電動汽(qi)(qi)車(che)(che)作為一(yi)種發展(zhan)前景廣闊的(de)(de)(de)綠色交通工具(ju)，今后的(de)(de)(de)普及速(su)度會異常(chang)迅猛，未(wei)來的(de)(de)(de)市場前景也是異常(chang)巨大(da)的(de)(de)(de)。在全(quan)球能源(yuan)危(wei)機和環境危(wei)機嚴重(zhong)(zhong)的(de)(de)(de)大(da)背景下，我(wo)國(guo)政(zheng)府積極推進新能源(yuan)汽(qi)(qi)車(che)(che)的(de)(de)(de)應用(yong)與發展(zhan)，充/換(huan)電站(zhan)作為發展(zhan)電動汽(qi)(qi)車(che)(che)所必須的(de)(de)(de)重(zhong)(zhong)要(yao)(yao)配套基礎設施，具(ju)有(you)非常(chang)重(zhong)(zhong)要(yao)(yao)的(de)(de)(de)社會效(xiao)益和經濟效(xiao)益。一(yi)場興建電動汽(qi)(qi)車(che)(che)充/換(huan)電站(zhan)的(de)(de)(de)運動已(yi)經在全(quan)國(guo)范圍內展(zhan)開(kai)。

電(dian)(dian)(dian)(dian)動汽車(che)(che)(che)充(chong)(chong)電(dian)(dian)(dian)(dian)樁(zhuang)作為電(dian)(dian)(dian)(dian)動汽車(che)(che)(che)的(de)能量(liang)補給裝置(zhi)，其充(chong)(chong)電(dian)(dian)(dian)(dian)性(xing)能關(guan)系到電(dian)(dian)(dian)(dian)池(chi)組的(de)使用壽命、充(chong)(chong)電(dian)(dian)(dian)(dian)時間。這也是消費者在購買電(dian)(dian)(dian)(dian)動汽車(che)(che)(che)之前(qian)最為關(guan)心的(de)一(yi)個方面之一(yi)。實現對(dui)(dui)動力電(dian)(dian)(dian)(dian)池(chi)快速、高效、安全、合(he)理的(de)電(dian)(dian)(dian)(dian)量(liang)補給是電(dian)(dian)(dian)(dian)動汽車(che)(che)(che)充(chong)(chong)電(dian)(dian)(dian)(dian)器設計的(de)基本原則(ze)，另外，還要考慮充(chong)(chong)電(dian)(dian)(dian)(dian)器對(dui)(dui)各種動力電(dian)(dian)(dian)(dian)池(chi)的(de)適用性(xing)。

這類開關柜采用鋼板制成封閉外殼，尋甸直流充電樁進出線回路的電器元件都安裝在可抽出的抽屜中，直流充電樁哪家好構成能(neng)(neng)完成某一類(lei)供電(dian)(dian)任務的(de)(de)功能(neng)(neng)單(dan)元(yuan)。功能(neng)(neng)單(dan)元(yuan)與母線(xian)或電(dian)(dian)纜(lan)之(zhi)間(jian)，用(yong)(yong)接地的(de)(de)金屬板(ban)或塑(su)料制成的(de)(de)功能(neng)(neng)板(ban)隔(ge)開(kai)(kai)，形成母線(xian)、功能(neng)(neng)單(dan)元(yuan)和電(dian)(dian)纜(lan)三個區域。每個功能(neng)(neng)單(dan)元(yuan)之(zhi)間(jian)也(ye)有(you)(you)隔(ge)離措施(shi)。抽(chou)屜式開(kai)(kai)關柜(ju)(ju)有(you)(you)較高的(de)(de)可(ke)靠(kao)性(xing)(xing)、安全性(xing)(xing)和互換(huan)性(xing)(xing)，是比較先進的(de)(de)開(kai)(kai)關柜(ju)(ju)，開(kai)(kai)關柜(ju)(ju)多數是指抽(chou)屜式開(kai)(kai)關柜(ju)(ju)。它們適用(yong)(yong)于(yu)要求供電(dian)(dian)可(ke)靠(kao)性(xing)(xing)較高的(de)(de)工礦企業、高層建筑，作為集(ji)中(zhong)控制的(de)(de)配(pei)電(dian)(dian)中(zhong)心(xin)。

