逆變器(qi)(qi)總成逆變器(qi)(qi)作用就是把直流(liu)電變換為(wei)交流(liu)電,逆變器(qi)(qi)主流(liu)有2種連接方式:
1、直接連(lian)在汽車電瓶(ping)上,功率較(jiao)高,可(ke)以為(wei)更多大(da)功率用(yong)電器使用(yong),缺點是風險(xian)比較(jiao)大(da);
2、通過點煙器(qi)(qi)電(dian)源轉(zhuan)換,輸(shu)(shu)出功(gong)(gong)(gong)(gong)率(lv)(lv)比較(jiao)小,但也足夠(gou)大(da)多數(shu)小型電(dian)器(qi)(qi)使用。逆(ni)(ni)變器(qi)(qi)是把直流(liu)電(dian)能(電(dian)池(chi)、蓄(xu)電(dian)瓶)轉(zhuan)變成(cheng)交流(liu)電(dian)(一般為(wei)220V,50Hz正(zheng)弦波),其(qi)(qi)由逆(ni)(ni)變橋、控制邏(luo)輯和濾波電(dian)路組成(cheng)。逆(ni)(ni)變器(qi)(qi)在工(gong)作時(shi)其(qi)(qi)本(ben)身也要消耗一部分電(dian)力,因此輸(shu)(shu)入(ru)功(gong)(gong)(gong)(gong)率(lv)(lv)要大(da)于其(qi)(qi)輸(shu)(shu)出功(gong)(gong)(gong)(gong)率(lv)(lv)。逆(ni)(ni)變器(qi)(qi)的效率(lv)(lv)即是逆(ni)(ni)變器(qi)(qi)輸(shu)(shu)出功(gong)(gong)(gong)(gong)率(lv)(lv)與輸(shu)(shu)入(ru)功(gong)(gong)(gong)(gong)率(lv)(lv)之(zhi)比,即逆(ni)(ni)變器(qi)(qi)效率(lv)(lv)為(wei)輸(shu)(shu)出功(gong)(gong)(gong)(gong)率(lv)(lv)比上(shang)輸(shu)(shu)入(ru)功(gong)(gong)(gong)(gong)率(lv)(lv)。
2011年11月30日,東京車(che)展開幕當天(tian),大(da)眾(zhong)最終(zhong)揭曉了參(can)展陣容,兩款新車(che)全球(qiu)首發(fa),其中包括新邁騰(teng)Alltrack和Cross Coupe概念車(che)。Cross Coupe概念車(che)展示了大(da)眾(zhong)未(wei)來SUV設(she)計,采(cai)用四驅插(cha)電混動設(she)計,融合四門轎跑和緊湊SUV特點,將是大(da)眾(zhong)模塊化橫(heng)置平臺MQB的(de)首部(bu)展車(che)。
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