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)(dian)(dian)壓調節器(qi)的(de)工作原理:由于發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)與發(fa)動(dong)機(ji)(ji)的(de)傳動(dong)比固定,所以發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)轉(zhuan)速將(jiang)(jiang)隨發(fa)動(dong)機(ji)(ji)轉(zhuan)速的(de)變化而變化。汽車(che)在(zai)運行過程中,發(fa)動(dong)機(ji)(ji)轉(zhuan)速變化范圍(wei)很(hen)大,發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓也將(jiang)(jiang)隨發(fa)動(dong)機(ji)(ji)的(de)轉(zhuan)速變化而在(zai)很(hen)大范圍(wei)內變化。發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)對用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)設備(bei)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)(dian)(dian)(dian),都要求其電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓穩定,所以為使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓始終保持在(zai)某一數值基本不變,就必須(xu)對發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓進(jin)行調節。
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