逆變(bian)器(qi)(qi)總成逆變(bian)器(qi)(qi)作用就是(shi)把直流電變(bian)換為交(jiao)流電,逆變(bian)器(qi)(qi)主流有2種連接方式:
1、直(zhi)接連在汽車電(dian)瓶上,功率較高,可以為更多(duo)大功率用(yong)電(dian)器使用(yong),缺點是風險比較大;
2、通(tong)過點煙器(qi)電(dian)(dian)源轉換,輸(shu)(shu)(shu)出(chu)(chu)功(gong)率(lv)(lv)比較小,但(dan)也足夠大多(duo)數(shu)小型電(dian)(dian)器(qi)使用。逆(ni)(ni)(ni)變(bian)器(qi)是把直流(liu)電(dian)(dian)能(電(dian)(dian)池、蓄電(dian)(dian)瓶)轉變(bian)成交流(liu)電(dian)(dian)(一般為(wei)220V,50Hz正弦波),其(qi)由逆(ni)(ni)(ni)變(bian)橋(qiao)、控制邏(luo)輯和濾波電(dian)(dian)路組成。逆(ni)(ni)(ni)變(bian)器(qi)在(zai)工作時其(qi)本身也要(yao)消耗一部分電(dian)(dian)力,因此輸(shu)(shu)(shu)入功(gong)率(lv)(lv)要(yao)大于其(qi)輸(shu)(shu)(shu)出(chu)(chu)功(gong)率(lv)(lv)。逆(ni)(ni)(ni)變(bian)器(qi)的效率(lv)(lv)即是逆(ni)(ni)(ni)變(bian)器(qi)輸(shu)(shu)(shu)出(chu)(chu)功(gong)率(lv)(lv)與輸(shu)(shu)(shu)入功(gong)率(lv)(lv)之比,即逆(ni)(ni)(ni)變(bian)器(qi)效率(lv)(lv)為(wei)輸(shu)(shu)(shu)出(chu)(chu)功(gong)率(lv)(lv)比上輸(shu)(shu)(shu)入功(gong)率(lv)(lv)。
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