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箱體的(de)主要設(she)備使(shi)用家用電(dian)器,例如(ru)真(zhen)空(kong)控制柜,干式變壓器,干式變壓器,真(zhen)空(kong)斷路器(彈(dan)簧操(cao)作(zuo)機(ji)構),并且產品沒有裸(luo)露的(de)帶(dai)電(dian)部件。它是全邊緣結構,可(ke)完全導(dao)致零電(dian)擊事(shi)故。整個站可(ke)以(yi)實(shi)現(xian)高(gao)度安全的(de)無(wu)油運行(xing)。第二(er)次,集成到(dao)微計算機(ji)中的(de)自動化系統(tong)用于實(shi)現(xian)無(wu)人值守的(de)操(cao)作(zuo)。
建議出(chu)(chu)(chu)于美觀原因(yin),應使用鋼(gang)(gang)(gang)管(guan)敷設10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)(chu)(chu)口。變(bian)電(dian)(dian)(dian)(dian)站中的(de)(de)10 kV箱式配(pei)電(dian)(dian)(dian)(dian)站外(wai)殼通常(chang)用水(shui)泥鋪成,并且10 kV線(xian)路(lu)終端通常(chang)在變(bian)電(dian)(dian)(dian)(dian)站壁外(wai)10 m。如(ru)果將(jiang)(jiang)電(dian)(dian)(dian)(dian)纜(lan)(lan)直接埋(mai)在地下(xia)并引到電(dian)(dian)(dian)(dian)線(xian)桿上,則很難進行維護(hu)。因(yin)此,應將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)插座穿過鋼(gang)(gang)(gang)管(guan),以(yi)使用戶易于維護(hu)。如(ru)果10 kV線(xian)路(lu)的(de)(de)連接極遠離變(bian)電(dian)(dian)(dian)(dian)站,則必須(xu)通過鋼(gang)(gang)(gang)管(guan)將(jiang)(jiang)10 kV電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)出(chu)(chu)(chu)線(xian)口從(cong)機殼鋪設到變(bian)電(dian)(dian)(dian)(dian)站的(de)(de)墻壁。在電(dian)(dian)(dian)(dian)纜(lan)(lan)出(chu)(chu)(chu)口末(mo)端的(de)(de)線(xian)路(lu)接線(xian)柱(zhu)上安裝了新的(de)(de)電(dian)(dian)(dian)(dian)涌保護(hu)器,以(yi)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。生產廠家建議它還(huan)可(ke)以(yi)安(an)(an)裝(zhuang)在(zai)35 kV設(she)備,10 kV設(she)備的(de)(de)(de)室外以(yi)及控制(zhi)和保護系統箱體。這(zhe)種(zhong)組合(he)方法特別適用(yong)于將舊站點轉換為(wei)農村電(dian)(dian)(dian)網的(de)(de)(de)轉換,即原(yuan)始的(de)(de)(de)35 kV設(she)備不動,僅安(an)(an)裝(zhuang)10 kV配電(dian)(dian)(dian)箱。可(ke)以(yi)滿足無(wu)人(ren)值(zhi)守的(de)(de)(de)要(yao)求。如(ru)(ru)果電(dian)(dian)(dian)氣設(she)備在(zai)運行過(guo)程中(zhong)被接(jie)地(di)阻塞,則電(dian)(dian)(dian)流將通過(guo)接(jie)地(di)體流入地(di)下。實驗(yan)表明,穿過(guo)地(di)球的(de)(de)(de)電(dian)(dian)(dian)位(wei)為(wei)零,因(yin)此穿過(guo)地(di)球的(de)(de)(de)電(dian)(dian)(dian)位(wei)為(wei)零。因(yin)此,在(zai)施加電(dian)(dian)(dian)能時要(yao)使用(yong)手動操作,以(yi)防止(zhi)所有接(jie)觸體接(jie)地(di)。無(wu)論環境(jing)如(ru)(ru)何,電(dian)(dian)(dian)勢均為(wei)零,并且用(yong)電(dian)(dian)(dian)安(an)(an)全。因(yin)此,接(jie)地(di)的(de)(de)(de)主要(yao)作用(yong)是(shi)保護人(ren)員(yuan)和設(she)備的(de)(de)(de)安(an)(an)全。