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)壓調(diao)節器的工作原(yuan)理:由于(yu)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)與發(fa)(fa)動(dong)(dong)機(ji)(ji)的傳動(dong)(dong)比固定,所以發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)的轉(zhuan)(zhuan)速(su)(su)將隨發(fa)(fa)動(dong)(dong)機(ji)(ji)轉(zhuan)(zhuan)速(su)(su)的變化(hua)(hua)而變化(hua)(hua)。汽(qi)車在(zai)運行過程(cheng)中,發(fa)(fa)動(dong)(dong)機(ji)(ji)轉(zhuan)(zhuan)速(su)(su)變化(hua)(hua)范圍很(hen)大,發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)的端電(dian)(dian)(dian)壓也將隨發(fa)(fa)動(dong)(dong)機(ji)(ji)的轉(zhuan)(zhuan)速(su)(su)變化(hua)(hua)而在(zai)很(hen)大范圍內變化(hua)(hua)。發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)對(dui)用(yong)電(dian)(dian)(dian)設備供電(dian)(dian)(dian)和(he)向(xiang)蓄電(dian)(dian)(dian)池充電(dian)(dian)(dian),都(dou)要求其電(dian)(dian)(dian)壓穩定,所以為使電(dian)(dian)(dian)壓始終保持在(zai)某一數值(zhi)基本不變,就(jiu)必須對(dui)發(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)的輸出電(dian)(dian)(dian)壓進行調(diao)節。
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