電壓調節器電壓調節器的作用:在發電機轉速變化時,自動控制發電機電壓,使其保持恒定,防止發電機電壓過高而燒壞用電設備和導致蓄電池過量充電,同時也防止發電機電壓過低而導致用電設備工作失常和蓄電池充電不足。
電(dian)(dian)(dian)(dian)壓(ya)調節(jie)器的(de)工作(zuo)原(yuan)理:由于(yu)發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)與發(fa)(fa)動(dong)機(ji)(ji)(ji)(ji)(ji)的(de)傳動(dong)比固定,所(suo)以發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)轉速將(jiang)隨發(fa)(fa)動(dong)機(ji)(ji)(ji)(ji)(ji)轉速的(de)變(bian)化(hua)而變(bian)化(hua)。汽車在運行過程中(zhong),發(fa)(fa)動(dong)機(ji)(ji)(ji)(ji)(ji)轉速變(bian)化(hua)范圍(wei)很大(da),發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)端電(dian)(dian)(dian)(dian)壓(ya)也將(jiang)隨發(fa)(fa)動(dong)機(ji)(ji)(ji)(ji)(ji)的(de)轉速變(bian)化(hua)而在很大(da)范圍(wei)內變(bian)化(hua)。發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)對(dui)用電(dian)(dian)(dian)(dian)設備供電(dian)(dian)(dian)(dian)和(he)向(xiang)蓄電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),都(dou)要(yao)求其(qi)電(dian)(dian)(dian)(dian)壓(ya)穩定,所(suo)以為使電(dian)(dian)(dian)(dian)壓(ya)始終保持在某一數值基本不變(bian),就必須(xu)對(dui)發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)輸出電(dian)(dian)(dian)(dian)壓(ya)進(jin)行調節(jie)。
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