發電機是怎么發電的
發(fa)電(dian)(dian)(dian)機(ji)是指將其他(ta)形(xing)式的能(neng)源(yuan)轉(zhuan)換成(cheng)電(dian)(dian)(dian)能(neng)的機(ji)械設備,它由(you)水(shui)輪(lun)機(ji)、汽輪(lun)機(ji)、柴(chai)油機(ji)或其他(ta)動(dong)力機(ji)械驅動(dong),將水(shui)流,氣流,燃料燃燒或原子核裂變產(chan)生的能(neng)量轉(zhuan)化為機(ji)械能(neng)傳給發(fa)電(dian)(dian)(dian)機(ji),再(zai)由(you)發(fa)電(dian)(dian)(dian)機(ji)轉(zhuan)換為電(dian)(dian)(dian)能(neng)。
發(fa)電(dian)機的(de)形式(shi)很多,但其工作原(yuan)理都基于電(dian)磁(ci)感應定(ding)律和電(dian)磁(ci)力定(ding)律。因此,其構造的(de)一般原(yuan)則是:用適(shi)當的(de)導磁(ci)和導電(dian)材(cai)料構成(cheng)互相進行電(dian)磁(ci)感應的(de)磁(ci)路(lu)和電(dian)路(lu),以(yi)產生電(dian)磁(ci)功率,達(da)到能量(liang)轉換的(de)目的(de)。
發電機不發電是什么原因
發(fa)(fa)電(dian)機不(bu)發(fa)(fa)電(dian)有這(zhe)些原因(yin):發(fa)電(dian)(dian)(dian)機(ji)(ji)過熱(re);發(fa)電(dian)(dian)(dian)機(ji)(ji)中性線(xian)對地有異常電(dian)(dian)(dian)壓(ya)(ya);發(fa)電(dian)(dian)(dian)機(ji)(ji)電(dian)(dian)(dian)流(liu)過大;發(fa)電(dian)(dian)(dian)機(ji)(ji)端電(dian)(dian)(dian)壓(ya)(ya)過高;功率不足;定(ding)子(zi)(zi)繞組絕緣擊(ji)穿、短(duan)路;定(ding)子(zi)(zi)鐵(tie)芯松(song)馳;鐵(tie)芯片間短(duan)路;發(fa)電(dian)(dian)(dian)機(ji)(ji)失去剩磁,起動(dong)時不能發(fa)電(dian)(dian)(dian);自動(dong)勵磁裝(zhuang)置的勵磁電(dian)(dian)(dian)抗器溫(wen)度(du)過高;發(fa)電(dian)(dian)(dian)機(ji)(ji)起動(dong)后,電(dian)(dian)(dian)壓(ya)(ya)升不起來。
發電機不發電檢查方法
萬用表電壓檔(dang)檢測;外(wai)接電流表檢測;試(shi)燈(汽車燈泡)法(fa);改變(bian)發(fa)動(dong)機轉速觀(guan)察大燈亮度法(fa);拆下蓄電池搭(da)鐵看(kan)發(fa)動(dong)機是否工作法(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。