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箱體的主要設備使用家用電(dian)(dian)器(qi)(qi),例如(ru)真(zhen)(zhen)空(kong)控制柜,干(gan)式變(bian)壓器(qi)(qi),干(gan)式變(bian)壓器(qi)(qi),真(zhen)(zhen)空(kong)斷(duan)路(lu)器(qi)(qi)(彈簧操作機構),并且產品沒有裸露(lu)的帶電(dian)(dian)部(bu)件。它是(shi)全邊緣(yuan)結(jie)構,可(ke)完全導致零電(dian)(dian)擊事(shi)故。整個(ge)站可(ke)以實現高度安(an)全的無(wu)油運行。第(di)二次,集成到微計算機中的自動化系統用于實現無(wu)人(ren)值守的操作。
建議(yi)出于美觀(guan)原因(yin),應(ying)使用(yong)鋼管(guan)敷設10 kV電(dian)(dian)(dian)纜(lan)(lan)(lan)出口。變(bian)電(dian)(dian)(dian)站(zhan)中(zhong)的(de)(de)10 kV箱(xiang)式配(pei)電(dian)(dian)(dian)站(zhan)外殼(ke)通常用(yong)水泥鋪成,并(bing)且10 kV線路終端(duan)通常在(zai)(zai)變(bian)電(dian)(dian)(dian)站(zhan)壁(bi)外10 m。如果將電(dian)(dian)(dian)纜(lan)(lan)(lan)直接(jie)埋在(zai)(zai)地下并(bing)引到(dao)電(dian)(dian)(dian)線桿上(shang),則(ze)很難進(jin)行(xing)維護。因(yin)此(ci),應(ying)將10 kV電(dian)(dian)(dian)纜(lan)(lan)(lan)插座(zuo)穿過(guo)鋼管(guan),以(yi)使用(yong)戶易于維護。如果10 kV線路的(de)(de)連接(jie)極遠離變(bian)電(dian)(dian)(dian)站(zhan),則(ze)必(bi)須通過(guo)鋼管(guan)將10 kV電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)出線口從機殼(ke)鋪設到(dao)變(bian)電(dian)(dian)(dian)站(zhan)的(de)(de)墻壁(bi)。在(zai)(zai)電(dian)(dian)(dian)纜(lan)(lan)(lan)出口末端(duan)的(de)(de)線路接(jie)線柱上(shang)安裝了新的(de)(de)電(dian)(dian)(dian)涌保(bao)護器(qi),以(yi)避免過(guo)電(dian)(dian)(dian)壓(ya)。
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。生產廠家建(jian)議它還可以安(an)(an)裝在35 kV設(she)備,10 kV設(she)備的室外以及控制和(he)保護系(xi)統箱體。這種組合(he)方(fang)法特別(bie)適用(yong)于將(jiang)舊站點轉換為(wei)(wei)農村電(dian)(dian)(dian)(dian)(dian)網的轉換,即原始(shi)的35 kV設(she)備不動,僅安(an)(an)裝10 kV配電(dian)(dian)(dian)(dian)(dian)箱。可以滿(man)足無(wu)人值守的要求。如(ru)(ru)果電(dian)(dian)(dian)(dian)(dian)氣設(she)備在運行過(guo)(guo)程(cheng)中被接地(di)(di)阻塞,則電(dian)(dian)(dian)(dian)(dian)流將(jiang)通過(guo)(guo)接地(di)(di)體流入地(di)(di)下。實(shi)驗(yan)表明,穿過(guo)(guo)地(di)(di)球的電(dian)(dian)(dian)(dian)(dian)位為(wei)(wei)零(ling),因此穿過(guo)(guo)地(di)(di)球的電(dian)(dian)(dian)(dian)(dian)位為(wei)(wei)零(ling)。因此,在施加電(dian)(dian)(dian)(dian)(dian)能時要使用(yong)手動操作(zuo),以防止所有(you)接觸體接地(di)(di)。無(wu)論(lun)環境如(ru)(ru)何,電(dian)(dian)(dian)(dian)(dian)勢均為(wei)(wei)零(ling),并且用(yong)電(dian)(dian)(dian)(dian)(dian)安(an)(an)全(quan)。因此,接地(di)(di)的主要作(zuo)用(yong)是保護人員和(he)設(she)備的安(an)(an)全(quan)。