發電機是怎么發電的
發電(dian)(dian)(dian)機(ji)(ji)是指(zhi)將其他形式的能源(yuan)轉(zhuan)換成(cheng)電(dian)(dian)(dian)能的機(ji)(ji)械設備,它由水(shui)輪(lun)機(ji)(ji)、汽輪(lun)機(ji)(ji)、柴油(you)機(ji)(ji)或(huo)其他動力機(ji)(ji)械驅動,將水(shui)流(liu),氣流(liu),燃料(liao)燃燒或(huo)原子核裂變產生的能量轉(zhuan)化為機(ji)(ji)械能傳(chuan)給發電(dian)(dian)(dian)機(ji)(ji),再由發電(dian)(dian)(dian)機(ji)(ji)轉(zhuan)換為電(dian)(dian)(dian)能。
發(fa)電(dian)(dian)機的形(xing)式(shi)很(hen)多,但(dan)其(qi)(qi)工作原(yuan)(yuan)理都(dou)基于電(dian)(dian)磁(ci)感(gan)應定律和(he)電(dian)(dian)磁(ci)力(li)定律。因此,其(qi)(qi)構造的一(yi)般原(yuan)(yuan)則是:用(yong)適當的導磁(ci)和(he)導電(dian)(dian)材(cai)料構成互相進行(xing)電(dian)(dian)磁(ci)感(gan)應的磁(ci)路(lu)(lu)和(he)電(dian)(dian)路(lu)(lu),以產(chan)生電(dian)(dian)磁(ci)功率,達到(dao)能(neng)量轉(zhuan)換的目的。
發電機不發電是什么原因
發(fa)電(dian)機不發(fa)電(dian)有(you)這(zhe)些(xie)原因(yin):發(fa)電(dian)(dian)(dian)機(ji)(ji)過熱;發(fa)電(dian)(dian)(dian)機(ji)(ji)中性線對地有異常電(dian)(dian)(dian)壓(ya);發(fa)電(dian)(dian)(dian)機(ji)(ji)電(dian)(dian)(dian)流過大;發(fa)電(dian)(dian)(dian)機(ji)(ji)端(duan)電(dian)(dian)(dian)壓(ya)過高;功率(lv)不足(zu);定子繞組絕緣擊穿、短路;定子鐵(tie)芯松馳;鐵(tie)芯片間(jian)短路;發(fa)電(dian)(dian)(dian)機(ji)(ji)失去剩磁(ci),起(qi)動(dong)時(shi)不能發(fa)電(dian)(dian)(dian);自動(dong)勵(li)磁(ci)裝置的(de)勵(li)磁(ci)電(dian)(dian)(dian)抗器溫度(du)過高;發(fa)電(dian)(dian)(dian)機(ji)(ji)起(qi)動(dong)后,電(dian)(dian)(dian)壓(ya)升不起(qi)來。
發電機不發電檢查方法
萬用表電(dian)壓(ya)檔檢測;外(wai)接電(dian)流表檢測;試燈(deng)(汽車燈(deng)泡)法;改變發(fa)動機轉(zhuan)速觀察(cha)大燈(deng)亮度法;拆下蓄電(dian)池搭鐵看發(fa)動機是否(fou)工(gong)作法。
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。