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　　【太平洋汽車網】總功(gong)率并(bing)不(bu)是(shi)72kw，只是(shi)發動(dong)(dong)機功(gong)率為(wei)72kw而已。油(you)電(dian)混合(he)車型并(bing)不(bu)能(neng)只看(kan)發動(dong)(dong)機功(gong)率，還要加上電(dian)動(dong)(dong)機功(gong)率。卡(ka)羅拉雙擎電(dian)動(dong)(dong)機功(gong)率為(wei)53kw，電(dian)動(dong)(dong)機機功(gong)率+發動(dong)(dong)機功(gong)率=總功(gong)率。但是(shi)這(zhe)種油(you)電(dian)混動(dong)(dong)車型總功(gong)率并(bing)不(bu)是(shi)簡單的1+1=2那樣計(ji)算的。

　　卡羅(luo)拉雙擎電(dian)動機功(gong)(gong)(gong)率(lv)(lv)為53kw，電(dian)動機機功(gong)(gong)(gong)率(lv)(lv)+發動機功(gong)(gong)(gong)率(lv)(lv)=總(zong)功(gong)(gong)(gong)率(lv)(lv)，是(shi)1+1>1<2，因此卡羅(luo)拉雙擎車(che)(che)型廠家標注的最大(da)總(zong)功(gong)(gong)(gong)率(lv)(lv)為92kw。作(zuo)為一款緊湊型轎車(che)(che)，92kw的功(gong)(gong)(gong)率(lv)(lv)雖然(ran)不能飛(fei)起來但是(shi)動力還是(shi)足夠用的。

　　例如豐田(tian)這款(kuan)發(fa)動(dong)(dong)機用在(zai)混(hun)動(dong)(dong)車型上熱(re)效(xiao)率高(gao)達(da)41%，而常見的燃油車采(cai)用奧(ao)拓循環的發(fa)動(dong)(dong)機熱(re)效(xiao)率僅在(zai)37%左(zuo)右，有些發(fa)動(dong)(dong)機還達(da)不到(dao)這個指(zhi)標(biao)。

　　這其(qi)實(shi)就(jiu)是魚肉與熊(xiong)掌不可兼得的(de)(de)道理，想(xiang)要(yao)(yao)動(dong)力那么必然要(yao)(yao)犧牲油(you)耗(hao)，想(xiang)要(yao)(yao)油(you)耗(hao)必須要(yao)(yao)犧牲動(dong)力。想(xiang)要(yao)(yao)二者兼得只能通(tong)過(guo)電機來彌(mi)補阿特金(jin)森循(xun)環(huan)發動(dong)機動(dong)力不足的(de)(de)問(wen)題，用電機取長補短(duan)。

　　其實這種工(gong)(gong)作(zuo)(zuo)狀態也很(hen)容(rong)易理解。就(jiu)(jiu)像(xiang)(xiang)在工(gong)(gong)廠干活(huo)，電機(ji)就(jiu)(jiu)像(xiang)(xiang)一(yi)個(ge)學徒工(gong)(gong)，發動機(ji)就(jiu)(jiu)像(xiang)(xiang)一(yi)個(ge)老(lao)師(shi)傅(fu)(fu)。正常簡單的工(gong)(gong)作(zuo)(zuo)，老(lao)師(shi)傅(fu)(fu)可以閑(xian)著(zhu)，學徒工(gong)(gong)就(jiu)(jiu)能把工(gong)(gong)作(zuo)(zuo)處理好。當工(gong)(gong)作(zuo)(zuo)比較緊急的時(shi)候(hou)，老(lao)師(shi)傅(fu)(fu)和學徒一(yi)起干，老(lao)師(shi)傅(fu)(fu)工(gong)(gong)作(zuo)(zuo)熟練，總效率要高一(yi)點。當來了(le)一(yi)個(ge)精細活(huo)的時(shi)候(hou)，學徒工(gong)(gong)也就(jiu)(jiu)只能打下手(shou)，真正干的就(jiu)(jiu)只有老(lao)師(shi)傅(fu)(fu)了(le)。三個(ge)階段就(jiu)(jiu)像(xiang)(xiang)卡羅(luo)拉混(hun)動三種運行工(gong)(gong)況。電機(ji)在汽車速度越慢、提速越慢時(shi)作(zuo)(zuo)用越大，速度越快、提速越快時(shi)作(zuo)(zuo)用越小。而發動機(ji)正好相反(fan)。

（圖(tu)/文/攝：太平洋汽車網 問答叫獸）