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7kw的居多(duo)。
交流充電樁功能特點
(1)人(ren)機交互界面采用(yong)大屏(ping)幕LCD彩色觸摸屏,充電可選(xuan)擇(ze)定電量(liang)、定時間、定金額、自動(充滿(man)為止)4種(zhong)模式;顯示當(dang)前充(chong)(chong)電(dian)(dian)模式、時間(jian)(已(yi)充(chong)(chong)電(dian)(dian)時間(jian)、剩(sheng)余充(chong)(chong)電(dian)(dian)時間(jian))、電(dian)(dian)量(已(yi)充(chong)(chong)電(dian)(dian)電(dian)(dian)量、待(dai)充(chong)(chong)電(dian)(dian)電(dian)(dian)量)及當(dang)前計費信息(xi)。
(2)讀卡器(qi)用(yong)于身(shen)份識別、記(ji)錄電(dian)量消(xiao)費(fei)信息。打印機用(yong)于消(xiao)費(fei)票據打印。
(3)完備的安(an)全防護措施。
1)緊急停(ting)止充電(dian)按鈕。
2)輸(shu)出過電流保護功能。
3)輸(shu)出漏電保護功能。
4)自動(dong)判斷充(chong)(chong)電連接器(qi)、充(chong)(chong)電電纜是(shi)否正確連接。當交(jiao)流(liu)充(chong)(chong)電樁(zhuang)(zhuang)與電動(dong)汽車正確連接后,充(chong)(chong)電樁(zhuang)(zhuang)才能允許啟(qi)動(dong)充(chong)(chong)電過程;當交(jiao)流(liu)充(chong)(chong)電樁(zhuang)(zhuang)檢測到與電動(dong)汽車連接不(bu)正常時,立即(ji)停止充(chong)(chong)電。
5)具有阻(zu)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50Hz,輸(shu)出為(wei)可調直(zhi)流(liu)電(dian)(dian)(dian),直(zhi)接(jie)為(wei)電(dian)(dian)(dian)動汽車的(de)(de)動力電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)。由于(yu)直(zhi)流(liu)充(chong)電(dian)(dian)(dian)樁采用三相(xiang)四線(xian)制供(gong)電(dian)(dian)(dian),可以提供(gong)足夠的(de)(de)功率,輸(shu)出的(de)(de)電(dian)(dian)(dian)壓和電(dian)(dian)(dian)流(liu)調整范(fan)圍(wei)大,可以實現快充(chong)的(de)(de)要求。
交流充(chong)電(dian)樁:交流電(dian)動汽車充(chong)電(dian)樁,俗稱就是(shi)“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(an)裝在電動汽(qi)車上(shang)的充電機)提供交流(liu)電(dian)源的供電(dian)裝置。交流(liu)充(chong)(chong)(chong)電(dian)樁只(zhi)提供電(dian)力輸出,沒有(you)充(chong)(chong)(chong)電(dian)功能,需(xu)連接車載充(chong)(chong)(chong)電(dian)機(ji)為電(dian)動汽車充(chong)(chong)(chong)電(dian)。相當于只(zhi)是(shi)起(qi)了一(yi)個控制電(dian)源的作用的。
兩者的區別:簡單來(lai)說,交流(liu)充電(dian)(dian)樁需(xu)要借助車載充電(dian)(dian)機來(lai)充電(dian)(dian),直流(liu)快速充電(dian)(dian)樁不(bu)需(xu)要這個設備。二者在充電(dian)(dian)速度(du)上差別較大,一輛純(chun)電(dian)(dian)動(dong)汽車(普通電池容(rong)量)完全放電(dian)后通過交流充電(dian)樁充滿需(xu)要8個小時,而通(tong)過(guo)直流快速充電(dian)樁僅需要2到(dao)3個小(xiao)時(shi)。交流(liu)充(chong)電(dian)樁給電(dian)動汽(qi)車(che)的充(chong)電(dian)機(ji)提供電(dian)力輸入,由于車(che)載充(chong)電(dian)機(ji)的功(gong)率并不大,所(suo)以不能實現(xian)快速充(chong)電(dian)。