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箱體的(de)主要設備使用(yong)家用(yong)電(dian)器,例如真空(kong)(kong)控制柜,干式變(bian)壓(ya)器,干式變(bian)壓(ya)器,真空(kong)(kong)斷路器(彈簧操作(zuo)機(ji)構),并且(qie)產品(pin)沒有裸露的(de)帶電(dian)部件。它是全邊緣結(jie)構,可完全導致零電(dian)擊事故。整(zheng)個站可以實現高度安全的(de)無油(you)運(yun)行。第(di)二次,集成到微計算機(ji)中的(de)自動化系統用(yong)于實現無人值守的(de)操作(zuo)。
建議出(chu)(chu)于美觀原(yuan)因,應(ying)使用鋼管(guan)敷設(she)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)出(chu)(chu)口。變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站中的(de)10 kV箱(xiang)式配電(dian)(dian)(dian)(dian)(dian)(dian)站外(wai)殼通常(chang)用水泥鋪(pu)成,并且10 kV線路(lu)終端(duan)通常(chang)在(zai)變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站壁外(wai)10 m。如果(guo)將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)直接埋在(zai)地下并引到電(dian)(dian)(dian)(dian)(dian)(dian)線桿上,則很難進行維護(hu)。因此,應(ying)將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)插座穿(chuan)過鋼管(guan),以(yi)使用戶易于維護(hu)。如果(guo)10 kV線路(lu)的(de)連接極遠離變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站,則必須通過鋼管(guan)將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)出(chu)(chu)線口從機殼鋪(pu)設(she)到變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站的(de)墻(qiang)壁。在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)出(chu)(chu)口末端(duan)的(de)線路(lu)接線柱上安裝了新的(de)電(dian)(dian)(dian)(dian)(dian)(dian)涌保護(hu)器,以(yi)避免過電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)。
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)家建議(yi)它還可以安(an)(an)裝在(zai)35 kV設(she)備,10 kV設(she)備的(de)(de)室外以及(ji)控(kong)制和(he)保護系統箱(xiang)體(ti)。這種組合方(fang)法特別適(shi)用(yong)于將舊站點(dian)轉(zhuan)換為農村電(dian)(dian)(dian)(dian)網的(de)(de)轉(zhuan)換,即(ji)原始的(de)(de)35 kV設(she)備不動,僅安(an)(an)裝10 kV配電(dian)(dian)(dian)(dian)箱(xiang)。可以滿足無人(ren)值(zhi)守(shou)的(de)(de)要求。如果電(dian)(dian)(dian)(dian)氣設(she)備在(zai)運行過(guo)程中被接地(di)阻塞(sai),則電(dian)(dian)(dian)(dian)流將通過(guo)接地(di)體(ti)流入地(di)下。實驗表(biao)明(ming),穿過(guo)地(di)球(qiu)的(de)(de)電(dian)(dian)(dian)(dian)位(wei)為零(ling),因(yin)此穿過(guo)地(di)球(qiu)的(de)(de)電(dian)(dian)(dian)(dian)位(wei)為零(ling)。因(yin)此,在(zai)施(shi)加電(dian)(dian)(dian)(dian)能時要使用(yong)手動操(cao)作,以防止所有(you)接觸(chu)體(ti)接地(di)。無論環境如何,電(dian)(dian)(dian)(dian)勢均為零(ling),并且用(yong)電(dian)(dian)(dian)(dian)安(an)(an)全。因(yin)此,接地(di)的(de)(de)主要作用(yong)是(shi)保護人(ren)員和(he)設(she)備的(de)(de)安(an)(an)全。