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(ya)(ya)調節器的(de)(de)工作原理:由于發電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)與發動機(ji)(ji)(ji)的(de)(de)傳動比固定,所以發電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)轉(zhuan)(zhuan)速(su)將隨(sui)發動機(ji)(ji)(ji)轉(zhuan)(zhuan)速(su)的(de)(de)變(bian)(bian)化而變(bian)(bian)化。汽車在(zai)(zai)運行過程中,發動機(ji)(ji)(ji)轉(zhuan)(zhuan)速(su)變(bian)(bian)化范圍很(hen)大,發電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)端電(dian)(dian)(dian)(dian)壓(ya)(ya)也將隨(sui)發動機(ji)(ji)(ji)的(de)(de)轉(zhuan)(zhuan)速(su)變(bian)(bian)化而在(zai)(zai)很(hen)大范圍內(nei)變(bian)(bian)化。發電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)對用電(dian)(dian)(dian)(dian)設備(bei)供(gong)電(dian)(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),都要求其電(dian)(dian)(dian)(dian)壓(ya)(ya)穩定,所以為使電(dian)(dian)(dian)(dian)壓(ya)(ya)始終保持在(zai)(zai)某一數(shu)值基本不(bu)變(bian)(bian),就必須(xu)對發電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)輸出電(dian)(dian)(dian)(dian)壓(ya)(ya)進行調節。
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