逆變(bian)器總成逆變(bian)器作用就是把直流電(dian)變(bian)換為(wei)交流電(dian),逆變(bian)器主流有2種連接方(fang)式:
1、直接連在汽(qi)車電瓶上,功率較高,可以(yi)為更(geng)多大功率用電器使用,缺(que)點是(shi)風(feng)險比較大;
2、通過點(dian)煙器電(dian)(dian)源轉換,輸(shu)(shu)出功(gong)率(lv)(lv)(lv)(lv)比(bi)(bi)(bi)較小,但(dan)也足夠大多數小型電(dian)(dian)器使用(yong)。逆(ni)變(bian)(bian)(bian)器是(shi)把直流(liu)電(dian)(dian)能(電(dian)(dian)池、蓄電(dian)(dian)瓶)轉變(bian)(bian)(bian)成交流(liu)電(dian)(dian)(一般(ban)為220V,50Hz正弦波),其(qi)由逆(ni)變(bian)(bian)(bian)橋、控制邏輯(ji)和濾波電(dian)(dian)路(lu)組成。逆(ni)變(bian)(bian)(bian)器在(zai)工作時(shi)其(qi)本身也要消耗一部分電(dian)(dian)力(li),因此輸(shu)(shu)入(ru)功(gong)率(lv)(lv)(lv)(lv)要大于其(qi)輸(shu)(shu)出功(gong)率(lv)(lv)(lv)(lv)。逆(ni)變(bian)(bian)(bian)器的效(xiao)率(lv)(lv)(lv)(lv)即是(shi)逆(ni)變(bian)(bian)(bian)器輸(shu)(shu)出功(gong)率(lv)(lv)(lv)(lv)與輸(shu)(shu)入(ru)功(gong)率(lv)(lv)(lv)(lv)之比(bi)(bi)(bi),即逆(ni)變(bian)(bian)(bian)器效(xiao)率(lv)(lv)(lv)(lv)為輸(shu)(shu)出功(gong)率(lv)(lv)(lv)(lv)比(bi)(bi)(bi)上輸(shu)(shu)入(ru)功(gong)率(lv)(lv)(lv)(lv)。
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