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箱體的主要設備使用(yong)家用(yong)電器,例如真(zhen)空(kong)控制柜,干(gan)式(shi)變(bian)(bian)壓(ya)器,干(gan)式(shi)變(bian)(bian)壓(ya)器,真(zhen)空(kong)斷(duan)路器(彈簧操(cao)作機(ji)構),并且產品(pin)沒有裸(luo)露的帶(dai)電部件。它是全(quan)邊緣結構,可完全(quan)導致零(ling)電擊事故。整個站可以實現(xian)高度安(an)全(quan)的無(wu)油運行。第二(er)次,集成(cheng)到微計(ji)算機(ji)中的自動化系統用(yong)于實現(xian)無(wu)人值守的操(cao)作。
建(jian)議出(chu)(chu)于美觀原(yuan)因(yin),應使用鋼管敷設10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)(chu)口。變(bian)電(dian)(dian)(dian)(dian)站(zhan)中的(de)10 kV箱式(shi)配電(dian)(dian)(dian)(dian)站(zhan)外(wai)殼通常用水泥鋪成,并且10 kV線路終端(duan)通常在變(bian)電(dian)(dian)(dian)(dian)站(zhan)壁(bi)外(wai)10 m。如(ru)果(guo)將電(dian)(dian)(dian)(dian)纜(lan)(lan)直接埋在地下并引到電(dian)(dian)(dian)(dian)線桿上(shang),則(ze)很難進行維護。因(yin)此(ci),應將10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)插座穿過鋼管,以(yi)使用戶易于維護。如(ru)果(guo)10 kV線路的(de)連接極遠離(li)變(bian)電(dian)(dian)(dian)(dian)站(zhan),則(ze)必須通過鋼管將10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)出(chu)(chu)線口從機殼鋪設到變(bian)電(dian)(dian)(dian)(dian)站(zhan)的(de)墻壁(bi)。在電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)(chu)口末(mo)端(duan)的(de)線路接線柱上(shang)安裝了新的(de)電(dian)(dian)(dian)(dian)涌(yong)保護器(qi),以(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(sheng)產廠家建(jian)議(yi)它還可以安裝在35 kV設(she)備(bei),10 kV設(she)備(bei)的(de)室(shi)外以及(ji)控(kong)制和保(bao)護系統箱體(ti)(ti)。這(zhe)種組合方法特別適用(yong)(yong)于將舊(jiu)站點轉換(huan)為農(nong)村電(dian)(dian)網(wang)的(de)轉換(huan),即原始的(de)35 kV設(she)備(bei)不(bu)動,僅安裝10 kV配(pei)電(dian)(dian)箱。可以滿足無人值(zhi)守的(de)要(yao)求。如果電(dian)(dian)氣設(she)備(bei)在運行過(guo)(guo)程中被(bei)接地(di)(di)阻(zu)塞,則電(dian)(dian)流將通過(guo)(guo)接地(di)(di)體(ti)(ti)流入地(di)(di)下(xia)。實驗表明,穿(chuan)過(guo)(guo)地(di)(di)球的(de)電(dian)(dian)位為零,因此(ci)穿(chuan)過(guo)(guo)地(di)(di)球的(de)電(dian)(dian)位為零。因此(ci),在施加電(dian)(dian)能時(shi)要(yao)使用(yong)(yong)手動操(cao)作,以防止所有接觸體(ti)(ti)接地(di)(di)。無論環(huan)境如何,電(dian)(dian)勢均為零,并且用(yong)(yong)電(dian)(dian)安全。因此(ci),接地(di)(di)的(de)主要(yao)作用(yong)(yong)是保(bao)護人員和設(she)備(bei)的(de)安全。