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箱(xiang)體的主要設備使用家用電(dian)器(qi),例(li)如真空控制柜,干(gan)式變(bian)壓器(qi),干(gan)式變(bian)壓器(qi),真空斷(duan)路器(qi)(彈簧(huang)操(cao)作機構(gou)),并且產品沒有裸(luo)露的帶(dai)電(dian)部件。它是全邊(bian)緣結(jie)構(gou),可(ke)(ke)完(wan)全導(dao)致零(ling)電(dian)擊事(shi)故。整個站可(ke)(ke)以實(shi)現(xian)高度安全的無油(you)運行(xing)。第二次,集成(cheng)到微計算機中的自動化系統(tong)用于實(shi)現(xian)無人值守的操(cao)作。
建議出(chu)(chu)于美觀原因,應使用鋼管敷設10 kV電(dian)(dian)纜(lan)出(chu)(chu)口。變(bian)電(dian)(dian)站(zhan)中的10 kV箱(xiang)式配電(dian)(dian)站(zhan)外殼(ke)通(tong)常用水(shui)泥鋪成,并且10 kV線(xian)路終端通(tong)常在(zai)(zai)變(bian)電(dian)(dian)站(zhan)壁外10 m。如(ru)果將電(dian)(dian)纜(lan)直接埋(mai)在(zai)(zai)地下并引到(dao)電(dian)(dian)線(xian)桿上,則很難進行(xing)維護。因此,應將10 kV電(dian)(dian)纜(lan)插(cha)座穿(chuan)過鋼管,以(yi)使用戶易于維護。如(ru)果10 kV線(xian)路的連接極遠離變(bian)電(dian)(dian)站(zhan),則必須通(tong)過鋼管將10 kV電(dian)(dian)纜(lan)的出(chu)(chu)線(xian)口從機殼(ke)鋪設到(dao)變(bian)電(dian)(dian)站(zhan)的墻壁。在(zai)(zai)電(dian)(dian)纜(lan)出(chu)(chu)口末端的線(xian)路接線(xian)柱上安(an)裝了新的電(dian)(dian)涌(yong)保護器,以(yi)避免過電(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(jian)議它還(huan)可以(yi)(yi)安(an)裝在(zai)35 kV設(she)(she)備,10 kV設(she)(she)備的(de)(de)(de)室(shi)外以(yi)(yi)及控制和保(bao)護系統箱體。這(zhe)種(zhong)組合方法特別(bie)適(shi)用于將舊站點轉換為(wei)農村電(dian)(dian)(dian)(dian)網的(de)(de)(de)轉換,即原始(shi)的(de)(de)(de)35 kV設(she)(she)備不動,僅安(an)裝10 kV配電(dian)(dian)(dian)(dian)箱。可以(yi)(yi)滿足無(wu)人(ren)值(zhi)守的(de)(de)(de)要(yao)求。如(ru)果電(dian)(dian)(dian)(dian)氣設(she)(she)備在(zai)運行過程(cheng)中被接(jie)(jie)地(di)阻(zu)塞,則電(dian)(dian)(dian)(dian)流將通過接(jie)(jie)地(di)體流入(ru)地(di)下。實驗表明,穿(chuan)過地(di)球(qiu)的(de)(de)(de)電(dian)(dian)(dian)(dian)位(wei)為(wei)零,因此穿(chuan)過地(di)球(qiu)的(de)(de)(de)電(dian)(dian)(dian)(dian)位(wei)為(wei)零。因此,在(zai)施(shi)加電(dian)(dian)(dian)(dian)能時要(yao)使用手動操作(zuo),以(yi)(yi)防止所有接(jie)(jie)觸體接(jie)(jie)地(di)。無(wu)論(lun)環(huan)境(jing)如(ru)何,電(dian)(dian)(dian)(dian)勢均為(wei)零,并(bing)且用電(dian)(dian)(dian)(dian)安(an)全。因此,接(jie)(jie)地(di)的(de)(de)(de)主要(yao)作(zuo)用是保(bao)護人(ren)員(yuan)和設(she)(she)備的(de)(de)(de)安(an)全。