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箱體的(de)(de)主要設備使(shi)用(yong)(yong)家用(yong)(yong)電器,例(li)如真空控制柜(ju),干(gan)式變壓(ya)器,干(gan)式變壓(ya)器,真空斷路器(彈(dan)簧操(cao)作機構),并(bing)且產品沒有裸(luo)露的(de)(de)帶(dai)電部件。它是全邊緣(yuan)結構,可完(wan)全導(dao)致零(ling)電擊事故。整個站(zhan)可以(yi)實(shi)(shi)現高度安(an)全的(de)(de)無(wu)油(you)運行。第二(er)次(ci),集成(cheng)到微計算機中的(de)(de)自(zi)動(dong)化系統(tong)用(yong)(yong)于實(shi)(shi)現無(wu)人值守(shou)的(de)(de)操(cao)作。
建議出(chu)于(yu)美(mei)觀原(yuan)因(yin)(yin),應(ying)使(shi)用鋼(gang)管(guan)敷(fu)設10 kV電(dian)(dian)(dian)纜出(chu)口。變電(dian)(dian)(dian)站(zhan)中的(de)10 kV箱式(shi)配電(dian)(dian)(dian)站(zhan)外殼通(tong)(tong)常(chang)用水泥鋪成,并且10 kV線(xian)路終端通(tong)(tong)常(chang)在變電(dian)(dian)(dian)站(zhan)壁外10 m。如果(guo)(guo)將(jiang)(jiang)電(dian)(dian)(dian)纜直接埋在地下并引到電(dian)(dian)(dian)線(xian)桿(gan)上,則(ze)很難進行維護(hu)。因(yin)(yin)此(ci),應(ying)將(jiang)(jiang)10 kV電(dian)(dian)(dian)纜插座穿過(guo)鋼(gang)管(guan),以(yi)使(shi)用戶易于(yu)維護(hu)。如果(guo)(guo)10 kV線(xian)路的(de)連(lian)接極遠離變電(dian)(dian)(dian)站(zhan),則(ze)必須通(tong)(tong)過(guo)鋼(gang)管(guan)將(jiang)(jiang)10 kV電(dian)(dian)(dian)纜的(de)出(chu)線(xian)口從機殼鋪設到變電(dian)(dian)(dian)站(zhan)的(de)墻壁。在電(dian)(dian)(dian)纜出(chu)口末端的(de)線(xian)路接線(xian)柱上安(an)裝了新(xin)的(de)電(dian)(dian)(dian)涌保護(hu)器(qi),以(yi)避免(mian)過(guo)電(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(sheng)產廠家(jia)建議(yi)它(ta)還可(ke)以安(an)(an)裝(zhuang)在35 kV設(she)(she)備(bei)(bei)(bei),10 kV設(she)(she)備(bei)(bei)(bei)的室外(wai)以及控(kong)制和保護系(xi)統箱體(ti)。這種(zhong)組(zu)合方法(fa)特別適用(yong)(yong)(yong)于將(jiang)舊站(zhan)點轉換(huan)(huan)為(wei)(wei)農村電(dian)網(wang)的轉換(huan)(huan),即原始的35 kV設(she)(she)備(bei)(bei)(bei)不(bu)動,僅安(an)(an)裝(zhuang)10 kV配電(dian)箱。可(ke)以滿足(zu)無(wu)人值守的要(yao)(yao)求。如果電(dian)氣設(she)(she)備(bei)(bei)(bei)在運(yun)行過程(cheng)中被(bei)接(jie)(jie)地(di)(di)阻塞,則電(dian)流(liu)(liu)將(jiang)通(tong)過接(jie)(jie)地(di)(di)體(ti)流(liu)(liu)入地(di)(di)下。實驗表(biao)明,穿(chuan)過地(di)(di)球的電(dian)位(wei)為(wei)(wei)零(ling),因(yin)(yin)此穿(chuan)過地(di)(di)球的電(dian)位(wei)為(wei)(wei)零(ling)。因(yin)(yin)此,在施加電(dian)能時(shi)要(yao)(yao)使用(yong)(yong)(yong)手動操作(zuo),以防止所有(you)接(jie)(jie)觸體(ti)接(jie)(jie)地(di)(di)。無(wu)論環境如何(he),電(dian)勢均為(wei)(wei)零(ling),并且用(yong)(yong)(yong)電(dian)安(an)(an)全。因(yin)(yin)此,接(jie)(jie)地(di)(di)的主要(yao)(yao)作(zuo)用(yong)(yong)(yong)是(shi)保護人員和設(she)(she)備(bei)(bei)(bei)的安(an)(an)全。