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箱體的主要(yao)設備(bei)使用(yong)家用(yong)電(dian)器,例(li)如真空控制柜,干(gan)式變(bian)壓器,干(gan)式變(bian)壓器,真空斷路器(彈(dan)簧操(cao)作機構(gou)),并且產品沒有裸露的帶電(dian)部件。它是全(quan)邊緣結(jie)構(gou),可(ke)完全(quan)導致(zhi)零電(dian)擊事故。整個站可(ke)以實現(xian)(xian)高度安全(quan)的無油運行。第二(er)次(ci),集成到微計算機中(zhong)的自動(dong)化系統用(yong)于實現(xian)(xian)無人值守的操(cao)作。
建(jian)議出(chu)于(yu)美觀原因,應(ying)使用(yong)鋼管(guan)(guan)敷設(she)10 kV電(dian)(dian)(dian)纜出(chu)口。變(bian)電(dian)(dian)(dian)站(zhan)中的(de)10 kV箱式(shi)配電(dian)(dian)(dian)站(zhan)外殼通常(chang)用(yong)水泥鋪(pu)成,并且10 kV線(xian)路(lu)終端通常(chang)在變(bian)電(dian)(dian)(dian)站(zhan)壁外10 m。如果將(jiang)電(dian)(dian)(dian)纜直接埋在地下(xia)并引到(dao)電(dian)(dian)(dian)線(xian)桿上(shang),則很難進(jin)行維護(hu)(hu)。因此,應(ying)將(jiang)10 kV電(dian)(dian)(dian)纜插座穿(chuan)過鋼管(guan)(guan),以使用(yong)戶易于(yu)維護(hu)(hu)。如果10 kV線(xian)路(lu)的(de)連接極(ji)遠離變(bian)電(dian)(dian)(dian)站(zhan),則必須通過鋼管(guan)(guan)將(jiang)10 kV電(dian)(dian)(dian)纜的(de)出(chu)線(xian)口從(cong)機殼鋪(pu)設(she)到(dao)變(bian)電(dian)(dian)(dian)站(zhan)的(de)墻壁。在電(dian)(dian)(dian)纜出(chu)口末(mo)端的(de)線(xian)路(lu)接線(xian)柱(zhu)上(shang)安裝(zhuang)了(le)新的(de)電(dian)(dian)(dian)涌保護(hu)(hu)器,以避免過電(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(chan)廠家建(jian)議它還可以安(an)裝在(zai)35 kV設(she)備,10 kV設(she)備的室(shi)外以及控(kong)制和(he)保護系統箱(xiang)體。這種(zhong)組合方法(fa)特別適(shi)用(yong)于(yu)將(jiang)舊站點轉(zhuan)換為(wei)農(nong)村電(dian)(dian)(dian)網的轉(zhuan)換,即(ji)原始(shi)的35 kV設(she)備不動,僅安(an)裝10 kV配電(dian)(dian)(dian)箱(xiang)。可以滿足無(wu)人值守(shou)的要(yao)求。如果電(dian)(dian)(dian)氣(qi)設(she)備在(zai)運行過(guo)(guo)(guo)程(cheng)中被接(jie)地(di)阻塞,則電(dian)(dian)(dian)流將(jiang)通過(guo)(guo)(guo)接(jie)地(di)體流入地(di)下。實驗表明,穿過(guo)(guo)(guo)地(di)球(qiu)的電(dian)(dian)(dian)位(wei)為(wei)零,因(yin)此(ci)穿過(guo)(guo)(guo)地(di)球(qiu)的電(dian)(dian)(dian)位(wei)為(wei)零。因(yin)此(ci),在(zai)施加電(dian)(dian)(dian)能時要(yao)使用(yong)手動操(cao)作(zuo),以防(fang)止所有接(jie)觸體接(jie)地(di)。無(wu)論環境如何(he),電(dian)(dian)(dian)勢均為(wei)零,并且(qie)用(yong)電(dian)(dian)(dian)安(an)全。因(yin)此(ci),接(jie)地(di)的主要(yao)作(zuo)用(yong)是保護人員(yuan)和(he)設(she)備的安(an)全。