逆變(bian)(bian)(bian)器總成逆變(bian)(bian)(bian)器作用就是把(ba)直流(liu)電變(bian)(bian)(bian)換為(wei)交流(liu)電,逆變(bian)(bian)(bian)器主(zhu)流(liu)有(you)2種(zhong)連接方(fang)式(shi):
1、直接(jie)連在汽車電(dian)瓶上(shang),功(gong)率較(jiao)高,可以為更(geng)多大功(gong)率用(yong)電(dian)器使用(yong),缺點(dian)是(shi)風險比較(jiao)大;
2、通過(guo)點煙(yan)器(qi)(qi)電(dian)(dian)源(yuan)轉換,輸出功(gong)(gong)(gong)率(lv)(lv)(lv)比較小,但也(ye)足(zu)夠(gou)大多數小型(xing)電(dian)(dian)器(qi)(qi)使用。逆變器(qi)(qi)是把(ba)直(zhi)流電(dian)(dian)能(電(dian)(dian)池(chi)、蓄(xu)電(dian)(dian)瓶)轉變成交流電(dian)(dian)(一般為(wei)220V,50Hz正(zheng)弦波),其(qi)由逆變橋(qiao)、控制(zhi)邏輯和濾波電(dian)(dian)路組成。逆變器(qi)(qi)在(zai)工作時其(qi)本身也(ye)要(yao)消(xiao)耗一部分電(dian)(dian)力,因此(ci)輸入功(gong)(gong)(gong)率(lv)(lv)(lv)要(yao)大于其(qi)輸出功(gong)(gong)(gong)率(lv)(lv)(lv)。逆變器(qi)(qi)的(de)效率(lv)(lv)(lv)即(ji)是逆變器(qi)(qi)輸出功(gong)(gong)(gong)率(lv)(lv)(lv)與輸入功(gong)(gong)(gong)率(lv)(lv)(lv)之(zhi)比,即(ji)逆變器(qi)(qi)效率(lv)(lv)(lv)為(wei)輸出功(gong)(gong)(gong)率(lv)(lv)(lv)比上輸入功(gong)(gong)(gong)率(lv)(lv)(lv)。
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