發電機是怎么發電的
發電(dian)(dian)機(ji)(ji)是指將其(qi)他(ta)形式的(de)能(neng)(neng)源(yuan)轉換成電(dian)(dian)能(neng)(neng)的(de)機(ji)(ji)械設(she)備,它由(you)水輪機(ji)(ji)、汽輪機(ji)(ji)、柴(chai)油機(ji)(ji)或(huo)其(qi)他(ta)動力機(ji)(ji)械驅動,將水流,氣流,燃(ran)料(liao)燃(ran)燒或(huo)原(yuan)子(zi)核(he)裂變產生(sheng)的(de)能(neng)(neng)量轉化為機(ji)(ji)械能(neng)(neng)傳給發電(dian)(dian)機(ji)(ji),再由(you)發電(dian)(dian)機(ji)(ji)轉換為電(dian)(dian)能(neng)(neng)。
發電(dian)(dian)機的(de)形式很多(duo),但(dan)其工作原理(li)都基于電(dian)(dian)磁感應定(ding)律(lv)和電(dian)(dian)磁力定(ding)律(lv)。因(yin)此,其構(gou)造的(de)一般原則(ze)是(shi):用適當的(de)導磁和導電(dian)(dian)材(cai)料(liao)構(gou)成(cheng)互相進行電(dian)(dian)磁感應的(de)磁路(lu)和電(dian)(dian)路(lu),以產生電(dian)(dian)磁功率,達到能量轉換的(de)目的(de)。
發電機不發電是什么原因
發電機不發電有這些原因:發(fa)電(dian)(dian)(dian)機過(guo)熱;發(fa)電(dian)(dian)(dian)機中性線對地有異常電(dian)(dian)(dian)壓(ya);發(fa)電(dian)(dian)(dian)機電(dian)(dian)(dian)流(liu)過(guo)大;發(fa)電(dian)(dian)(dian)機端電(dian)(dian)(dian)壓(ya)過(guo)高;功率不(bu)足;定子繞組絕緣(yuan)擊穿(chuan)、短路;定子鐵芯(xin)松(song)馳;鐵芯(xin)片間短路;發(fa)電(dian)(dian)(dian)機失(shi)去(qu)剩(sheng)磁(ci)(ci),起(qi)(qi)動時不(bu)能發(fa)電(dian)(dian)(dian);自動勵(li)磁(ci)(ci)裝置的勵(li)磁(ci)(ci)電(dian)(dian)(dian)抗器(qi)溫度過(guo)高;發(fa)電(dian)(dian)(dian)機起(qi)(qi)動后,電(dian)(dian)(dian)壓(ya)升不(bu)起(qi)(qi)來。
發電機不發電檢查方法
萬用(yong)表(biao)電(dian)壓檔檢(jian)測;外接(jie)電(dian)流表(biao)檢(jian)測;試(shi)燈(汽車燈泡)法;改變發(fa)動(dong)機轉速(su)觀察大燈亮(liang)度法;拆下蓄電(dian)池(chi)搭鐵看發(fa)動(dong)機是否工作法。
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。