交流充電樁原理

交流充電樁，本質就是一個帶控制的插座，輸出的是交流電，需要車載充電機自己進行變壓整流，受限于車載充電機功率，一般功率小，3.3和(he)7kw的(de)居多。

交流充電樁功能特點

(1)人機交(jiao)互(hu)界面(mian)采用大屏(ping)幕LCD彩(cai)色觸摸(mo)屏，充(chong)(chong)電可(ke)選擇(ze)定電量、定時間(jian)、定金額(e)、自動(dong)（充(chong)(chong)滿(man)為止）4種模式；顯示(shi)當前充電(dian)(dian)(dian)模式、時(shi)間（已充電(dian)(dian)(dian)時(shi)間、剩(sheng)余充電(dian)(dian)(dian)時(shi)間）、電(dian)(dian)(dian)量(liang)（已充電(dian)(dian)(dian)電(dian)(dian)(dian)量(liang)、待充電(dian)(dian)(dian)電(dian)(dian)(dian)量(liang)）及當前計(ji)費信息。

(2)讀卡(ka)器(qi)用(yong)于身份識(shi)別、記錄電(dian)量消費信息。打印機用(yong)于消費票據打印。

(3)完備的(de)安全防護措施。

1)緊(jin)急停(ting)止充電按鈕(niu)。

2)輸出過電(dian)流保護功(gong)能。

3)輸(shu)出漏電保護功能。

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4)自動(dong)(dong)判斷充(chong)(chong)(chong)(chong)電(dian)連(lian)(lian)接器、充(chong)(chong)(chong)(chong)電(dian)電(dian)纜是否正確連(lian)(lian)接。當(dang)交流充(chong)(chong)(chong)(chong)電(dian)樁(zhuang)與電(dian)動(dong)(dong)汽車正確連(lian)(lian)接后，充(chong)(chong)(chong)(chong)電(dian)樁(zhuang)才(cai)能允許啟(qi)動(dong)(dong)充(chong)(chong)(chong)(chong)電(dian)過(guo)程；當(dang)交流充(chong)(chong)(chong)(chong)電(dian)樁(zhuang)檢測到(dao)與電(dian)動(dong)(dong)汽車連(lian)(lian)接不正常時(shi)，立即停止(zhi)充(chong)(chong)(chong)(chong)電(dian)。

5)具有阻燃功能。

直流充電樁和交流充電樁的區別

直流充電樁：直流電動汽車充電站，俗稱就是“快充”，它是固定安裝在電動汽車外，與交流電網連接，可以為非車載電動汽車動力電池提供直流電源的供電裝置。直流充電樁的輸入電壓采用三相四線AC380V±15%，頻率(lv)50Hz,輸出為(wei)可(ke)調直流(liu)電(dian)，直接為(wei)電(dian)動汽車的(de)動力(li)電(dian)池充(chong)(chong)電(dian)。由于(yu)直流(liu)充(chong)(chong)電(dian)樁(zhuang)采(cai)用三相四線制供電(dian)，可(ke)以(yi)提(ti)供足(zu)夠的(de)功率，輸出的(de)電(dian)壓和電(dian)流(liu)調整范圍大，可(ke)以(yi)實現快充(chong)(chong)的(de)要(yao)求。

交流充(chong)電樁：交流電動汽車充(chong)電樁，俗稱就是“慢充”，固定安裝在電動汽車外、與交流電網連接，為電動汽車車載充電機(即固定安裝在(zai)電(dian)動汽車(che)上的充電(dian)機)提(ti)供交(jiao)(jiao)流電(dian)(dian)源(yuan)的供電(dian)(dian)裝置。交(jiao)(jiao)流充(chong)(chong)電(dian)(dian)樁只提(ti)供電(dian)(dian)力輸(shu)出，沒有充(chong)(chong)電(dian)(dian)功能，需連接車載充(chong)(chong)電(dian)(dian)機(ji)為電(dian)(dian)動汽車充(chong)(chong)電(dian)(dian)。相當于只是起了一個控(kong)制電(dian)(dian)源(yuan)的作用的。

兩(liang)者的區別(bie)：簡單來說(shuo)，交流充電(dian)(dian)樁需(xu)要(yao)借助車載充電(dian)(dian)機來充電(dian)(dian)，直流快速充電(dian)(dian)樁不(bu)需(xu)要(yao)這個設備。二者在充電(dian)(dian)速度(du)上差(cha)別(bie)較(jiao)大，一輛純電(dian)(dian)動汽車(普通電池(chi)容量)完全放電后(hou)通過交流(liu)充電樁充滿需要8個(ge)小(xiao)時，而(er)通(tong)過直流快速(su)充電樁僅(jin)需(xu)要2到3個小時。交流充(chong)(chong)電(dian)(dian)樁給電(dian)(dian)動汽車的充(chong)(chong)電(dian)(dian)機(ji)提供電(dian)(dian)力輸入(ru)，由(you)于(yu)車載充(chong)(chong)電(dian)(dian)機(ji)的功(gong)率并不(bu)大(da)，所以不(bu)能(neng)實現快速(su)充(chong)(chong)電(dian)(dian)。