逆(ni)變器(qi)總成逆(ni)變器(qi)作用就是(shi)把直流電變換(huan)為交流電,逆(ni)變器(qi)主流有(you)2種連(lian)接方式:
1、直接(jie)連在汽車(che)電瓶上,功率較(jiao)高,可以為更多大功率用電器(qi)使用,缺點是風險比較(jiao)大;
2、通過(guo)點(dian)煙器(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)源轉(zhuan)換,輸(shu)(shu)出功(gong)(gong)(gong)率(lv)比較小(xiao),但也足夠大多數小(xiao)型電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)使用。逆變器(qi)(qi)(qi)(qi)是把直(zhi)流電(dian)(dian)(dian)(dian)能(電(dian)(dian)(dian)(dian)池、蓄電(dian)(dian)(dian)(dian)瓶(ping))轉(zhuan)變成交流電(dian)(dian)(dian)(dian)(一般為220V,50Hz正(zheng)弦波(bo)),其由逆變橋、控制邏輯和濾(lv)波(bo)電(dian)(dian)(dian)(dian)路組成。逆變器(qi)(qi)(qi)(qi)在工作時其本身也要消耗(hao)一部分(fen)電(dian)(dian)(dian)(dian)力,因此輸(shu)(shu)入(ru)功(gong)(gong)(gong)率(lv)要大于其輸(shu)(shu)出功(gong)(gong)(gong)率(lv)。逆變器(qi)(qi)(qi)(qi)的效率(lv)即是逆變器(qi)(qi)(qi)(qi)輸(shu)(shu)出功(gong)(gong)(gong)率(lv)與(yu)輸(shu)(shu)入(ru)功(gong)(gong)(gong)率(lv)之比,即逆變器(qi)(qi)(qi)(qi)效率(lv)為輸(shu)(shu)出功(gong)(gong)(gong)率(lv)比上輸(shu)(shu)入(ru)功(gong)(gong)(gong)率(lv)。
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