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)(dian)壓(ya)調(diao)節(jie)器的(de)(de)工作原理(li):由于發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)與發(fa)(fa)(fa)動(dong)機(ji)(ji)(ji)的(de)(de)傳動(dong)比固定,所以發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)轉(zhuan)速將(jiang)(jiang)隨(sui)發(fa)(fa)(fa)動(dong)機(ji)(ji)(ji)轉(zhuan)速的(de)(de)變(bian)化(hua)而(er)變(bian)化(hua)。汽車在(zai)運行過程(cheng)中(zhong),發(fa)(fa)(fa)動(dong)機(ji)(ji)(ji)轉(zhuan)速變(bian)化(hua)范(fan)圍很大(da),發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)端(duan)電(dian)(dian)(dian)(dian)(dian)壓(ya)也將(jiang)(jiang)隨(sui)發(fa)(fa)(fa)動(dong)機(ji)(ji)(ji)的(de)(de)轉(zhuan)速變(bian)化(hua)而(er)在(zai)很大(da)范(fan)圍內變(bian)化(hua)。發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)對用電(dian)(dian)(dian)(dian)(dian)設備供電(dian)(dian)(dian)(dian)(dian)和向(xiang)蓄電(dian)(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)(dian),都(dou)要求其電(dian)(dian)(dian)(dian)(dian)壓(ya)穩定,所以為使電(dian)(dian)(dian)(dian)(dian)壓(ya)始終保持在(zai)某一數值基本不(bu)變(bian),就必須對發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)輸出電(dian)(dian)(dian)(dian)(dian)壓(ya)進行調(diao)節(jie)。
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