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箱體的(de)主要(yao)設備使用家用電(dian)器(qi),例如真(zhen)空(kong)控制柜,干式變壓(ya)器(qi),干式變壓(ya)器(qi),真(zhen)空(kong)斷路(lu)器(qi)(彈簧操作機(ji)構),并且產品沒(mei)有裸露(lu)的(de)帶電(dian)部(bu)件。它是(shi)全(quan)(quan)邊緣結構,可完全(quan)(quan)導致零(ling)電(dian)擊事故。整(zheng)個站可以實現高(gao)度安全(quan)(quan)的(de)無(wu)油運行。第二次,集成到微計算機(ji)中的(de)自動(dong)化(hua)系統用于實現無(wu)人值守的(de)操作。
建議出于美(mei)觀原因,應使(shi)用鋼管敷(fu)設10 kV電(dian)(dian)(dian)纜出口。變(bian)電(dian)(dian)(dian)站中(zhong)的(de)(de)10 kV箱式(shi)配電(dian)(dian)(dian)站外(wai)殼通(tong)常用水泥鋪成,并且10 kV線路(lu)終(zhong)端(duan)通(tong)常在變(bian)電(dian)(dian)(dian)站壁外(wai)10 m。如(ru)果將電(dian)(dian)(dian)纜直(zhi)接(jie)埋在地下(xia)并引到電(dian)(dian)(dian)線桿(gan)上(shang),則(ze)很難進行維(wei)護。因此,應將10 kV電(dian)(dian)(dian)纜插座穿過(guo)(guo)鋼管,以(yi)使(shi)用戶(hu)易于維(wei)護。如(ru)果10 kV線路(lu)的(de)(de)連(lian)接(jie)極遠離變(bian)電(dian)(dian)(dian)站,則(ze)必(bi)須通(tong)過(guo)(guo)鋼管將10 kV電(dian)(dian)(dian)纜的(de)(de)出線口從機殼鋪設到變(bian)電(dian)(dian)(dian)站的(de)(de)墻壁。在電(dian)(dian)(dian)纜出口末端(duan)的(de)(de)線路(lu)接(jie)線柱上(shang)安裝了新的(de)(de)電(dian)(dian)(dian)涌保護器(qi),以(yi)避免過(guo)(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。生產廠(chang)家建議它還可以(yi)安(an)(an)裝(zhuang)在(zai)35 kV設(she)備(bei)(bei),10 kV設(she)備(bei)(bei)的(de)室外以(yi)及控制(zhi)和保(bao)護系統箱體。這種組合方法特別適用(yong)于(yu)將舊(jiu)站點(dian)轉換(huan)為農(nong)村電(dian)(dian)(dian)網的(de)轉換(huan),即原始的(de)35 kV設(she)備(bei)(bei)不動(dong),僅安(an)(an)裝(zhuang)10 kV配電(dian)(dian)(dian)箱。可以(yi)滿足無(wu)人(ren)值守的(de)要(yao)(yao)求。如果電(dian)(dian)(dian)氣設(she)備(bei)(bei)在(zai)運行過(guo)程中被接地(di)阻塞,則電(dian)(dian)(dian)流將通(tong)過(guo)接地(di)體流入(ru)地(di)下。實驗表明(ming),穿(chuan)過(guo)地(di)球的(de)電(dian)(dian)(dian)位為零(ling),因(yin)(yin)此(ci)穿(chuan)過(guo)地(di)球的(de)電(dian)(dian)(dian)位為零(ling)。因(yin)(yin)此(ci),在(zai)施加電(dian)(dian)(dian)能時要(yao)(yao)使用(yong)手動(dong)操作(zuo),以(yi)防止所有接觸體接地(di)。無(wu)論環境如何,電(dian)(dian)(dian)勢均為零(ling),并且用(yong)電(dian)(dian)(dian)安(an)(an)全。因(yin)(yin)此(ci),接地(di)的(de)主要(yao)(yao)作(zuo)用(yong)是保(bao)護人(ren)員和設(she)備(bei)(bei)的(de)安(an)(an)全。