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箱體(ti)的(de)主要設備(bei)使(shi)用(yong)家用(yong)電器,例如真空(kong)控制柜,干式變壓器,干式變壓器,真空(kong)斷路器(彈簧操作機構(gou)),并且(qie)產品沒有裸露的(de)帶電部件。它是全邊緣結構(gou),可完全導致零(ling)電擊事故。整個站可以實(shi)現高度(du)安全的(de)無(wu)油運行。第(di)二次(ci),集成到(dao)微(wei)計算機中的(de)自動化系(xi)統用(yong)于(yu)實(shi)現無(wu)人值守的(de)操作。
建議(yi)出于(yu)美觀原因,應使用(yong)鋼(gang)管(guan)敷設(she)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)出口。變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)中的(de)10 kV箱式配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)外殼通(tong)常用(yong)水泥鋪成,并且10 kV線路終端通(tong)常在變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)壁外10 m。如(ru)果將(jiang)(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)直接(jie)埋在地下并引(yin)到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線桿上,則(ze)很難進行維護。因此,應將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)插座穿過(guo)鋼(gang)管(guan),以使用(yong)戶(hu)易于(yu)維護。如(ru)果10 kV線路的(de)連接(jie)極遠(yuan)離(li)變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan),則(ze)必須(xu)通(tong)過(guo)鋼(gang)管(guan)將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)出線口從機(ji)殼鋪設(she)到變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)的(de)墻壁。在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)出口末端的(de)線路接(jie)線柱上安裝了新的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)涌保護器,以避(bi)免過(guo)電(dian)(dian)(dian)(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)產廠家建議(yi)它還可以安(an)(an)裝(zhuang)在35 kV設備(bei),10 kV設備(bei)的(de)(de)室外以及控制和(he)保護系統箱體(ti)(ti)。這(zhe)種組合(he)方法(fa)特別適(shi)用(yong)(yong)于(yu)將舊站點轉換為(wei)農村電(dian)(dian)網的(de)(de)轉換,即原始的(de)(de)35 kV設備(bei)不動,僅安(an)(an)裝(zhuang)10 kV配電(dian)(dian)箱。可以滿足無人值(zhi)守的(de)(de)要求。如果(guo)電(dian)(dian)氣設備(bei)在運行過(guo)程中被接(jie)地(di)(di)(di)阻塞,則電(dian)(dian)流(liu)將通過(guo)接(jie)地(di)(di)(di)體(ti)(ti)流(liu)入(ru)地(di)(di)(di)下。實驗表明,穿過(guo)地(di)(di)(di)球的(de)(de)電(dian)(dian)位(wei)為(wei)零(ling),因(yin)此(ci)穿過(guo)地(di)(di)(di)球的(de)(de)電(dian)(dian)位(wei)為(wei)零(ling)。因(yin)此(ci),在施加電(dian)(dian)能時要使用(yong)(yong)手動操作,以防止所有(you)接(jie)觸體(ti)(ti)接(jie)地(di)(di)(di)。無論(lun)環境(jing)如何,電(dian)(dian)勢均(jun)為(wei)零(ling),并(bing)且用(yong)(yong)電(dian)(dian)安(an)(an)全。因(yin)此(ci),接(jie)地(di)(di)(di)的(de)(de)主要作用(yong)(yong)是保護人員和(he)設備(bei)的(de)(de)安(an)(an)全。