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箱式變電站的概述和應用:箱式變電站由于其組合靈活,運輸,遷移,安裝方便,施工時間短,運行成本低和占用空間小等優點,也被稱為完整的室外變電站。人們普遍認識到環保和免維護的(de)好(hao)處。建(jian)(jian)造(zao)農村(cun)電(dian)(dian)(dian)(dian)網(wang)(改造(zao))時,它通常用于輕型中小型10-110 kV變(bian)(bian)電(dian)(dian)(dian)(dian)站(配電(dian)(dian)(dian)(dian))變(bian)(bian)電(dian)(dian)(dian)(dian)站,工(gong)廠和礦山以(yi)及城市和農村(cun)地區(qu)的(de)移動(dong)運營變(bian)(bian)電(dian)(dian)(dian)(dian)站的(de)建(jian)(jian)設(she)和改造(zao)可以(yi)穿透負載中心并(bing)減(jian)小電(dian)(dian)(dian)(dian)源半徑,提高(gao)終端(duan)電(dian)(dian)(dian)(dian)壓的(de)質(zhi)量,特別適(shi)合于農村(cun)電(dian)(dian)(dian)(dian)網(wang)的(de)改造(zao),這在(zai)21世紀被稱為變(bian)(bian)電(dian)(dian)(dian)(dian)站建(jian)(jian)設(she)的(de)目標模式。
高壓配電柜闡述(shu)當(dang)變壓器的(de)初級繞組通電時,由線(xian)圈產生(sheng)的(de)磁通量在(zai)鐵(tie)(tie)芯(xin)中流動。因為(wei)鐵(tie)(tie)芯(xin)本身(shen)也是導體,所以(yi)(yi)在(zai)垂直(zhi)于(yu)磁力線(xian)的(de)平面中感應(ying)出電勢。該電勢在(zai)鐵(tie)(tie)芯(xin)的(de)橫截面中形成一個閉(bi)環并(bing)產生(sheng)電能(neng)。它似(si)乎是一個渦(wo)(wo)旋(xuan),因此被稱為(wei)“渦(wo)(wo)旋(xuan)”。這(zhe)種(zhong)“渦(wo)(wo)電流”增加了變壓器的(de)損耗以(yi)(yi)及變壓器的(de)鐵(tie)(tie)心加熱變壓器的(de)溫度上升。由“渦(wo)(wo)流”引(yin)起的(de)損失稱為(wei)“鐵(tie)(tie)損”。
智能箱式變電站的外(wai)殼(ke)材料有(you)夾(jia)層(ceng)彩鋼(gang)(gang)復(fu)合板(ban)(ban)(ban)(ban),不銹(xiu)鋼(gang)(gang)板(ban)(ban)(ban)(ban),普(pu)通(tong)鋼(gang)(gang)板(ban)(ban)(ban)(ban),鋁(lv)鋅(xin)板(ban)(ban)(ban)(ban),SMC纖維(wei)(wei)增強(qiang)不飽(bao)和(he)(he)聚(ju)酯復(fu)合箱,GRC玻璃纖維(wei)(wei)增強(qiang)水(shui)泥托盤等。夾(jia)層(ceng)彩鋼(gang)(gang)復(fu)合板(ban)(ban)(ban)(ban)的顏色可(ke)以更(geng)改輕松適應(ying)環境。不銹(xiu)鋼(gang)(gang)和(he)(he)鍍鋁(lv)鋅(xin)的鋼(gang)(gang)不易生(sheng)銹(xiu),但成本高(gao)(gao)。普(pu)通(tong)鋼(gang)(gang)板(ban)(ban)(ban)(ban)容易生(sheng)銹(xiu),但成本低。 SMC纖維(wei)(wei)增強(qiang)不飽(bao)和(he)(he)聚(ju)酯復(fu)合盒,GRC玻璃纖維(wei)(wei)增強(qiang)水(shui)泥殼(ke)由一種(zhong)新型(xing)材料組成,該(gai)材料具(ju)有(you)較高(gao)(gao)的機械強(qiang)度(du),抗(kang)沖擊性,抗(kang)凍性,抗(kang)裂性,抗(kang)腐(fu)蝕,阻燃性等,并且具(ju)有(you)美觀(guan)的外(wai)觀(guan)。