逆變(bian)器總成逆變(bian)器作用(yong)就是把直(zhi)流(liu)電(dian)變(bian)換為交流(liu)電(dian),逆變(bian)器主流(liu)有2種連接(jie)方式:
1、直接連在汽車電瓶(ping)上(shang),功率較高,可以為更(geng)多(duo)大(da)(da)功率用電器使用,缺點是風險比較大(da)(da);
2、通過(guo)點煙器(qi)電(dian)(dian)(dian)(dian)源轉(zhuan)換(huan),輸(shu)出(chu)(chu)(chu)功(gong)(gong)(gong)率(lv)比較小,但也(ye)足夠大(da)多數(shu)小型電(dian)(dian)(dian)(dian)器(qi)使用。逆(ni)(ni)變(bian)(bian)(bian)(bian)器(qi)是把直流(liu)電(dian)(dian)(dian)(dian)能(電(dian)(dian)(dian)(dian)池、蓄電(dian)(dian)(dian)(dian)瓶)轉(zhuan)變(bian)(bian)(bian)(bian)成(cheng)交(jiao)流(liu)電(dian)(dian)(dian)(dian)(一般(ban)為220V,50Hz正(zheng)弦波(bo)),其(qi)由逆(ni)(ni)變(bian)(bian)(bian)(bian)橋、控(kong)制邏輯和濾波(bo)電(dian)(dian)(dian)(dian)路組(zu)成(cheng)。逆(ni)(ni)變(bian)(bian)(bian)(bian)器(qi)在工(gong)作時(shi)其(qi)本(ben)身(shen)也(ye)要消耗(hao)一部分電(dian)(dian)(dian)(dian)力(li),因(yin)此輸(shu)入功(gong)(gong)(gong)率(lv)要大(da)于其(qi)輸(shu)出(chu)(chu)(chu)功(gong)(gong)(gong)率(lv)。逆(ni)(ni)變(bian)(bian)(bian)(bian)器(qi)的(de)效率(lv)即(ji)是逆(ni)(ni)變(bian)(bian)(bian)(bian)器(qi)輸(shu)出(chu)(chu)(chu)功(gong)(gong)(gong)率(lv)與輸(shu)入功(gong)(gong)(gong)率(lv)之比,即(ji)逆(ni)(ni)變(bian)(bian)(bian)(bian)器(qi)效率(lv)為輸(shu)出(chu)(chu)(chu)功(gong)(gong)(gong)率(lv)比上(shang)輸(shu)入功(gong)(gong)(gong)率(lv)。
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