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)壓調節器的(de)工作原(yuan)理(li):由于發(fa)(fa)電(dian)(dian)(dian)機(ji)與發(fa)(fa)動(dong)機(ji)的(de)傳動(dong)比固定,所(suo)以(yi)發(fa)(fa)電(dian)(dian)(dian)機(ji)的(de)轉(zhuan)速將(jiang)隨(sui)發(fa)(fa)動(dong)機(ji)轉(zhuan)速的(de)變(bian)化而(er)變(bian)化。汽(qi)車在運行(xing)過程中,發(fa)(fa)動(dong)機(ji)轉(zhuan)速變(bian)化范圍(wei)很大,發(fa)(fa)電(dian)(dian)(dian)機(ji)的(de)端(duan)電(dian)(dian)(dian)壓也將(jiang)隨(sui)發(fa)(fa)動(dong)機(ji)的(de)轉(zhuan)速變(bian)化而(er)在很大范圍(wei)內變(bian)化。發(fa)(fa)電(dian)(dian)(dian)機(ji)對用電(dian)(dian)(dian)設備供電(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)池充電(dian)(dian)(dian),都(dou)要求其(qi)電(dian)(dian)(dian)壓穩(wen)定,所(suo)以(yi)為(wei)使電(dian)(dian)(dian)壓始終保持在某一數(shu)值(zhi)基(ji)本不變(bian),就必須對發(fa)(fa)電(dian)(dian)(dian)機(ji)的(de)輸出電(dian)(dian)(dian)壓進(jin)行(xing)調節。
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