配電(dian)(dian)(dian)箱是按(an)電(dian)(dian)(dian)氣(qi)接線(xian)要求將(jiang)開(kai)關設(she)備、測量(liang)儀表，保護(hu)(hu)電(dian)(dian)(dian)器(qi)和輔(fu)助設(she)備組裝在封閉或(huo)(huo)半(ban)封閉金屬柜中或(huo)(huo)屏幅上，構成低壓(ya)配電(dian)(dian)(dian)箱。正(zheng)常(chang)運(yun)行(xing)(xing)時(shi)可(ke)借(jie)助手動或(huo)(huo)自動開(kai)關接通或(huo)(huo)分(fen)斷電(dian)(dian)(dian)路。故障或(huo)(huo)不正(zheng)常(chang)運(yun)行(xing)(xing)時(shi)借(jie)助保護(hu)(hu)電(dian)(dian)(dian)器(qi)切斷電(dian)(dian)(dian)路或(huo)(huo)報警。借(jie)測量(liang)儀表可(ke)顯示(shi)(shi)運(yun)行(xing)(xing)中的各種參數(shu)，還可(ke)對某些電(dian)(dian)(dian)氣(qi)參數(shu)進行(xing)(xing)調整(zheng)，對偏離正(zheng)常(chang)工作狀態(tai)進行(xing)(xing)提示(shi)(shi)或(huo)(huo)發出信號。

改進(jin)原配(pei)電(dian)(dian)箱的(de)低(di)壓(ya)電(dian)(dian)容(rong)器組(zu)的(de)接(jie)線方式，將其安裝位置由(you)交流(liu)接(jie)觸(chu)器上樁頭(tou)，改成接(jie)在配(pei)電(dian)(dian)箱低(di)壓(ya)進(jin)線與計(ji)(ji)量(liang)表計(ji)(ji)之間(jian)。防止因運(yun)行中電(dian)(dian)容(rong)器電(dian)(dian)路發生缺相故障或電(dian)(dian)容(rong)器損壞時，造成計(ji)(ji)量(liang)裝置計(ji)(ji)量(liang)不準(zhun)確。此(ci)外，電(dian)(dian)容(rong)器選擇型號應為BSMJ系列產(chan)品(pin)，以保證元件質(zhi)量(liang)可靠(kao)、安全(quan)運(yun)行。

在一(yi)條距離(li)比較(jiao)長(chang)的線(xian)(xian)路(lu)上有多(duo)根(gen)小面積電(dian)(dian)(dian)纜(lan)(lan)往(wang)往(wang)會造成電(dian)(dian)(dian)纜(lan)(lan)使(shi)用(yong)浪費(fei)，于是在出線(xian)(xian)到用(yong)電(dian)(dian)(dian)負荷(he)中(zhong)(zhong)，往(wang)往(wang)使(shi)用(yong)主干大電(dian)(dian)(dian)纜(lan)(lan)出線(xian)(xian)，然后在接(jie)近負荷(he)的時候，使(shi)用(yong)電(dian)(dian)(dian)纜(lan)(lan)分(fen)支箱將主干電(dian)(dian)(dian)纜(lan)(lan)分(fen)成若(ruo)干小面積，電(dian)(dian)(dian)纜(lan)(lan)，由小面積電(dian)(dian)(dian)纜(lan)(lan)接(jie)入負荷(he)。這樣(yang)的接(jie)線(xian)(xian)方式(shi)廣泛(fan)用(yong)于城(cheng)市(shi)電(dian)(dian)(dian)網中(zhong)(zhong)的路(lu)燈等供電(dian)(dian)(dian)、小用(yong)戶供電(dian)(dian)(dian)。