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(ya)調節(jie)器的工作原理:由于發(fa)(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)與發(fa)(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)的傳動(dong)(dong)比固定(ding),所以(yi)發(fa)(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)的轉(zhuan)速(su)將隨(sui)發(fa)(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)轉(zhuan)速(su)的變(bian)(bian)(bian)化(hua)(hua)而變(bian)(bian)(bian)化(hua)(hua)。汽車在運行(xing)(xing)過程中,發(fa)(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)轉(zhuan)速(su)變(bian)(bian)(bian)化(hua)(hua)范圍很大(da),發(fa)(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)的端電(dian)(dian)(dian)壓(ya)也將隨(sui)發(fa)(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)的轉(zhuan)速(su)變(bian)(bian)(bian)化(hua)(hua)而在很大(da)范圍內變(bian)(bian)(bian)化(hua)(hua)。發(fa)(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)對用(yong)電(dian)(dian)(dian)設備供電(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)池充電(dian)(dian)(dian),都要求(qiu)其電(dian)(dian)(dian)壓(ya)穩(wen)定(ding),所以(yi)為(wei)使電(dian)(dian)(dian)壓(ya)始終保(bao)持在某一數值基本不(bu)變(bian)(bian)(bian),就(jiu)必須對發(fa)(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)的輸出電(dian)(dian)(dian)壓(ya)進行(xing)(xing)調節(jie)。
寶馬(ma)的1系轎車于2004年正式面(mian)世(shi),之(zhi)后就一直活躍在高端緊湊級的轎車市場上(shang)。而隨(sui)著2007年的中(zhong)(zhong)期(qi)改款(kuan)后,在原有兩廂(xiang)五門(men)(men)版本(ben)的基礎上(shang),又(you)陸續推(tui)出了(le)兩廂(xiang)三(san)門(men)(men)、三(san)廂(xiang)三(san)門(men)(men)以及三(san)廂(xiang)敞篷等多(duo)個版本(ben)。在今年6月份首先登(deng)陸到中(zhong)(zhong)國市場的則是中(zhong)(zhong)期(qi)改款(kuan)后的兩廂(xiang)五門(men)(men)版,共分為(wei)120i手動、120i自動以及130i自動三(san)個版本(ben)。
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