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箱體的主要設備使用(yong)家用(yong)電(dian)器,例(li)如真(zhen)空(kong)控制柜,干(gan)(gan)式(shi)變(bian)壓器,干(gan)(gan)式(shi)變(bian)壓器,真(zhen)空(kong)斷路器(彈簧操作機構),并且產(chan)品沒有(you)裸露的帶(dai)電(dian)部件。它是(shi)全(quan)邊(bian)緣結構,可完全(quan)導致零(ling)電(dian)擊事故。整個站(zhan)可以實(shi)現高度安(an)全(quan)的無(wu)(wu)油(you)運(yun)行。第(di)二次,集成到(dao)微計算機中的自動化系(xi)統用(yong)于實(shi)現無(wu)(wu)人值守(shou)的操作。
建議出(chu)(chu)于美觀原(yuan)因,應(ying)(ying)使用(yong)鋼管(guan)敷設10 kV電(dian)(dian)(dian)纜(lan)出(chu)(chu)口(kou)。變電(dian)(dian)(dian)站(zhan)(zhan)中(zhong)的(de)(de)(de)10 kV箱式配電(dian)(dian)(dian)站(zhan)(zhan)外殼通(tong)常用(yong)水泥鋪(pu)成,并且(qie)10 kV線(xian)(xian)路終端(duan)通(tong)常在變電(dian)(dian)(dian)站(zhan)(zhan)壁(bi)外10 m。如(ru)果將(jiang)電(dian)(dian)(dian)纜(lan)直接埋在地(di)下并引(yin)到(dao)電(dian)(dian)(dian)線(xian)(xian)桿(gan)上(shang),則很難進行(xing)維護(hu)(hu)(hu)。因此(ci),應(ying)(ying)將(jiang)10 kV電(dian)(dian)(dian)纜(lan)插座穿過鋼管(guan),以使用(yong)戶易于維護(hu)(hu)(hu)。如(ru)果10 kV線(xian)(xian)路的(de)(de)(de)連接極遠離(li)變電(dian)(dian)(dian)站(zhan)(zhan),則必須通(tong)過鋼管(guan)將(jiang)10 kV電(dian)(dian)(dian)纜(lan)的(de)(de)(de)出(chu)(chu)線(xian)(xian)口(kou)從機殼鋪(pu)設到(dao)變電(dian)(dian)(dian)站(zhan)(zhan)的(de)(de)(de)墻壁(bi)。在電(dian)(dian)(dian)纜(lan)出(chu)(chu)口(kou)末端(duan)的(de)(de)(de)線(xian)(xian)路接線(xian)(xian)柱上(shang)安(an)裝(zhuang)了新的(de)(de)(de)電(dian)(dian)(dian)涌保護(hu)(hu)(hu)器(qi),以避(bi)免(mian)過電(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。生產廠家(jia)建議它(ta)還可以(yi)安(an)裝(zhuang)在35 kV設備(bei)(bei),10 kV設備(bei)(bei)的(de)(de)室外以(yi)及控制和保護系統箱體。這(zhe)種組合方(fang)法(fa)特別適用(yong)于(yu)將舊站點轉換為(wei)農村(cun)電(dian)網的(de)(de)轉換,即原始(shi)的(de)(de)35 kV設備(bei)(bei)不動,僅(jin)安(an)裝(zhuang)10 kV配電(dian)箱。可以(yi)滿足(zu)無人(ren)值守的(de)(de)要求。如果電(dian)氣設備(bei)(bei)在運(yun)行(xing)過(guo)程中被接(jie)(jie)地(di)(di)阻塞(sai),則電(dian)流(liu)將通過(guo)接(jie)(jie)地(di)(di)體流(liu)入地(di)(di)下。實(shi)驗表明,穿(chuan)過(guo)地(di)(di)球(qiu)的(de)(de)電(dian)位(wei)為(wei)零(ling),因此(ci)(ci)穿(chuan)過(guo)地(di)(di)球(qiu)的(de)(de)電(dian)位(wei)為(wei)零(ling)。因此(ci)(ci),在施加電(dian)能時要使用(yong)手(shou)動操作(zuo),以(yi)防止所有接(jie)(jie)觸體接(jie)(jie)地(di)(di)。無論(lun)環境如何,電(dian)勢均(jun)為(wei)零(ling),并且用(yong)電(dian)安(an)全。因此(ci)(ci),接(jie)(jie)地(di)(di)的(de)(de)主要作(zuo)用(yong)是保護人(ren)員(yuan)和設備(bei)(bei)的(de)(de)安(an)全。