對于配電變(bian)壓器(qi)(qi)容量(liang)在(zai)(zai)100kV·A及以上的配電箱(xiang)(xiang)(xiang)體(ti)，在(zai)(zai)箱(xiang)(xiang)(xiang)內(nei)散熱窗靠側壁處，應考慮到安裝溫(wen)(wen)控繼電器(qi)(qi)（JU-3型(xing)或(huo)JU-4超(chao)小型(xing)溫(wen)(wen)度繼電器(qi)(qi)）和軸流風機，安裝在(zai)(zai)控制電器(qi)(qi)板上方左側面的箱(xiang)(xiang)(xiang)體(ti)上，以便使(shi)箱(xiang)(xiang)(xiang)內(nei)溫(wen)(wen)度達到一(yi)定(ding)值時（如40℃）能自動啟(qi)動排(pai)氣扇，強行排(pai)出熱量(liang)以使(shi)箱(xiang)(xiang)(xiang)體(ti)散熱。

政府大力度的(de)扶持(chi)和推進，刺激了眾多企業(ye)(ye)(ye)對于充(chong)電(dian)(dian)(dian)樁(zhuang)產業(ye)(ye)(ye)的(de)期待(dai)。 一位(wei)行業(ye)(ye)(ye)人(ren)士表示，除了國(guo)家(jia)電(dian)(dian)(dian)網、南方電(dian)(dian)(dian)網、中(zhong)石(shi)化等能源巨頭外，汽(qi)車(che)企業(ye)(ye)(ye)和電(dian)(dian)(dian)氣生產企業(ye)(ye)(ye)積(ji)極性都很高(gao)。像比亞迪、北汽(qi)這類電(dian)(dian)(dian)動(dong)車(che)企業(ye)(ye)(ye)早已(yi)開(kai)始建(jian)設(she)通用(yong)充(chong)電(dian)(dian)(dian)樁(zhuang)，許繼(ji)電(dian)(dian)(dian)氣、西門子這類行業(ye)(ye)(ye)內企業(ye)(ye)(ye)也已(yi)開(kai)始開(kai)發(fa)或投資(zi)充(chong)電(dian)(dian)(dian)站的(de)建(jian)設(she)。按照相關測(ce)算，未來5年(nian)(nian)內，充(chong)電(dian)(dian)(dian)站的(de)營業(ye)(ye)(ye)規模每年(nian)(nian)有望超(chao)過千億(yi)。從(cong)國(guo)家(jia)今年(nian)(nian)的(de)各項(xiang)動(dong)作來看，電(dian)(dian)(dian)動(dong)車(che)的(de)充(chong)電(dian)(dian)(dian)基(ji)礎設(she)施(shi)建(jian)設(she)將(jiang)在今年(nian)(nian)爆發(fa)。

配電(dian)(dian)(dian)(dian)箱中的(de)低(di)壓電(dian)(dian)(dian)(dian)器(qi)，由(you)熔斷器(qi)、交(jiao)流接觸器(qi)、剩余(yu)電(dian)(dian)(dian)(dian)流動作保(bao)護器(qi)、電(dian)(dian)(dian)(dian)容器(qi)及(ji)計量表等組成(cheng)。周圍(wei)空(kong)(kong)氣(qi)溫(wen)(wen)(wen)度(du)(du)的(de)上(shang)限(xian)不(bu)(bu)超(chao)過40℃；周圍(wei)空(kong)(kong)氣(qi)溫(wen)(wen)(wen)度(du)(du)24h的(de)平均值不(bu)(bu)超(chao)過35℃；周圍(wei)空(kong)(kong)氣(qi)溫(wen)(wen)(wen)度(du)(du)的(de)下限(xian)不(bu)(bu)低(di)于-5℃或-25℃。農網改造的(de)配電(dian)(dian)(dian)(dian)箱在室外運行，它不(bu)(bu)但受到陽光的(de)直(zhi)接照射產生高溫(wen)(wen)(wen)，同時運行中自身(shen)也會產生熱量，所以在盛夏高溫(wen)(wen)(wen)季(ji)節(jie)，箱體內的(de)溫(wen)(wen)(wen)度(du)(du)將會達到60℃以上(shang)，這時的(de)溫(wen)(wen)(wen)度(du)(du)大(da)大(da)超(chao)過了這些電(dian)(dian)(dian)(dian)器(qi)規定的(de)環境(jing)溫(wen)(wen)(wen)度(du)(du)

必須選用符合GB 6829《剩余電流動作保護器的一般要求》標準、并經中國電工產品認證委員會認證合格的產品。訂做分體式充電樁可選用類似LJM（J）系列節電型、且是低靈敏度的延時型保護器。分體式充電樁廠家保(bao)護器裝置的(de)(de)(de)方(fang)式要符合國(guo)家GB13955-2005《剩(sheng)余電(dian)流(liu)動(dong)作保(bao)護裝置的(de)(de)(de)安裝和運行》標(biao)準。漏(lou)電(dian)保(bao)護器的(de)(de)(de)分斷時間(jian)，當漏(lou)電(dian)電(dian)流(liu)為額(e)定漏(lou)電(dian)電(dian)流(liu)時，其動(dong)作時間(jian)不應大于0.s。

配電箱(xiang)具有體(ti)積(ji)小、安裝簡(jian)便(bian)，技(ji)術性(xing)能(neng)特殊、位置固定，配置功能(neng)獨特、不受(shou)場(chang)地限(xian)制(zhi)，應用(yong)比(bi)較普遍，操作穩定可靠，空間(jian)利用(yong)率高(gao)，占地少且具有環保效應的(de)(de)特點。是(shi)(shi)(shi)指揮(hui)供(gong)電線路(lu)中各種元(yuan)器件合(he)理(li)分配電能(neng)的(de)(de)控制(zhi)中心，是(shi)(shi)(shi)可靠接納上端電源(yuan)，正(zheng)確饋出荷載電能(neng)的(de)(de)控制(zhi)環節，也是(shi)(shi)(shi)獲取用(yong)戶對供(gong)電質(zhi)量滿意與否的(de)(de)關鍵。提高(gao)動力配電箱(xiang)的(de)(de)操作可靠性(xing)，是(shi)(shi)(shi)創優(you)質(zhi)工程的(de)(de)目標。

充(chong)(chong)電(dian)(dian)(dian)樁(zhuang)其(qi)功(gong)能類似于加油站(zhan)里面的加油機(ji)，可以固定(ding)在地面或墻壁，安裝于公共建筑（公共樓宇、商場(chang)、公共停車場(chang)等）和(he)居民(min)小區停車場(chang)或充(chong)(chong)電(dian)(dian)(dian)站(zhan)內，可以根據不同(tong)的電(dian)(dian)(dian)壓等級為各種(zhong)型(xing)號的電(dian)(dian)(dian)動汽車充(chong)(chong)電(dian)(dian)(dian)。充(chong)(chong)電(dian)(dian)(dian)樁(zhuang)的輸(shu)入端與交流電(dian)(dian)(dian)網直(zhi)接連接，輸(shu)出(chu)端都裝有充(chong)(chong)電(dian)(dian)(dian)插(cha)頭(tou)用于為電(dian)(dian)(dian)動汽車充(chong)(chong)電(dian)(dian)(dian)