逆變器(qi)總成逆變器(qi)作用就是把直流電(dian)變換為交流電(dian),逆變器(qi)主流有2種連(lian)接方式(shi):
1、直接連在汽車(che)電(dian)瓶上,功率較(jiao)高,可(ke)以為更多(duo)大功率用電(dian)器使(shi)用,缺點(dian)是(shi)風險比(bi)較(jiao)大;
2、通過點煙器(qi)(qi)(qi)電(dian)(dian)源轉(zhuan)換,輸出(chu)功(gong)(gong)(gong)(gong)率(lv)(lv)比(bi)(bi)較(jiao)小(xiao),但(dan)也(ye)足夠(gou)大多數小(xiao)型電(dian)(dian)器(qi)(qi)(qi)使(shi)用(yong)。逆變(bian)(bian)器(qi)(qi)(qi)是把直流電(dian)(dian)能(電(dian)(dian)池、蓄電(dian)(dian)瓶)轉(zhuan)變(bian)(bian)成交流電(dian)(dian)(一般為220V,50Hz正弦(xian)波),其由逆變(bian)(bian)橋、控制邏輯(ji)和濾波電(dian)(dian)路組成。逆變(bian)(bian)器(qi)(qi)(qi)在工作時(shi)其本身也(ye)要(yao)消耗(hao)一部分電(dian)(dian)力(li),因此輸入功(gong)(gong)(gong)(gong)率(lv)(lv)要(yao)大于其輸出(chu)功(gong)(gong)(gong)(gong)率(lv)(lv)。逆變(bian)(bian)器(qi)(qi)(qi)的效(xiao)率(lv)(lv)即是逆變(bian)(bian)器(qi)(qi)(qi)輸出(chu)功(gong)(gong)(gong)(gong)率(lv)(lv)與輸入功(gong)(gong)(gong)(gong)率(lv)(lv)之比(bi)(bi),即逆變(bian)(bian)器(qi)(qi)(qi)效(xiao)率(lv)(lv)為輸出(chu)功(gong)(gong)(gong)(gong)率(lv)(lv)比(bi)(bi)上(shang)輸入功(gong)(gong)(gong)(gong)率(lv)(lv)。
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