逆變(bian)器(qi)總成(cheng)逆變(bian)器(qi)作用就(jiu)是把直流(liu)電變(bian)換為交流(liu)電,逆變(bian)器(qi)主流(liu)有2種連接(jie)方式:
1、直接連在汽車電瓶上,功率較(jiao)高,可以(yi)為更多大(da)功率用電器使(shi)用,缺點是風險比較(jiao)大(da);
2、通(tong)過點煙器(qi)(qi)(qi)電(dian)(dian)(dian)源轉換(huan),輸(shu)出(chu)功(gong)(gong)率比較小,但(dan)也足(zu)夠大多數小型(xing)電(dian)(dian)(dian)器(qi)(qi)(qi)使用。逆變(bian)(bian)器(qi)(qi)(qi)是把直流電(dian)(dian)(dian)能(電(dian)(dian)(dian)池(chi)、蓄電(dian)(dian)(dian)瓶)轉變(bian)(bian)成交流電(dian)(dian)(dian)(一般(ban)為220V,50Hz正弦波),其(qi)由逆變(bian)(bian)橋、控制邏輯和濾波電(dian)(dian)(dian)路組成。逆變(bian)(bian)器(qi)(qi)(qi)在工作時其(qi)本身也要消耗一部分電(dian)(dian)(dian)力,因此輸(shu)入(ru)功(gong)(gong)率要大于(yu)其(qi)輸(shu)出(chu)功(gong)(gong)率。逆變(bian)(bian)器(qi)(qi)(qi)的效(xiao)率即是逆變(bian)(bian)器(qi)(qi)(qi)輸(shu)出(chu)功(gong)(gong)率與輸(shu)入(ru)功(gong)(gong)率之比,即逆變(bian)(bian)器(qi)(qi)(qi)效(xiao)率為輸(shu)出(chu)功(gong)(gong)率比上(shang)輸(shu)入(ru)功(gong)(gong)率。
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