逆變(bian)器總成(cheng)逆變(bian)器作用就是把直(zhi)流電變(bian)換為交流電,逆變(bian)器主流有(you)2種(zhong)連接方式(shi):
1、直接連在汽車(che)電(dian)瓶上,功率(lv)較(jiao)高,可(ke)以為更(geng)多大功率(lv)用電(dian)器使用,缺點是風險(xian)比(bi)較(jiao)大;
2、通(tong)過點煙器(qi)電源轉換(huan),輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)(lv)比較小,但(dan)也(ye)足夠大(da)多數小型(xing)電器(qi)使(shi)用。逆變(bian)器(qi)是把直流(liu)電能(電池、蓄(xu)電瓶)轉變(bian)成交流(liu)電(一般為(wei)220V,50Hz正弦波),其由逆變(bian)橋、控制邏輯和濾波電路組成。逆變(bian)器(qi)在工作時其本身也(ye)要消耗一部分電力,因此輸(shu)(shu)入(ru)(ru)功(gong)(gong)(gong)率(lv)(lv)(lv)要大(da)于其輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)(lv)。逆變(bian)器(qi)的效率(lv)(lv)(lv)即(ji)是逆變(bian)器(qi)輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)(lv)與輸(shu)(shu)入(ru)(ru)功(gong)(gong)(gong)率(lv)(lv)(lv)之比,即(ji)逆變(bian)器(qi)效率(lv)(lv)(lv)為(wei)輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)(lv)比上輸(shu)(shu)入(ru)(ru)功(gong)(gong)(gong)率(lv)(lv)(lv)。
寶馬(ma)318Li作為一(yi)款入(ru)門級的豪華運動風格轎(jiao)車(che)應該說是(shi)稱(cheng)職的,首先品牌夠檔(dang)次,外觀和配置依(yi)舊緊跟潮流,開(kai)出去有面子。操控上保留(liu)了寶馬車系(xi)的優(you)良操控功底(di).
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