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箱體(ti)的(de)(de)主要設備使用(yong)(yong)家用(yong)(yong)電器(qi)(qi),例如真(zhen)空(kong)控制柜,干式(shi)變壓(ya)器(qi)(qi),干式(shi)變壓(ya)器(qi)(qi),真(zhen)空(kong)斷路器(qi)(qi)(彈簧操作機構),并且產品沒有(you)裸(luo)露的(de)(de)帶電部件。它是全(quan)邊緣結構,可(ke)完(wan)全(quan)導(dao)致零電擊事(shi)故。整個站可(ke)以實現(xian)高度安全(quan)的(de)(de)無油(you)運行。第二次,集(ji)成到微計算機中(zhong)的(de)(de)自動化(hua)系統用(yong)(yong)于實現(xian)無人值守的(de)(de)操作。
建議出于美觀原因(yin),應使用(yong)鋼(gang)管敷設10 kV電(dian)(dian)(dian)纜(lan)出口。變(bian)電(dian)(dian)(dian)站(zhan)(zhan)中的10 kV箱(xiang)式配電(dian)(dian)(dian)站(zhan)(zhan)外殼通常用(yong)水泥(ni)鋪(pu)成,并(bing)且10 kV線路(lu)(lu)終(zhong)端通常在(zai)變(bian)電(dian)(dian)(dian)站(zhan)(zhan)壁(bi)外10 m。如(ru)果將電(dian)(dian)(dian)纜(lan)直接(jie)(jie)埋在(zai)地下并(bing)引到電(dian)(dian)(dian)線桿上,則很難進行維護(hu)(hu)。因(yin)此,應將10 kV電(dian)(dian)(dian)纜(lan)插座穿過鋼(gang)管,以(yi)(yi)使用(yong)戶易于維護(hu)(hu)。如(ru)果10 kV線路(lu)(lu)的連接(jie)(jie)極(ji)遠離(li)變(bian)電(dian)(dian)(dian)站(zhan)(zhan),則必須通過鋼(gang)管將10 kV電(dian)(dian)(dian)纜(lan)的出線口從機殼鋪(pu)設到變(bian)電(dian)(dian)(dian)站(zhan)(zhan)的墻壁(bi)。在(zai)電(dian)(dian)(dian)纜(lan)出口末(mo)端的線路(lu)(lu)接(jie)(jie)線柱上安(an)裝了新的電(dian)(dian)(dian)涌保護(hu)(hu)器,以(yi)(yi)避免過電(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。生產廠家建(jian)議(yi)它(ta)還可(ke)以安(an)(an)裝在35 kV設備,10 kV設備的(de)(de)室外以及控制和保(bao)護系統箱體。這種組合方法特別適(shi)用(yong)于將舊站(zhan)點轉換為農村電(dian)(dian)網(wang)的(de)(de)轉換,即(ji)原始的(de)(de)35 kV設備不動,僅安(an)(an)裝10 kV配電(dian)(dian)箱。可(ke)以滿足無(wu)人值守的(de)(de)要(yao)(yao)求。如(ru)果電(dian)(dian)氣設備在運行(xing)過(guo)程中(zhong)被接地(di)(di)阻塞(sai),則電(dian)(dian)流(liu)將通過(guo)接地(di)(di)體流(liu)入地(di)(di)下。實驗(yan)表(biao)明,穿過(guo)地(di)(di)球的(de)(de)電(dian)(dian)位為零(ling)(ling),因(yin)此(ci)(ci)穿過(guo)地(di)(di)球的(de)(de)電(dian)(dian)位為零(ling)(ling)。因(yin)此(ci)(ci),在施加電(dian)(dian)能(neng)時要(yao)(yao)使用(yong)手動操作,以防止所有接觸體接地(di)(di)。無(wu)論環境如(ru)何,電(dian)(dian)勢均為零(ling)(ling),并且用(yong)電(dian)(dian)安(an)(an)全(quan)。因(yin)此(ci)(ci),接地(di)(di)的(de)(de)主要(yao)(yao)作用(yong)是保(bao)護人員和設備的(de)(de)安(an)(an)全(quan)。