逆變(bian)器總成逆變(bian)器作用(yong)就是把直流電變(bian)換(huan)為交(jiao)流電,逆變(bian)器主流有2種連(lian)接方式:
1、直接(jie)連在汽車電(dian)瓶上(shang),功率(lv)較高,可以為更多大功率(lv)用(yong)電(dian)器使用(yong),缺點(dian)是風險(xian)比較大;
2、通過點(dian)煙器(qi)(qi)電(dian)(dian)源轉(zhuan)換,輸出(chu)(chu)功(gong)(gong)率(lv)比較小,但也(ye)足夠(gou)大多數小型電(dian)(dian)器(qi)(qi)使用。逆(ni)變(bian)器(qi)(qi)是把直流電(dian)(dian)能(電(dian)(dian)池、蓄(xu)電(dian)(dian)瓶(ping))轉(zhuan)變(bian)成(cheng)交(jiao)流電(dian)(dian)(一般為(wei)220V,50Hz正弦波),其(qi)由逆(ni)變(bian)橋、控制邏(luo)輯和濾波電(dian)(dian)路(lu)組成(cheng)。逆(ni)變(bian)器(qi)(qi)在工作時其(qi)本身(shen)也(ye)要消耗(hao)一部(bu)分電(dian)(dian)力,因此輸入(ru)功(gong)(gong)率(lv)要大于其(qi)輸出(chu)(chu)功(gong)(gong)率(lv)。逆(ni)變(bian)器(qi)(qi)的效率(lv)即是逆(ni)變(bian)器(qi)(qi)輸出(chu)(chu)功(gong)(gong)率(lv)與(yu)輸入(ru)功(gong)(gong)率(lv)之比,即逆(ni)變(bian)器(qi)(qi)效率(lv)為(wei)輸出(chu)(chu)功(gong)(gong)率(lv)比上(shang)輸入(ru)功(gong)(gong)率(lv)。
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