相(xiang)(xiang)繞組只有(you)勵磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)流If感生出的(de)空(kong)載(zai)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)勢E0（三(san)(san)相(xiang)(xiang)對(dui)稱），其大小隨If的(de)增大而增加。但是(shi)，由于電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)磁(ci)(ci)(ci)路鐵心有(you)飽和現(xian)象，所以兩者不成正(zheng)比。反映空(kong)載(zai)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)勢E0與(yu)(yu)(yu)勵磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)流If關系的(de)曲線稱為同(tong)(tong)步發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)空(kong)載(zai)特性(xing)(xing)。 3、電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)： 當發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)接上(shang)對(dui)稱負(fu)載(zai)后，電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)繞組中的(de)三(san)(san)相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)流會(hui)產生另一個旋(xuan)轉磁(ci)(ci)(ci)場(chang)(chang)，稱電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)磁(ci)(ci)(ci)場(chang)(chang)。其轉速正(zheng)好與(yu)(yu)(yu)轉子(zi)的(de)轉速相(xiang)(xiang)等(deng)，兩者同(tong)(tong)步旋(xuan)轉。 同(tong)(tong)步發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)磁(ci)(ci)(ci)場(chang)(chang)與(yu)(yu)(yu)轉子(zi)勵磁(ci)(ci)(ci)磁(ci)(ci)(ci)場(chang)(chang)均可(ke)近似地認為都按正(zheng)弦規(gui)律分布。它們之間(jian)(jian)的(de)空(kong)間(jian)(jian)相(xiang)(xiang)位差取(qu)決于空(kong)載(zai)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)勢E0與(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)電(dian)(dian)(dian)(dian)(dian)(dian)流I之間(jian)(jian)的(de)時間(jian)(jian)相(xiang)(xiang)位差。電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)磁(ci)(ci)(ci)場(chang)(chang)還與(yu)(yu)(yu)負(fu)載(zai)情(qing)況有(you)關。 當發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)負(fu)載(zai)為電(dian)(dian)(dian)(dian)(dian)(dian)感性(xing)(xing)時，電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)磁(ci)(ci)(ci)場(chang)(chang)起去磁(ci)(ci)(ci)作(zuo)用，會(hui)導(dao)致發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)降低；當負(fu)載(zai)呈電(dian)(dian)(dian)(dian)(dian)(dian)容性(xing)(xing)時，電(dian)(dian)(dian)(dian)(dian)(dian)樞(shu)反應(ying)磁(ci)(ci)(ci)場(chang)(chang)起助磁(ci)(ci)(ci)作(zuo)用，會(hui)使發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)升高。發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)運行查(cha)驗相(xiang)(xiang)關流程 1、查(cha)驗發(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)水(shui)箱水(shui)位線是(shi)不是(shi)正(zheng)常值(zhi)； 2、查(cha)驗發(fa)(fa)(fa)動(dong)(dong)機(ji)(ji)(ji)機(ji)(ji)(ji)油(you)是(shi)不是(shi)在要求的(de)油(you)面位置(zhi)； 3、查(cha)驗柴(chai)油(you)箱是(shi)不是(shi)有(you)充(chong)裕(yu)柴(chai)油(you)，供油(you)閥門(men)