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箱體的主(zhu)要(yao)設備使用家用電(dian)器(qi)(qi),例(li)如真(zhen)空(kong)控(kong)制柜(ju),干式(shi)變壓器(qi)(qi),干式(shi)變壓器(qi)(qi),真(zhen)空(kong)斷路(lu)器(qi)(qi)(彈簧操(cao)作機構),并且產品(pin)沒有(you)裸露(lu)的帶(dai)電(dian)部(bu)件(jian)。它(ta)是(shi)全邊緣結構,可完全導致零電(dian)擊事故。整個站可以(yi)實(shi)現(xian)高(gao)度安全的無油運(yun)行。第二次(ci),集(ji)成到微計算機中的自動(dong)化系統用于實(shi)現(xian)無人值守的操(cao)作。
建(jian)議出(chu)于美觀原因(yin),應使(shi)用鋼(gang)(gang)管敷設10 kV電(dian)(dian)(dian)纜(lan)出(chu)口。變(bian)電(dian)(dian)(dian)站(zhan)中(zhong)的10 kV箱式配電(dian)(dian)(dian)站(zhan)外殼通(tong)常(chang)用水泥(ni)鋪成,并且10 kV線(xian)路終(zhong)端(duan)通(tong)常(chang)在(zai)變(bian)電(dian)(dian)(dian)站(zhan)壁(bi)(bi)外10 m。如(ru)(ru)果將(jiang)電(dian)(dian)(dian)纜(lan)直(zhi)接(jie)埋在(zai)地(di)下并引到(dao)電(dian)(dian)(dian)線(xian)桿(gan)上,則很難(nan)進(jin)行維(wei)護。因(yin)此,應將(jiang)10 kV電(dian)(dian)(dian)纜(lan)插座穿過鋼(gang)(gang)管,以使(shi)用戶易(yi)于維(wei)護。如(ru)(ru)果10 kV線(xian)路的連接(jie)極(ji)遠(yuan)離變(bian)電(dian)(dian)(dian)站(zhan),則必須(xu)通(tong)過鋼(gang)(gang)管將(jiang)10 kV電(dian)(dian)(dian)纜(lan)的出(chu)線(xian)口從(cong)機殼鋪設到(dao)變(bian)電(dian)(dian)(dian)站(zhan)的墻壁(bi)(bi)。在(zai)電(dian)(dian)(dian)纜(lan)出(chu)口末端(duan)的線(xian)路接(jie)線(xian)柱(zhu)上安裝了新的電(dian)(dian)(dian)涌保(bao)護器,以避免過電(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(sheng)產廠家建議它還可以(yi)(yi)安裝(zhuang)在(zai)35 kV設(she)備(bei),10 kV設(she)備(bei)的室外以(yi)(yi)及(ji)控制(zhi)和保護系統(tong)箱(xiang)體(ti)。這(zhe)種組合方法(fa)特別適用(yong)于將(jiang)舊站點轉(zhuan)換為(wei)(wei)農村電(dian)(dian)(dian)網的轉(zhuan)換,即(ji)原始的35 kV設(she)備(bei)不動,僅(jin)安裝(zhuang)10 kV配電(dian)(dian)(dian)箱(xiang)。可以(yi)(yi)滿足無人值(zhi)守的要(yao)(yao)求。如果電(dian)(dian)(dian)氣(qi)設(she)備(bei)在(zai)運行過(guo)(guo)程中被接(jie)地(di)(di)(di)阻塞,則(ze)電(dian)(dian)(dian)流(liu)將(jiang)通過(guo)(guo)接(jie)地(di)(di)(di)體(ti)流(liu)入(ru)地(di)(di)(di)下。實驗表明,穿過(guo)(guo)地(di)(di)(di)球的電(dian)(dian)(dian)位為(wei)(wei)零,因(yin)(yin)(yin)此穿過(guo)(guo)地(di)(di)(di)球的電(dian)(dian)(dian)位為(wei)(wei)零。因(yin)(yin)(yin)此,在(zai)施加電(dian)(dian)(dian)能時(shi)要(yao)(yao)使用(yong)手動操(cao)作,以(yi)(yi)防止所有接(jie)觸體(ti)接(jie)地(di)(di)(di)。無論(lun)環境如何,電(dian)(dian)(dian)勢均為(wei)(wei)零,并且用(yong)電(dian)(dian)(dian)安全(quan)。因(yin)(yin)(yin)此,接(jie)地(di)(di)(di)的主(zhu)要(yao)(yao)作用(yong)是保護人員和設(she)備(bei)的安全(quan)。