隨(sui)著(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)子技(ji)(ji)術和變流(liu)(liu)控(kong)制技(ji)(ji)術的(de)(de)飛(fei)速發展(zhan)，高精度可控(kong)變流(liu)(liu)技(ji)(ji)術的(de)(de)成熟和普及(ji)，分(fen)階(jie)段(duan)恒(heng)(heng)(heng)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)模式(shi)(shi)(shi)已經基本被充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)和充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓連續變化(hua)的(de)(de)恒(heng)(heng)(heng)壓限(xian)(xian)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)模式(shi)(shi)(shi)取代(dai)。主導充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)工(gong)藝的(de)(de)還是(shi)恒(heng)(heng)(heng)壓限(xian)(xian)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)模式(shi)(shi)(shi)。接觸(chu)式(shi)(shi)(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)最大問(wen)題在(zai)于(yu)它(ta)的(de)(de)安(an)全(quan)性和通用性。為了(le)使(shi)(shi)它(ta)滿足嚴格(ge)的(de)(de)安(an)全(quan)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)標準，必須在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)路上采用許(xu)多措施使(shi)(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)設備能夠(gou)在(zai)各種環境下安(an)全(quan)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)，恒(heng)(heng)(heng)壓限(xian)(xian)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)和分(fen)階(jie)段(duan)恒(heng)(heng)(heng)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)均屬(shu)于(yu)接觸(chu)式(shi)(shi)(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)技(ji)(ji)術。新(xin)型的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)動汽(qi)車感應充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)技(ji)(ji)術發展(zhan)很快。

配電(dian)(dian)(dian)箱(xiang)的(de)(de)(de)進(jin)出(chu)線(xian)選用(yong)(yong)低壓電(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)纜(lan)(lan)的(de)(de)(de)選擇應符合技術要求。例如30kVA、50kVA變(bian)(bian)壓器的(de)(de)(de)配電(dian)(dian)(dian)箱(xiang)的(de)(de)(de)進(jin)線(xian)使(shi)(shi)用(yong)(yong)VV22-35×4電(dian)(dian)(dian)纜(lan)(lan)，分路出(chu)線(xian)使(shi)(shi)用(yong)(yong)同規格的(de)(de)(de)VLV22-35×4電(dian)(dian)(dian)纜(lan)(lan)；80kVA、100kVA變(bian)(bian)壓器的(de)(de)(de)配電(dian)(dian)(dian)箱(xiang)的(de)(de)(de)進(jin)線(xian)分別使(shi)(shi)用(yong)(yong)VV22-50×4、VV22-70×4電(dian)(dian)(dian)纜(lan)(lan)，分路出(chu)線(xian)分別使(shi)(shi)用(yong)(yong)VLV22-50×4、VLV22-70×4電(dian)(dian)(dian)纜(lan)(lan),其電(dian)(dian)(dian)纜(lan)(lan)與(yu)銅鋁接(jie)(jie)線(xian)鼻壓接(jie)(jie)后再用(yong)(yong)螺栓與(yu)配電(dian)(dian)(dian)箱(xiang)內接(jie)(jie)線(xian)樁頭(tou)連接(jie)(jie)。

暗裝配(pei)電(dian)(dian)箱(xiang)，配(pei)電(dian)(dian)箱(xiang)嵌入墻內(nei)安裝，在砌墻時預留(liu)孔洞(dong)應比配(pei)電(dian)(dian)箱(xiang)的(de)長和寬各大20mm左右，預留(liu)的(de)深(shen)度(du)為(wei)配(pei)電(dian)(dian)箱(xiang)厚度(du)加上洞(dong)內(nei)壁抹灰的(de)厚度(du)。在圬埋配(pei)電(dian)(dian)箱(xiang)時，箱(xiang)體(ti)與墻之間填(tian)以混凝土即可把(ba)箱(xiang)體(ti)固定(ding)住。

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。專業充電樁可選用類似LJM（J）系列節電型、且是低靈敏度的延時型保護器。充電樁哪家好保(bao)護器裝置的(de)方式(shi)要(yao)符合(he)國家(jia)GB13955-2005《剩余電(dian)(dian)流動作保(bao)護裝置的(de)安裝和運行》標準。漏(lou)(lou)電(dian)(dian)保(bao)護器的(de)分(fen)斷時(shi)間(jian)，當漏(lou)(lou)電(dian)(dian)電(dian)(dian)流為(wei)額定漏(lou)(lou)電(dian)(dian)電(dian)(dian)流時(shi)，其動作時(shi)間(jian)不應大于0.s。