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箱體(ti)的(de)(de)主要設備(bei)使用(yong)家用(yong)電器,例如真(zhen)空控制柜,干式變壓(ya)(ya)器,干式變壓(ya)(ya)器,真(zhen)空斷(duan)路器(彈簧操(cao)作(zuo)(zuo)機構),并且產品沒有裸露的(de)(de)帶(dai)電部(bu)件。它(ta)是全(quan)邊緣結構,可完全(quan)導致零電擊事(shi)故(gu)。整個(ge)站(zhan)可以實(shi)(shi)現高度安全(quan)的(de)(de)無油運(yun)行。第二次,集成(cheng)到微計算機中的(de)(de)自動化系(xi)統用(yong)于實(shi)(shi)現無人值守的(de)(de)操(cao)作(zuo)(zuo)。
建議(yi)出于(yu)美觀(guan)原因(yin),應使(shi)(shi)用鋼管敷設(she)10 kV電(dian)(dian)(dian)纜(lan)(lan)出口。變(bian)電(dian)(dian)(dian)站中的(de)(de)10 kV箱式配(pei)電(dian)(dian)(dian)站外殼(ke)通常用水泥(ni)鋪(pu)成,并(bing)且10 kV線(xian)路終(zhong)端通常在變(bian)電(dian)(dian)(dian)站壁外10 m。如果將電(dian)(dian)(dian)纜(lan)(lan)直(zhi)接埋在地下并(bing)引到(dao)電(dian)(dian)(dian)線(xian)桿上,則(ze)很難進行維護(hu)(hu)。因(yin)此,應將10 kV電(dian)(dian)(dian)纜(lan)(lan)插座穿過(guo)鋼管,以使(shi)(shi)用戶易于(yu)維護(hu)(hu)。如果10 kV線(xian)路的(de)(de)連接極(ji)遠(yuan)離變(bian)電(dian)(dian)(dian)站,則(ze)必須(xu)通過(guo)鋼管將10 kV電(dian)(dian)(dian)纜(lan)(lan)的(de)(de)出線(xian)口從機殼(ke)鋪(pu)設(she)到(dao)變(bian)電(dian)(dian)(dian)站的(de)(de)墻壁。在電(dian)(dian)(dian)纜(lan)(lan)出口末(mo)端的(de)(de)線(xian)路接線(xian)柱上安裝了新(xin)的(de)(de)電(dian)(dian)(dian)涌保護(hu)(hu)器,以避免過(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。生產廠家建議它還可(ke)(ke)以(yi)安裝在(zai)35 kV設(she)備(bei),10 kV設(she)備(bei)的(de)(de)室(shi)外以(yi)及(ji)控制(zhi)和保(bao)(bao)護系統(tong)箱體。這種組合方法特別適用于將舊(jiu)站點轉換為(wei)農村(cun)電(dian)(dian)(dian)(dian)(dian)網的(de)(de)轉換,即原(yuan)始的(de)(de)35 kV設(she)備(bei)不動(dong),僅安裝10 kV配電(dian)(dian)(dian)(dian)(dian)箱。可(ke)(ke)以(yi)滿足無人值守的(de)(de)要求。如果電(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備(bei)在(zai)運行過程中(zhong)被接(jie)地(di)阻塞(sai),則電(dian)(dian)(dian)(dian)(dian)流(liu)將通過接(jie)地(di)體流(liu)入地(di)下。實驗表(biao)明,穿(chuan)(chuan)過地(di)球的(de)(de)電(dian)(dian)(dian)(dian)(dian)位為(wei)零,因此(ci)穿(chuan)(chuan)過地(di)球的(de)(de)電(dian)(dian)(dian)(dian)(dian)位為(wei)零。因此(ci),在(zai)施加電(dian)(dian)(dian)(dian)(dian)能時要使用手動(dong)操作,以(yi)防(fang)止所有接(jie)觸體接(jie)地(di)。無論(lun)環境如何,電(dian)(dian)(dian)(dian)(dian)勢均為(wei)零,并且用電(dian)(dian)(dian)(dian)(dian)安全。因此(ci),接(jie)地(di)的(de)(de)主(zhu)要作用是保(bao)(bao)護人員和設(she)備(bei)的(de)(de)安全。