汽(qi)車(che)的供電(dian)系統是(shi)由汽(qi)車(che)蓄(xu)電(dian)池(chi)和發電(dian)機組成,發電(dian)機負(fu)責對(dui)電(dian)池(chi)進行充電(dian),使電(dian)池(chi)長期保持(chi)在足(zu)電(dian)狀態。電(dian)池(chi)和發電(dian)機負(fu)責對(dui)全車(che)的電(dian)器進行供電(dian)。
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。
電壓調節器的工作原理:由于發電機與發動機的傳動比固定,所以發電機的轉速將隨發動機轉速的變化而變化。汽車在運行過程中,發動機轉速變化范圍很大,發電機的端電壓也將隨發動機的轉速變化而在很大范圍內變化。發電機對用電設備供電和向蓄電池充電,都要求其電壓穩定,所以為使電壓始終保持在某一數值基本不變,就必須對發電機的輸出電壓進行調節。
發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)調節(jie)器的(de)(de)主要作(zuo)用是為了控制發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)在額(e)定(ding)值(zhi)內,由于發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)與發(fa)(fa)(fa)動機(ji)(ji)的(de)(de)傳動比(bi)是固(gu)定(ding)的(de)(de),所以(yi)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)轉(zhuan)速(su)(su)將隨發(fa)(fa)(fa)動機(ji)(ji)轉(zhuan)速(su)(su)的(de)(de)變(bian)化(hua)而(er)變(bian)化(hua)。汽(qi)車在運行過程中發(fa)(fa)(fa)動機(ji)(ji)轉(zhuan)速(su)(su)變(bian)化(hua)范圍很大,發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)端電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)也將隨發(fa)(fa)(fa)動機(ji)(ji)的(de)(de)轉(zhuan)速(su)(su)變(bian)化(hua)而(er)在很大范圍內變(bian)化(hua)。發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)對用電(dian)(dian)(dian)(dian)(dian)(dian)設備供電(dian)(dian)(dian)(dian)(dian)(dian)和向(xiang)蓄(xu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)(dian)(dian),都(dou)要求其(qi)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)穩定(ding),為了使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)始終保持在某一數值(zhi)基(ji)本不變(bian),就必須對發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)進行調節(jie)。
寶馬GT屬于旅行車。GT:拉丁文Gran Turismo,英文翻譯為Grand Touring,Grand的意思是大,而Touring的意思是旅行。用在一起就是大旅行車的意思了,寶馬5系是傳統的轎車,另外GT的價格高于轎車
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