發電機是怎么發電的
發電機(ji)是指將其(qi)(qi)他形(xing)式的(de)能(neng)源轉換(huan)成電能(neng)的(de)機(ji)械設備,它由水(shui)輪機(ji)、汽輪機(ji)、柴油機(ji)或其(qi)(qi)他動力機(ji)械驅動,將水(shui)流,氣流,燃料(liao)燃燒或原子核(he)裂變產生的(de)能(neng)量轉化(hua)為機(ji)械能(neng)傳(chuan)給發電機(ji),再由發電機(ji)轉換(huan)為電能(neng)。
發電(dian)(dian)(dian)(dian)機的形式很多,但其工作原理都基于電(dian)(dian)(dian)(dian)磁(ci)感(gan)應(ying)定律和電(dian)(dian)(dian)(dian)磁(ci)力(li)定律。因此(ci),其構造的一般原則(ze)是:用適(shi)當的導磁(ci)和導電(dian)(dian)(dian)(dian)材料構成互(hu)相進行電(dian)(dian)(dian)(dian)磁(ci)感(gan)應(ying)的磁(ci)路(lu)和電(dian)(dian)(dian)(dian)路(lu),以產生電(dian)(dian)(dian)(dian)磁(ci)功(gong)率(lv),達到(dao)能量轉換的目的。
發電機不發電是什么原因
發電機(ji)不發電有這些原因:發(fa)(fa)電(dian)(dian)(dian)機(ji)過(guo)熱(re);發(fa)(fa)電(dian)(dian)(dian)機(ji)中性線(xian)對地(di)有異常電(dian)(dian)(dian)壓(ya);發(fa)(fa)電(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)流過(guo)大(da);發(fa)(fa)電(dian)(dian)(dian)機(ji)端(duan)電(dian)(dian)(dian)壓(ya)過(guo)高(gao);功率不(bu)足;定子繞組絕(jue)緣擊穿(chuan)、短路(lu);定子鐵(tie)芯松馳(chi);鐵(tie)芯片間短路(lu);發(fa)(fa)電(dian)(dian)(dian)機(ji)失去剩磁(ci)(ci),起動(dong)時不(bu)能發(fa)(fa)電(dian)(dian)(dian);自動(dong)勵磁(ci)(ci)裝(zhuang)置的勵磁(ci)(ci)電(dian)(dian)(dian)抗器溫度過(guo)高(gao);發(fa)(fa)電(dian)(dian)(dian)機(ji)起動(dong)后(hou),電(dian)(dian)(dian)壓(ya)升不(bu)起來。
發電機不發電檢查方法
萬(wan)用表(biao)電(dian)(dian)壓檔檢測;外(wai)接(jie)電(dian)(dian)流表(biao)檢測;試燈(deng)(汽車燈(deng)泡(pao))法(fa);改(gai)變發動機轉速觀察大燈(deng)亮度法(fa);拆(chai)下蓄電(dian)(dian)池(chi)搭鐵(tie)看發動機是否工(gong)作法(fa)。
什么樣的發電機比較好
一臺合格的發電機應該具備生產許可證、產品合格證、商標注冊證。其中產品合格證應該包括整個機組的合格證、內燃機合格證和發電機合格證。其次,機器噪音要低,一般好的品牌發電機,噪音都比較小。