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)壓調(diao)節(jie)器的(de)(de)(de)工作(zuo)原理:由于發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)與發(fa)動(dong)機(ji)(ji)的(de)(de)(de)傳動(dong)比固(gu)定(ding),所以發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)轉(zhuan)(zhuan)速將(jiang)隨(sui)發(fa)動(dong)機(ji)(ji)轉(zhuan)(zhuan)速的(de)(de)(de)變(bian)(bian)化(hua)(hua)(hua)而變(bian)(bian)化(hua)(hua)(hua)。汽(qi)車在(zai)運行過程中,發(fa)動(dong)機(ji)(ji)轉(zhuan)(zhuan)速變(bian)(bian)化(hua)(hua)(hua)范(fan)圍很(hen)大,發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)端電(dian)(dian)(dian)(dian)壓也將(jiang)隨(sui)發(fa)動(dong)機(ji)(ji)的(de)(de)(de)轉(zhuan)(zhuan)速變(bian)(bian)化(hua)(hua)(hua)而在(zai)很(hen)大范(fan)圍內變(bian)(bian)化(hua)(hua)(hua)。發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)對用電(dian)(dian)(dian)(dian)設備供電(dian)(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),都(dou)要求其電(dian)(dian)(dian)(dian)壓穩定(ding),所以為使電(dian)(dian)(dian)(dian)壓始終保持在(zai)某一數值(zhi)基(ji)本(ben)不(bu)變(bian)(bian),就必須對發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)輸出電(dian)(dian)(dian)(dian)壓進行調(diao)節(jie)。
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