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箱體的(de)主要設(she)備使用家用電(dian)器(qi)(qi),例如真(zhen)空(kong)控制(zhi)柜,干式(shi)變壓器(qi)(qi),干式(shi)變壓器(qi)(qi),真(zhen)空(kong)斷路器(qi)(qi)(彈簧(huang)操作機構),并且產品沒有裸(luo)露的(de)帶電(dian)部件(jian)。它(ta)是全邊(bian)緣結構,可完全導致零(ling)電(dian)擊事故。整個站可以(yi)實現高度安(an)全的(de)無(wu)油運行(xing)。第二次(ci),集成到微計算機中的(de)自(zi)動化系(xi)統(tong)用于實現無(wu)人值守(shou)的(de)操作。
建議出于美觀原因(yin),應使(shi)用鋼管敷(fu)設(she)10 kV電(dian)(dian)(dian)(dian)纜(lan)出口。變電(dian)(dian)(dian)(dian)站(zhan)(zhan)中的10 kV箱式(shi)配電(dian)(dian)(dian)(dian)站(zhan)(zhan)外(wai)殼通(tong)常用水(shui)泥鋪成,并且10 kV線(xian)(xian)(xian)路終端通(tong)常在變電(dian)(dian)(dian)(dian)站(zhan)(zhan)壁外(wai)10 m。如(ru)果將(jiang)電(dian)(dian)(dian)(dian)纜(lan)直接(jie)埋在地下并引到電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)桿上,則很難進行維護。因(yin)此,應將(jiang)10 kV電(dian)(dian)(dian)(dian)纜(lan)插座(zuo)穿過鋼管,以使(shi)用戶易于維護。如(ru)果10 kV線(xian)(xian)(xian)路的連接(jie)極遠離變電(dian)(dian)(dian)(dian)站(zhan)(zhan),則必須(xu)通(tong)過鋼管將(jiang)10 kV電(dian)(dian)(dian)(dian)纜(lan)的出線(xian)(xian)(xian)口從機(ji)殼鋪設(she)到變電(dian)(dian)(dian)(dian)站(zhan)(zhan)的墻壁。在電(dian)(dian)(dian)(dian)纜(lan)出口末端的線(xian)(xian)(xian)路接(jie)線(xian)(xian)(xian)柱上安裝了新(xin)的電(dian)(dian)(dian)(dian)涌(yong)保護器(qi),以避免過電(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。生產廠(chang)家建(jian)議它還可(ke)以安裝在35 kV設備(bei),10 kV設備(bei)的(de)(de)室(shi)外以及控制和保(bao)護系統箱體。這種(zhong)組合(he)方法特別適用(yong)(yong)于(yu)將舊站點轉換為(wei)農村電(dian)網的(de)(de)轉換,即原始的(de)(de)35 kV設備(bei)不(bu)動(dong)(dong),僅安裝10 kV配電(dian)箱。可(ke)以滿足無(wu)人值(zhi)守的(de)(de)要求(qiu)。如果(guo)電(dian)氣設備(bei)在運(yun)行過(guo)(guo)程中被接地(di)阻塞,則電(dian)流(liu)將通過(guo)(guo)接地(di)體流(liu)入地(di)下。實驗(yan)表明(ming),穿(chuan)過(guo)(guo)地(di)球(qiu)的(de)(de)電(dian)位為(wei)零,因(yin)此(ci)穿(chuan)過(guo)(guo)地(di)球(qiu)的(de)(de)電(dian)位為(wei)零。因(yin)此(ci),在施加電(dian)能(neng)時要使用(yong)(yong)手動(dong)(dong)操作,以防止(zhi)所有接觸體接地(di)。無(wu)論環境如何,電(dian)勢(shi)均為(wei)零,并且用(yong)(yong)電(dian)安全(quan)。因(yin)此(ci),接地(di)的(de)(de)主要作用(yong)(yong)是(shi)保(bao)護人員和設備(bei)的(de)(de)安全(quan)。