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箱體的主(zhu)要設備使(shi)用(yong)家用(yong)電器(qi),例如真空控制柜,干(gan)式變(bian)壓(ya)器(qi),干(gan)式變(bian)壓(ya)器(qi),真空斷路器(qi)(彈簧操作機(ji)構),并且產品沒有(you)裸露的帶電部件。它是全(quan)邊緣結構,可完全(quan)導致零電擊事(shi)故(gu)。整個站可以實現高度安全(quan)的無(wu)油運行。第二次,集成到微計算機(ji)中的自動化系統用(yong)于(yu)實現無(wu)人(ren)值守的操作。
建議出(chu)于(yu)美(mei)觀(guan)原因,應使用鋼管(guan)(guan)敷設10 kV電(dian)(dian)(dian)(dian)(dian)纜出(chu)口。變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站中的(de)10 kV箱式配電(dian)(dian)(dian)(dian)(dian)站外殼(ke)通(tong)常(chang)用水泥鋪成(cheng),并且10 kV線(xian)路終端通(tong)常(chang)在變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站壁外10 m。如果將(jiang)電(dian)(dian)(dian)(dian)(dian)纜直接(jie)埋在地(di)下并引(yin)到(dao)(dao)電(dian)(dian)(dian)(dian)(dian)線(xian)桿上,則很難(nan)進行(xing)維護(hu)(hu)。因此,應將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)纜插座(zuo)穿(chuan)過(guo)(guo)鋼管(guan)(guan),以使用戶易于(yu)維護(hu)(hu)。如果10 kV線(xian)路的(de)連(lian)接(jie)極遠(yuan)離變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站,則必須通(tong)過(guo)(guo)鋼管(guan)(guan)將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)纜的(de)出(chu)線(xian)口從機殼(ke)鋪設到(dao)(dao)變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站的(de)墻壁。在電(dian)(dian)(dian)(dian)(dian)纜出(chu)口末端的(de)線(xian)路接(jie)線(xian)柱(zhu)上安裝了新的(de)電(dian)(dian)(dian)(dian)(dian)涌保護(hu)(hu)器,以避免過(guo)(guo)電(dian)(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(sheng)產廠家建議它還可(ke)以(yi)(yi)(yi)安裝在(zai)35 kV設(she)備(bei),10 kV設(she)備(bei)的(de)(de)(de)室外以(yi)(yi)(yi)及控制和保護系統箱體。這種組合方法特別(bie)適用于將舊(jiu)站點轉(zhuan)換為(wei)農(nong)村(cun)電(dian)網的(de)(de)(de)轉(zhuan)換,即原始的(de)(de)(de)35 kV設(she)備(bei)不動(dong)(dong),僅安裝10 kV配電(dian)箱。可(ke)以(yi)(yi)(yi)滿(man)足無人(ren)值守的(de)(de)(de)要求(qiu)。如(ru)果電(dian)氣(qi)設(she)備(bei)在(zai)運行過(guo)(guo)程中被接(jie)(jie)地阻塞,則(ze)電(dian)流(liu)將通過(guo)(guo)接(jie)(jie)地體流(liu)入地下。實驗(yan)表明,穿過(guo)(guo)地球的(de)(de)(de)電(dian)位(wei)為(wei)零(ling),因(yin)此(ci)(ci)穿過(guo)(guo)地球的(de)(de)(de)電(dian)位(wei)為(wei)零(ling)。因(yin)此(ci)(ci),在(zai)施加(jia)電(dian)能時要使用手動(dong)(dong)操作,以(yi)(yi)(yi)防(fang)止所有接(jie)(jie)觸體接(jie)(jie)地。無論環境如(ru)何,電(dian)勢(shi)均為(wei)零(ling),并且用電(dian)安全(quan)。因(yin)此(ci)(ci),接(jie)(jie)地的(de)(de)(de)主要作用是(shi)保護人(ren)員和設(she)備(bei)的(de)(de)(de)安全(quan)。