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)壓調節器(qi)的(de)(de)工作原理:由于發(fa)電(dian)(dian)(dian)(dian)機(ji)與發(fa)動(dong)機(ji)的(de)(de)傳動(dong)比(bi)固(gu)定,所以發(fa)電(dian)(dian)(dian)(dian)機(ji)的(de)(de)轉(zhuan)速(su)(su)將(jiang)隨發(fa)動(dong)機(ji)轉(zhuan)速(su)(su)的(de)(de)變化而(er)變化。汽車在運行過(guo)程中,發(fa)動(dong)機(ji)轉(zhuan)速(su)(su)變化范(fan)圍(wei)很大,發(fa)電(dian)(dian)(dian)(dian)機(ji)的(de)(de)端電(dian)(dian)(dian)(dian)壓也將(jiang)隨發(fa)動(dong)機(ji)的(de)(de)轉(zhuan)速(su)(su)變化而(er)在很大范(fan)圍(wei)內變化。發(fa)電(dian)(dian)(dian)(dian)機(ji)對用電(dian)(dian)(dian)(dian)設備(bei)供電(dian)(dian)(dian)(dian)和向蓄電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian),都要求其電(dian)(dian)(dian)(dian)壓穩定,所以為使電(dian)(dian)(dian)(dian)壓始終保持在某一數(shu)值基本(ben)不變,就(jiu)必(bi)須對發(fa)電(dian)(dian)(dian)(dian)機(ji)的(de)(de)輸出電(dian)(dian)(dian)(dian)壓進(jin)行調節。
寶馬8系在成都車(che)(che)展(zhan)全新上(shang)市(shi)。作為(wei)(wei)轎跑(pao)(pao)(pao),它的車(che)(che)身造型可分為(wei)(wei)三個版(ban)本(ben),分別是(shi)四門(men)轎跑(pao)(pao)(pao)車(che)(che)、雙門(men)轎跑(pao)(pao)(pao)車(che)(che)和敞篷轎跑(pao)(pao)(pao)車(che)(che),售價售96.80-219.80萬元 。
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