【增程(cheng)式(shi)電動(dong)(dong)汽車】增程(cheng)式(shi)電動(dong)(dong)汽車的優缺(que)點 增程(cheng)式(shi)電動(dong)(dong)汽車原理
增程式電動汽車原理
增(zeng)程(cheng)式(shi)電(dian)動(dong)(dong)(dong)汽車(che)(che)整車(che)(che)運行模(mo)(mo)(mo)式(shi)可根據需要工(gong)作于(yu)(yu)純電(dian)動(dong)(dong)(dong)模(mo)(mo)(mo)式(shi)、增(zeng)程(cheng)模(mo)(mo)(mo)式(shi)或混合動(dong)(dong)(dong)力模(mo)(mo)(mo)式(shi)(HEV)。當工(gong)作于(yu)(yu)增(zeng)程(cheng)模(mo)(mo)(mo)式(shi)時(shi),節油率隨電(dian)池組(zu)容量增(zeng)大(da)(da)無限接近純電(dian)動(dong)(dong)(dong)汽車(che)(che),是純電(dian)動(dong)(dong)(dong)汽車(che)(che)的平(ping)穩(wen)過(guo)渡車(che)(che)型。由(you)于(yu)(yu)低速扭矩大(da)(da),高速運行平(ping)穩(wen),剎車(che)(che)能量回收效(xiao)率高,結構簡單易維(wei)修,是一種特別適用(yong)于(yu)(yu)城市公交的純電(dian)動(dong)(dong)(dong)客車(che)(che)和騎行路途較遠的電(dian)動(dong)(dong)(dong)自行車(che)(che)用(yong)戶(hu),實用(yong)性強。
在電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量充足(zu)時(shi),動(dong)(dong)力(li)電(dian)(dian)(dian)(dian)池(chi)驅動(dong)(dong)電(dian)(dian)(dian)(dian)機(ji),提供整車(che)驅動(dong)(dong)功(gong)率需求,此時(shi)發(fa)(fa)動(dong)(dong)機(ji)不參與工作。當電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量消耗到一定程度時(shi),發(fa)(fa)動(dong)(dong)機(ji)啟動(dong)(dong),發(fa)(fa)動(dong)(dong)機(ji)為電(dian)(dian)(dian)(dian)池(chi)提供能(neng)量對(dui)動(dong)(dong)力(li)電(dian)(dian)(dian)(dian)池(chi)進(jin)行充電(dian)(dian)(dian)(dian)。當電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量充足(zu)時(shi),發(fa)(fa)動(dong)(dong)機(ji)又停止(zhi)工作,由電(dian)(dian)(dian)(dian)池(chi)驅動(dong)(dong)電(dian)(dian)(dian)(dian)機(ji),提供整車(che)驅動(dong)(dong)。
增程式電動汽車的優缺點
優點
1、可純(chun)電(dian)動模(mo)式運行,所需電(dian)池容量小(xiao),造價低且(qie)不會發生缺電(dian)拋錨現象。
2、可插(cha)電式方模運行,在(zai)混合動(dong)力基礎(chu)上(shang)進一步提高節油率。
3、電(dian)池(chi)充(chong)電(dian)功(gong)率(lv)小,不(bu)必建設(she)大型充(chong)電(dian)設(she)施。
4、電池(chi)充放電可以(yi)淺充淺放,有利(li)于(yu)電池(chi)壽命。
5、具有外接充電(dian)方式,能利用夜間得低價(jia)低谷電(dian)充電(dian)。
6、結構簡單,電機直驅,易于(yu)維修保(bao)養,易于(yu)實現產(chan)業化。
7、節能:發動機一直處于最佳工作狀態,效(xiao)率高,排放小。
8、 減(jian)排:綜合節油率高,現有技術就可節油50%以上。
缺點
那則是(shi)兩(liang)臺電(dian)機(ji)(ji)、發動(dong)(dong)(dong)機(ji)(ji)、變速器(qi)一個都(dou)不(bu)能(neng)(neng)少(shao),同時配套的控制電(dian)路、電(dian)池、傳(chuan)動(dong)(dong)(dong)系統、油(you)路也不(bu)能(neng)(neng)少(shao)。因為要控制兩(liang)個電(dian)機(ji)(ji)和一臺發動(dong)(dong)(dong)機(ji)(ji),還(huan)有不(bu)同的工作(zuo)模式,所(suo)以控制系統會相對復雜,總而言之,混(hun)聯式插(cha)(cha)電(dian)混(hun)動(dong)(dong)(dong)車(che)身總重較大,總體成本要高(gao)于其他類型(xing)的插(cha)(cha)電(dian)式混(hun)動(dong)(dong)(dong)。這一類的代表車(che)型(xing)是(shi)普銳斯插(cha)(cha)電(dian)混(hun)動(dong)(dong)(dong)版(ban)。
純電動車與增程式電動汽車比較
相同點
1、 動力由純電(dian)能驅動,可(ke)以滿足(zu)要求的動力性能。
2、 能純電模式(shi)行駛,實現(xian)“零排放(fang)”
不同點
純電動:
1、電池的(de)用(yong)量很大才能(neng)滿足續駛里程。
2、電池深度DOD放電,電池使(shi)用壽(shou)命會有影響 。
3、必須建立(li)大功率(lv)充電(dian)站(zhan)或(huo)換電(dian)站(zhan) 。
增程式:
1、電池用量小,續駛里程長,可(ke)與HEV相(xiang)同 。
2、電池可以(yi)淺(qian)度(du)DOD充放(fang)電,電池壽(shou)命延長 。
3、不(bu)需建(jian)充(chong)電(dian)站(zhan)即(ji)可運行,需要(yao)時建(jian)立小(xiao)功率充(chong)電(dian)樁。
結論
增(zeng)程式(shi)電(dian)動車是一種配(pei)有車載供電(dian)功能的(de)純(chun)電(dian)動車輛