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)壓調節器(qi)的(de)工作原理:由(you)于(yu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)與(yu)發(fa)(fa)動機(ji)(ji)(ji)的(de)傳動比固定,所以發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)轉速將隨發(fa)(fa)動機(ji)(ji)(ji)轉速的(de)變(bian)化(hua)而變(bian)化(hua)。汽(qi)車在運(yun)行過(guo)程中,發(fa)(fa)動機(ji)(ji)(ji)轉速變(bian)化(hua)范圍(wei)很(hen)大(da),發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)端電(dian)(dian)(dian)(dian)(dian)壓也將隨發(fa)(fa)動機(ji)(ji)(ji)的(de)轉速變(bian)化(hua)而在很(hen)大(da)范圍(wei)內變(bian)化(hua)。發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)對(dui)用電(dian)(dian)(dian)(dian)(dian)設備供(gong)電(dian)(dian)(dian)(dian)(dian)和(he)向蓄電(dian)(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)(dian),都要(yao)求(qiu)其(qi)電(dian)(dian)(dian)(dian)(dian)壓穩(wen)定,所以為使電(dian)(dian)(dian)(dian)(dian)壓始(shi)終保持在某一數(shu)值基本不變(bian),就必(bi)須對(dui)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)輸出電(dian)(dian)(dian)(dian)(dian)壓進(jin)行調節。
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