逆變器(qi)總成(cheng)逆變器(qi)作(zuo)用就是(shi)把直流電(dian)變換為(wei)交流電(dian),逆變器(qi)主流有2種(zhong)連接方式:
1、直接連在汽車電(dian)瓶上,功(gong)率較高(gao),可(ke)以為更多大功(gong)率用電(dian)器使(shi)用,缺點是(shi)風險比(bi)較大;
2、通過(guo)點煙器(qi)(qi)電(dian)(dian)源(yuan)轉換,輸(shu)(shu)出功(gong)率比較(jiao)小(xiao),但也足夠大多(duo)數小(xiao)型電(dian)(dian)器(qi)(qi)使用(yong)。逆變(bian)(bian)(bian)器(qi)(qi)是把直流電(dian)(dian)能(電(dian)(dian)池、蓄電(dian)(dian)瓶(ping))轉變(bian)(bian)(bian)成交流電(dian)(dian)(一般為(wei)220V,50Hz正弦波),其由逆變(bian)(bian)(bian)橋、控(kong)制邏(luo)輯和濾波電(dian)(dian)路組成。逆變(bian)(bian)(bian)器(qi)(qi)在工(gong)作(zuo)時其本身(shen)也要(yao)(yao)消耗一部分電(dian)(dian)力,因此輸(shu)(shu)入功(gong)率要(yao)(yao)大于其輸(shu)(shu)出功(gong)率。逆變(bian)(bian)(bian)器(qi)(qi)的效(xiao)率即是逆變(bian)(bian)(bian)器(qi)(qi)輸(shu)(shu)出功(gong)率與輸(shu)(shu)入功(gong)率之(zhi)比,即逆變(bian)(bian)(bian)器(qi)(qi)效(xiao)率為(wei)輸(shu)(shu)出功(gong)率比上(shang)輸(shu)(shu)入功(gong)率。
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