采用移動運營商的移動數據業務需要將電動汽車充電樁這一電網內部設備接入移動運營商的移動數據網絡，訂做JP柜需要支付昂貴的月租和年費，隨著充電樁數量的增加費用將越來越大；JP柜廠家同(tong)時數(shu)據(ju)(ju)的(de)安(an)全(quan)性(xing)和(he)網(wang)絡的(de)可靠性(xing)都(dou)受(shou)到移(yi)動(dong)(dong)運(yun)營(ying)商(shang)的(de)限制，不利于設備(bei)(bei)的(de)安(an)全(quan)運(yun)行(xing)；其次，移(yi)動(dong)(dong)運(yun)營(ying)商(shang)的(de)移(yi)動(dong)(dong)接(jie)入帶寬(kuan)屬共享(xiang)帶寬(kuan)，當局部區域有大(da)量(liang)設備(bei)(bei)接(jie)入時，其接(jie)入的(de)可靠性(xing)和(he)每個(ge)用戶的(de)平均帶寬(kuan)會惡化，不利于充(chong)電樁群的(de)密集接(jie)入、大(da)數(shu)據(ju)(ju)量(liang)的(de)數(shu)據(ju)(ju)傳輸(shu)。

配電(dian)(dian)(dian)變(bian)壓器的(de)(de)低壓側(ce)總過(guo)(guo)流(liu)(liu)保(bao)護(hu)熔斷器的(de)(de)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)，應大于配電(dian)(dian)(dian)變(bian)壓器的(de)(de)低壓側(ce)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)，一般取額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)的(de)(de)1.5倍(bei)，熔體(ti)的(de)(de)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)應按(an)變(bian)壓器允許的(de)(de)過(guo)(guo)負荷倍(bei)數和熔斷器特性確定(ding)。出線回路(lu)過(guo)(guo)流(liu)(liu)保(bao)護(hu)熔斷器的(de)(de)熔體(ti)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)，不應大于總過(guo)(guo)流(liu)(liu)保(bao)護(hu)熔斷器的(de)(de)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)，熔體(ti)的(de)(de)額(e)定(ding)電(dian)(dian)(dian)流(liu)(liu)按(an)回路(lu)正(zheng)常最大負荷電(dian)(dian)(dian)流(liu)(liu)選擇，并應躲過(guo)(guo)正(zheng)常的(de)(de)尖峰電(dian)(dian)(dian)流(liu)(liu)。

車載(zai)(zai)充(chong)(chong)電(dian)(dian)裝(zhuang)(zhuang)(zhuang)置指安裝(zhuang)(zhuang)(zhuang)在電(dian)(dian)動(dong)汽(qi)車上的(de)采用(yong)地(di)面(mian)交流電(dian)(dian)網和車載(zai)(zai)電(dian)(dian)源對電(dian)(dian)池(chi)組進行充(chong)(chong)電(dian)(dian)的(de)裝(zhuang)(zhuang)(zhuang)置，包括車載(zai)(zai)充(chong)(chong)電(dian)(dian)機(ji)、車載(zai)(zai)充(chong)(chong)電(dian)(dian)發電(dian)(dian)機(ji)組和運行能量回收(shou)充(chong)(chong)電(dian)(dian)裝(zhuang)(zhuang)(zhuang)置，將一根帶(dai)插(cha)頭的(de)交流動(dong)力電(dian)(dian)纜(lan)線直接插(cha)到(dao)電(dian)(dian)動(dong)汽(qi)車的(de)充(chong)(chong)電(dian)(dian)插(cha)座中給蓄電(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)。車載(zai)(zai)充(chong)(chong)電(dian)(dian)裝(zhuang)(zhuang)(zhuang)置通(tong)常使用(yong)結構簡單、控制(zhi)方便的(de)接觸式充(chong)(chong)電(dian)(dian)器，也可以是感(gan)應(ying)充(chong)(chong)電(dian)(dian)器。它(ta)完全按照車載(zai)(zai)蓄電(dian)(dian)池(chi)的(de)種(zhong)類進行設計，針對性(xing)較強。

電(dian)(dian)動(dong)(dong)汽車作(zuo)為一種發(fa)(fa)展前(qian)(qian)景廣闊的(de)(de)(de)綠色交通工具，今后的(de)(de)(de)普及速度會異(yi)常迅猛，未來的(de)(de)(de)市場(chang)前(qian)(qian)景也是異(yi)常巨大(da)的(de)(de)(de)。在全(quan)球(qiu)能(neng)源危機和環境危機嚴重的(de)(de)(de)大(da)背景下，我國政(zheng)府(fu)積極推進新能(neng)源汽車的(de)(de)(de)應用與發(fa)(fa)展，充/換電(dian)(dian)站作(zuo)為發(fa)(fa)展電(dian)(dian)動(dong)(dong)汽車所必(bi)須(xu)的(de)(de)(de)重要(yao)配套基礎(chu)設施，具有非(fei)常重要(yao)的(de)(de)(de)社會效(xiao)益和經(jing)濟效(xiao)益。一場(chang)興建(jian)電(dian)(dian)動(dong)(dong)汽車充/換電(dian)(dian)站的(de)(de)(de)運動(dong)(dong)已經(jing)在全(quan)國范圍(wei)內展開。