逆變器(qi)總成(cheng)逆變器(qi)作用就是(shi)把直(zhi)流電變換為交流電,逆變器(qi)主流有2種連接方(fang)式(shi):
1、直接連(lian)在(zai)汽車電瓶(ping)上,功率較高,可以(yi)為更多大功率用(yong)電器(qi)使(shi)用(yong),缺點是風險比較大;
2、通過點煙(yan)器(qi)(qi)(qi)電(dian)(dian)(dian)源轉換,輸(shu)(shu)(shu)出(chu)功(gong)率(lv)(lv)(lv)比(bi)較(jiao)小,但也(ye)足夠大(da)(da)多數小型(xing)電(dian)(dian)(dian)器(qi)(qi)(qi)使用。逆(ni)變(bian)(bian)器(qi)(qi)(qi)是(shi)把直(zhi)流電(dian)(dian)(dian)能(電(dian)(dian)(dian)池(chi)、蓄(xu)電(dian)(dian)(dian)瓶)轉變(bian)(bian)成(cheng)(cheng)交流電(dian)(dian)(dian)(一般(ban)為(wei)220V,50Hz正弦波(bo)),其由逆(ni)變(bian)(bian)橋、控制邏輯和濾波(bo)電(dian)(dian)(dian)路組(zu)成(cheng)(cheng)。逆(ni)變(bian)(bian)器(qi)(qi)(qi)在工作時其本身也(ye)要消耗一部分電(dian)(dian)(dian)力,因(yin)此(ci)輸(shu)(shu)(shu)入功(gong)率(lv)(lv)(lv)要大(da)(da)于其輸(shu)(shu)(shu)出(chu)功(gong)率(lv)(lv)(lv)。逆(ni)變(bian)(bian)器(qi)(qi)(qi)的效(xiao)率(lv)(lv)(lv)即是(shi)逆(ni)變(bian)(bian)器(qi)(qi)(qi)輸(shu)(shu)(shu)出(chu)功(gong)率(lv)(lv)(lv)與輸(shu)(shu)(shu)入功(gong)率(lv)(lv)(lv)之(zhi)比(bi),即逆(ni)變(bian)(bian)器(qi)(qi)(qi)效(xiao)率(lv)(lv)(lv)為(wei)輸(shu)(shu)(shu)出(chu)功(gong)率(lv)(lv)(lv)比(bi)上輸(shu)(shu)(shu)入功(gong)率(lv)(lv)(lv)。
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