(xian)(xian)(xian)口(kou)從(cong)機殼鋪設到變(bian)電(dian)站(zhan)的(de)(de)(de)墻(qiang)壁。在(zai)電(dian)纜出(chu)(chu)口(kou)末(mo)端的(de)(de)(de)線(xian)(xian)(xian)路(lu)接線(xian)(xian)(xian)柱上安(an)裝(zhuang)了(le)新的(de)(de)(de)電(dian)涌保護(hu)器,以(yi)避免過電(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(sheng)產廠家建議它還(huan)可以安(an)(an)裝在35 kV設備,10 kV設備的(de)(de)室外以及控(kong)制和保護系統箱體。這(zhe)種組合(he)方法特別(bie)適用于將舊站點轉(zhuan)換為(wei)農(nong)村電(dian)(dian)(dian)(dian)(dian)網的(de)(de)轉(zhuan)換,即原始(shi)的(de)(de)35 kV設備不動(dong),僅安(an)(an)裝10 kV配電(dian)(dian)(dian)(dian)(dian)箱。可以滿(man)足(zu)無人值守(shou)的(de)(de)要(yao)求。如(ru)果電(dian)(dian)(dian)(dian)(dian)氣(qi)設備在運行過程(cheng)中被接(jie)地(di)阻塞,則電(dian)(dian)(dian)(dian)(dian)流將通過接(jie)地(di)體流入(ru)地(di)下。實驗表明,穿過地(di)球的(de)(de)電(dian)(dian)(dian)(dian)(dian)位(wei)為(wei)零,因此(ci)穿過地(di)球的(de)(de)電(dian)(dian)(dian)(dian)(dian)位(wei)為(wei)零。因此(ci),在施加電(dian)(dian)(dian)(dian)(dian)能時要(yao)使用手動(dong)操作(zuo),以防(fang)止(zhi)所有接(jie)觸體接(jie)地(di)。無論環境如(ru)何,電(dian)(dian)(dian)(dian)(dian)勢(shi)均(jun)為(wei)零,并且用電(dian)(dian)(dian)(dian)(dian)安(an)(an)全。因此(ci),接(jie)地(di)的(de)(de)主(zhu)要(yao)作(zuo)用是保護人員和設備的(de)(de)安(an)(an)全。