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(diao)節(jie)器的(de)工作原理(li):由于(yu)發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)與發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)的(de)傳動(dong)(dong)(dong)比固定(ding),所以發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)轉速將隨(sui)發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)轉速的(de)變(bian)化(hua)而變(bian)化(hua)。汽車(che)在運行過程中,發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)轉速變(bian)化(hua)范圍很大,發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)端電(dian)(dian)(dian)(dian)壓(ya)也將隨(sui)發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)的(de)轉速變(bian)化(hua)而在很大范圍內變(bian)化(hua)。發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)對(dui)用電(dian)(dian)(dian)(dian)設(she)備供電(dian)(dian)(dian)(dian)和(he)向蓄(xu)電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),都要求其電(dian)(dian)(dian)(dian)壓(ya)穩定(ding),所以為使電(dian)(dian)(dian)(dian)壓(ya)始終保持在某(mou)一數值基(ji)本不變(bian),就必須對(dui)發(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)輸出電(dian)(dian)(dian)(dian)壓(ya)進行調(diao)節(jie)。
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