逆變(bian)器(qi)總成逆變(bian)器(qi)作(zuo)用(yong)就是把(ba)直(zhi)流電變(bian)換為(wei)交(jiao)流電,逆變(bian)器(qi)主流有2種連接方(fang)式(shi):
1、直接連在汽車電(dian)(dian)瓶上(shang),功率(lv)較高,可以為更多(duo)大功率(lv)用電(dian)(dian)器使用,缺點(dian)是(shi)風險比較大;
2、通過點(dian)煙器(qi)電(dian)(dian)源(yuan)轉換,輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)比較小(xiao)(xiao),但(dan)也足夠大多數小(xiao)(xiao)型電(dian)(dian)器(qi)使(shi)用。逆(ni)(ni)變(bian)器(qi)是把直流(liu)電(dian)(dian)能(電(dian)(dian)池(chi)、蓄電(dian)(dian)瓶)轉變(bian)成交流(liu)電(dian)(dian)(一(yi)(yi)般為220V,50Hz正弦波(bo)),其(qi)(qi)由逆(ni)(ni)變(bian)橋、控制(zhi)邏輯和(he)濾波(bo)電(dian)(dian)路組成。逆(ni)(ni)變(bian)器(qi)在工作時其(qi)(qi)本身(shen)也要消耗一(yi)(yi)部分電(dian)(dian)力,因此輸(shu)(shu)入功(gong)(gong)(gong)率(lv)(lv)要大于其(qi)(qi)輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)。逆(ni)(ni)變(bian)器(qi)的效率(lv)(lv)即是逆(ni)(ni)變(bian)器(qi)輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)與輸(shu)(shu)入功(gong)(gong)(gong)率(lv)(lv)之(zhi)比,即逆(ni)(ni)變(bian)器(qi)效率(lv)(lv)為輸(shu)(shu)出(chu)功(gong)(gong)(gong)率(lv)(lv)比上輸(shu)(shu)入功(gong)(gong)(gong)率(lv)(lv)。
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