配電箱是數據上的海量參數，訂做汽車充電樁一般是構成低壓林按電氣接線，要求將開關設備、測量儀表、汽車充電樁哪家好保護電(dian)器和輔(fu)助(zhu)設備(bei)組裝在封(feng)閉(bi)或(huo)半封(feng)閉(bi)金屬柜中或(huo)屏幅上，構成低壓(ya)配電(dian)箱。正(zheng)常運行時可借助(zhu)手(shou)動(dong)(dong)或(huo)自動(dong)(dong)開關接(jie)通或(huo)分斷(duan)電(dian)路(lu)。

在一(yi)條距離比較長的(de)線(xian)路上有多根小面(mian)積電纜(lan)(lan)(lan)往(wang)往(wang)會造成電纜(lan)(lan)(lan)使(shi)(shi)用(yong)(yong)浪費(fei)，于是在出(chu)線(xian)到用(yong)(yong)電負荷(he)(he)中(zhong)(zhong)，往(wang)往(wang)使(shi)(shi)用(yong)(yong)主干大電纜(lan)(lan)(lan)出(chu)線(xian)，然后在接(jie)近負荷(he)(he)的(de)時(shi)候，使(shi)(shi)用(yong)(yong)電纜(lan)(lan)(lan)分支箱將(jiang)主干電纜(lan)(lan)(lan)分成若干小面(mian)積，電纜(lan)(lan)(lan)，由小面(mian)積電纜(lan)(lan)(lan)接(jie)入(ru)負荷(he)(he)。這樣的(de)接(jie)線(xian)方式廣泛用(yong)(yong)于城市電網中(zhong)(zhong)的(de)路燈等供(gong)電、小用(yong)(yong)戶供(gong)電。

配電變壓(ya)(ya)器(qi)(qi)的(de)(de)低壓(ya)(ya)側總(zong)過(guo)(guo)流(liu)(liu)(liu)(liu)保護(hu)(hu)熔(rong)斷器(qi)(qi)的(de)(de)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)，應(ying)大于配電變壓(ya)(ya)器(qi)(qi)的(de)(de)低壓(ya)(ya)側額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)，一般取額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)的(de)(de)1.5倍，熔(rong)體的(de)(de)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)應(ying)按變壓(ya)(ya)器(qi)(qi)允許的(de)(de)過(guo)(guo)負(fu)荷倍數和熔(rong)斷器(qi)(qi)特性(xing)確定(ding)(ding)(ding)(ding)(ding)。出(chu)線回(hui)路過(guo)(guo)流(liu)(liu)(liu)(liu)保護(hu)(hu)熔(rong)斷器(qi)(qi)的(de)(de)熔(rong)體額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)，不應(ying)大于總(zong)過(guo)(guo)流(liu)(liu)(liu)(liu)保護(hu)(hu)熔(rong)斷器(qi)(qi)的(de)(de)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)，熔(rong)體的(de)(de)額(e)(e)定(ding)(ding)(ding)(ding)(ding)電流(liu)(liu)(liu)(liu)按回(hui)路正(zheng)常最大負(fu)荷電流(liu)(liu)(liu)(liu)選(xuan)擇，并(bing)應(ying)躲過(guo)(guo)正(zheng)常的(de)(de)尖峰電流(liu)(liu)(liu)(liu)。

隨著(zhu)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)子技(ji)術(shu)和變(bian)流(liu)控(kong)制技(ji)術(shu)的飛速發(fa)展，高精度可控(kong)變(bian)流(liu)技(ji)術(shu)的成(cheng)熟和普及，分(fen)階(jie)段(duan)恒(heng)(heng)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)(shi)已經基(ji)本被充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)和充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)連續變(bian)化(hua)的恒(heng)(heng)壓(ya)限(xian)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)(shi)取代。主導充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)工藝的還是(shi)恒(heng)(heng)壓(ya)限(xian)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)(shi)。接(jie)觸式(shi)(shi)(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)的最大問題在于(yu)它的安全(quan)(quan)性(xing)和通用性(xing)。為了使(shi)它滿足嚴(yan)格的安全(quan)(quan)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)標準(zhun)，必(bi)須(xu)在電(dian)(dian)(dian)(dian)(dian)路上(shang)采用許多措施使(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)設備能夠(gou)在各種(zhong)環境下安全(quan)(quan)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)，恒(heng)(heng)壓(ya)限(xian)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)和分(fen)階(jie)段(duan)恒(heng)(heng)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)均屬(shu)于(yu)接(jie)觸式(shi)(shi)(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)技(ji)術(shu)。新(xin)型的電(dian)(dian)(dian)(dian)(dian)動汽車感應(ying)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)技(ji)術(shu)發(fa)展很(hen)快(kuai)。