逆變(bian)器(qi)總成逆變(bian)器(qi)作用就是把直(zhi)流(liu)電(dian)變(bian)換為交流(liu)電(dian),逆變(bian)器(qi)主(zhu)流(liu)有2種連接方式:
1、直接連在(zai)汽車(che)電瓶上,功率較(jiao)高(gao),可以為(wei)更多(duo)大功率用電器(qi)使用,缺點是風險(xian)比較(jiao)大;
2、通過點煙器(qi)(qi)電源(yuan)轉(zhuan)換,輸出功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)比(bi)較小(xiao),但(dan)也(ye)足(zu)夠大多數小(xiao)型電器(qi)(qi)使用(yong)。逆(ni)變(bian)(bian)器(qi)(qi)是把直(zhi)流電能(電池(chi)、蓄電瓶(ping))轉(zhuan)變(bian)(bian)成交流電(一般為220V,50Hz正弦波),其由(you)逆(ni)變(bian)(bian)橋、控制(zhi)邏輯和濾(lv)波電路組成。逆(ni)變(bian)(bian)器(qi)(qi)在工作時其本身也(ye)要消耗一部分電力,因此輸入(ru)(ru)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)要大于(yu)其輸出功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)。逆(ni)變(bian)(bian)器(qi)(qi)的效率(lv)(lv)即是逆(ni)變(bian)(bian)器(qi)(qi)輸出功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)與(yu)輸入(ru)(ru)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)之比(bi),即逆(ni)變(bian)(bian)器(qi)(qi)效率(lv)(lv)為輸出功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)比(bi)上輸入(ru)(ru)功(gong)(gong)(gong)(gong)(gong)率(lv)(lv)。
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