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箱體(ti)的(de)主(zhu)要設備使用家用電器(qi),例如真空(kong)控制柜(ju),干式變壓器(qi),干式變壓器(qi),真空(kong)斷路(lu)器(qi)(彈簧操作機構(gou)),并(bing)且(qie)產(chan)品沒有裸露的(de)帶(dai)電部件。它是全邊緣(yuan)結構(gou),可完(wan)全導致零電擊(ji)事(shi)故。整個站可以(yi)實(shi)現高(gao)度安全的(de)無(wu)油(you)運行。第(di)二(er)次,集(ji)成到微計算機中的(de)自動化系統用于(yu)實(shi)現無(wu)人值守的(de)操作。
建議出于美觀原因,應使用(yong)鋼(gang)管(guan)敷設(she)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)出口。變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站中的(de)(de)10 kV箱(xiang)式配電(dian)(dian)(dian)(dian)(dian)(dian)站外殼通常用(yong)水(shui)泥鋪成(cheng),并且10 kV線路(lu)終端通常在變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站壁外10 m。如果將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)直接埋(mai)在地下(xia)并引到電(dian)(dian)(dian)(dian)(dian)(dian)線桿上(shang),則(ze)很難進行維護(hu)。因此,應將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)插(cha)座穿過鋼(gang)管(guan),以使用(yong)戶(hu)易(yi)于維護(hu)。如果10 kV線路(lu)的(de)(de)連接極遠(yuan)離變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站,則(ze)必(bi)須通過鋼(gang)管(guan)將(jiang)10 kV電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)出線口從機殼鋪設(she)到變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)站的(de)(de)墻(qiang)壁。在電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)出口末端的(de)(de)線路(lu)接線柱上(shang)安裝了(le)新的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)涌保(bao)護(hu)器,以避免過電(dian)(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(chan)廠(chang)家建議它還可以(yi)(yi)安裝在(zai)35 kV設(she)備(bei),10 kV設(she)備(bei)的室外以(yi)(yi)及控制和(he)(he)保護系統(tong)箱體(ti)。這種(zhong)組合方法特(te)別適用(yong)于將(jiang)舊站(zhan)點轉換為(wei)(wei)農村(cun)電(dian)(dian)(dian)網的轉換,即原始(shi)的35 kV設(she)備(bei)不動,僅(jin)安裝10 kV配電(dian)(dian)(dian)箱。可以(yi)(yi)滿足無(wu)人值(zhi)守的要(yao)求。如(ru)(ru)果電(dian)(dian)(dian)氣設(she)備(bei)在(zai)運(yun)行過(guo)程中被(bei)接地(di)阻塞(sai),則電(dian)(dian)(dian)流(liu)將(jiang)通過(guo)接地(di)體(ti)流(liu)入地(di)下。實驗表(biao)明(ming),穿過(guo)地(di)球(qiu)的電(dian)(dian)(dian)位為(wei)(wei)零,因此穿過(guo)地(di)球(qiu)的電(dian)(dian)(dian)位為(wei)(wei)零。因此,在(zai)施加電(dian)(dian)(dian)能時要(yao)使(shi)用(yong)手動操作(zuo),以(yi)(yi)防止(zhi)所有接觸體(ti)接地(di)。無(wu)論環境如(ru)(ru)何,電(dian)(dian)(dian)勢(shi)均為(wei)(wei)零,并且用(yong)電(dian)(dian)(dian)安全。因此,接地(di)的主要(yao)作(zuo)用(yong)是保護人員和(he)(he)設(she)備(bei)的安全。