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箱體的(de)主要(yao)設備使(shi)用家用電器(qi)(qi),例如真空控制柜,干(gan)式(shi)變壓器(qi)(qi),干(gan)式(shi)變壓器(qi)(qi),真空斷路器(qi)(qi)(彈簧操作機(ji)構),并且產品沒有(you)裸(luo)露的(de)帶電部件。它是全(quan)(quan)邊緣結構,可完(wan)全(quan)(quan)導致零電擊事故。整個站可以實現高度(du)安(an)全(quan)(quan)的(de)無(wu)油運行(xing)。第二次(ci),集成到微計算機(ji)中的(de)自動化系統用于實現無(wu)人(ren)值守的(de)操作。
建議出(chu)(chu)于美(mei)觀原(yuan)因(yin),應使(shi)用鋼管敷設10 kV電(dian)(dian)(dian)(dian)纜出(chu)(chu)口。變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)中的10 kV箱式配電(dian)(dian)(dian)(dian)站(zhan)(zhan)外殼通(tong)常(chang)用水泥鋪成,并且10 kV線(xian)(xian)路(lu)終端通(tong)常(chang)在變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)壁外10 m。如(ru)果將(jiang)(jiang)電(dian)(dian)(dian)(dian)纜直(zhi)接(jie)(jie)埋在地(di)下(xia)并引到(dao)電(dian)(dian)(dian)(dian)線(xian)(xian)桿(gan)上(shang)(shang),則(ze)很難進行維(wei)護。因(yin)此,應將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)纜插座穿過(guo)鋼管,以使(shi)用戶易于維(wei)護。如(ru)果10 kV線(xian)(xian)路(lu)的連接(jie)(jie)極遠(yuan)離變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan),則(ze)必(bi)須通(tong)過(guo)鋼管將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)纜的出(chu)(chu)線(xian)(xian)口從機殼鋪設到(dao)變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的墻壁。在電(dian)(dian)(dian)(dian)纜出(chu)(chu)口末端的線(xian)(xian)路(lu)接(jie)(jie)線(xian)(xian)柱上(shang)(shang)安裝了新的電(dian)(dian)(dian)(dian)涌保(bao)護器,以避免過(guo)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。生產廠家(jia)建議它還可以(yi)(yi)安(an)裝在(zai)(zai)35 kV設(she)(she)(she)備(bei),10 kV設(she)(she)(she)備(bei)的(de)(de)室外以(yi)(yi)及控(kong)制和(he)保護系統箱體。這種組合方法(fa)特別(bie)適(shi)用(yong)于將(jiang)舊(jiu)站點轉(zhuan)(zhuan)換為(wei)(wei)(wei)農村電(dian)網的(de)(de)轉(zhuan)(zhuan)換,即原始的(de)(de)35 kV設(she)(she)(she)備(bei)不動,僅安(an)裝10 kV配(pei)電(dian)箱。可以(yi)(yi)滿足無(wu)人值守(shou)的(de)(de)要求。如果電(dian)氣設(she)(she)(she)備(bei)在(zai)(zai)運行過程中被接(jie)(jie)地(di)阻塞,則電(dian)流將(jiang)通過接(jie)(jie)地(di)體流入(ru)地(di)下。實驗表(biao)明,穿(chuan)過地(di)球(qiu)(qiu)的(de)(de)電(dian)位為(wei)(wei)(wei)零(ling),因此(ci)穿(chuan)過地(di)球(qiu)(qiu)的(de)(de)電(dian)位為(wei)(wei)(wei)零(ling)。因此(ci),在(zai)(zai)施加電(dian)能(neng)時要使用(yong)手動操作(zuo),以(yi)(yi)防止(zhi)所有(you)接(jie)(jie)觸體接(jie)(jie)地(di)。無(wu)論環境(jing)如何(he),電(dian)勢均為(wei)(wei)(wei)零(ling),并(bing)且用(yong)電(dian)安(an)全。因此(ci),接(jie)(jie)地(di)的(de)(de)主要作(zuo)用(yong)是保護人員和(he)設(she)(she)(she)備(bei)的(de)(de)安(an)全。