逆(ni)變器總成逆(ni)變器作(zuo)用就是把直(zhi)流(liu)電變換(huan)為交流(liu)電,逆(ni)變器主流(liu)有(you)2種連接方式:
1、直接連在汽車電瓶(ping)上,功(gong)率(lv)較高,可以為更多大(da)功(gong)率(lv)用(yong)電器使用(yong),缺(que)點是風險比較大(da);
2、通(tong)過點煙器(qi)電(dian)源轉換,輸(shu)出(chu)功(gong)(gong)(gong)率(lv)比(bi)(bi)較小(xiao),但也足夠大多數小(xiao)型電(dian)器(qi)使用。逆變(bian)(bian)器(qi)是把(ba)直(zhi)流電(dian)能(電(dian)池(chi)、蓄電(dian)瓶)轉變(bian)(bian)成交流電(dian)(一(yi)般為(wei)220V,50Hz正弦波(bo)),其由逆變(bian)(bian)橋、控制邏輯(ji)和濾波(bo)電(dian)路(lu)組成。逆變(bian)(bian)器(qi)在工作(zuo)時其本身也要消耗一(yi)部(bu)分電(dian)力,因(yin)此輸(shu)入功(gong)(gong)(gong)率(lv)要大于其輸(shu)出(chu)功(gong)(gong)(gong)率(lv)。逆變(bian)(bian)器(qi)的(de)效率(lv)即是逆變(bian)(bian)器(qi)輸(shu)出(chu)功(gong)(gong)(gong)率(lv)與輸(shu)入功(gong)(gong)(gong)率(lv)之比(bi)(bi),即逆變(bian)(bian)器(qi)效率(lv)為(wei)輸(shu)出(chu)功(gong)(gong)(gong)率(lv)比(bi)(bi)上輸(shu)入功(gong)(gong)(gong)率(lv)。
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