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箱體(ti)的主要設(she)備使用(yong)家用(yong)電器(qi)(qi),例如真空控制(zhi)柜,干(gan)式變(bian)壓(ya)器(qi)(qi),干(gan)式變(bian)壓(ya)器(qi)(qi),真空斷路器(qi)(qi)(彈(dan)簧操(cao)作機構(gou)),并且產(chan)品沒有(you)裸(luo)露的帶電部件。它是全(quan)(quan)邊緣(yuan)結構(gou),可完全(quan)(quan)導致零電擊事故。整個站可以實現(xian)高度(du)安(an)全(quan)(quan)的無(wu)油運(yun)行。第二次,集(ji)成到微計算機中的自動化系統用(yong)于實現(xian)無(wu)人值守的操(cao)作。
建議出(chu)于美(mei)觀原因,應使用鋼(gang)管敷設(she)10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)口(kou)(kou)。變電(dian)(dian)(dian)(dian)站中的(de)10 kV箱式配電(dian)(dian)(dian)(dian)站外殼通常用水泥(ni)鋪(pu)成(cheng),并且(qie)10 kV線(xian)(xian)路終端通常在(zai)變電(dian)(dian)(dian)(dian)站壁外10 m。如(ru)果將電(dian)(dian)(dian)(dian)纜(lan)(lan)直接(jie)埋在(zai)地下并引到電(dian)(dian)(dian)(dian)線(xian)(xian)桿上,則(ze)很難進行維護。因此,應將10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)插座穿(chuan)過鋼(gang)管,以使用戶易于維護。如(ru)果10 kV線(xian)(xian)路的(de)連(lian)接(jie)極(ji)遠離變電(dian)(dian)(dian)(dian)站,則(ze)必須(xu)通過鋼(gang)管將10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)出(chu)線(xian)(xian)口(kou)(kou)從機殼鋪(pu)設(she)到變電(dian)(dian)(dian)(dian)站的(de)墻壁。在(zai)電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)口(kou)(kou)末端的(de)線(xian)(xian)路接(jie)線(xian)(xian)柱上安裝了(le)新的(de)電(dian)(dian)(dian)(dian)涌(yong)保(bao)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(yi)它(ta)還可(ke)以(yi)安(an)(an)裝(zhuang)在(zai)(zai)35 kV設(she)(she)備(bei),10 kV設(she)(she)備(bei)的(de)(de)室外(wai)以(yi)及控(kong)制和保(bao)護系(xi)統箱體。這種組合方法(fa)特別適用于將舊站點轉(zhuan)換為農村電(dian)(dian)(dian)網的(de)(de)轉(zhuan)換,即原始的(de)(de)35 kV設(she)(she)備(bei)不動,僅安(an)(an)裝(zhuang)10 kV配電(dian)(dian)(dian)箱。可(ke)以(yi)滿足無人值(zhi)守(shou)的(de)(de)要求。如果電(dian)(dian)(dian)氣設(she)(she)備(bei)在(zai)(zai)運行(xing)過(guo)程中被接地(di)(di)阻塞,則電(dian)(dian)(dian)流(liu)將通過(guo)接地(di)(di)體流(liu)入地(di)(di)下(xia)。實驗表明(ming),穿(chuan)過(guo)地(di)(di)球的(de)(de)電(dian)(dian)(dian)位為零(ling)(ling),因(yin)(yin)此(ci)(ci)穿(chuan)過(guo)地(di)(di)球的(de)(de)電(dian)(dian)(dian)位為零(ling)(ling)。因(yin)(yin)此(ci)(ci),在(zai)(zai)施加電(dian)(dian)(dian)能時要使用手(shou)動操作,以(yi)防止所(suo)有接觸體接地(di)(di)。無論環境如何(he),電(dian)(dian)(dian)勢均為零(ling)(ling),并且用電(dian)(dian)(dian)安(an)(an)全(quan)。因(yin)(yin)此(ci)(ci),接地(di)(di)的(de)(de)主要作用是保(bao)護人員和設(she)(she)備(bei)的(de)(de)安(an)(an)全(quan)。