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當前位置:首頁 ? 新聞資訊 ? 濟南發電機出租租賃,發電機發生故障的影響,工作原理及維修方法

濟南發電機出租租賃,發電機發生故障的影響,工作原理及維修方法

發布來源:山東龍佩機電設備有限公司  發布日期: 2021-03-18  訪問量:2862

發電機(ji)發生故(gu)障(zhang)影響(xiang)

交流發電機(ji)不(bu)發電會造成蓄電池嚴(yan)重虧電,從(cong)而導致啟動時起動機(ji)無法(fa)工作。

交(jiao)流(liu)發電(dian)機正常(chang)發電(dian),必須(xu)具(ju)備兩(liang)個條件:一是勵磁電(dian)路(lu)、定子(zi)繞組電(dian)路(lu)和(he)整流(liu)器必須(xu)工作正常(chang);二是交(jiao)流(liu)發電(dian)機轉(zhuan)子(zi)必須(xu)旋轉(zhuan)。在正常(chang)情況下,交(jiao)流(liu)發電(dian)機工作時(shi)的(de)輸出電(dian)壓應為(wei)13.8~14.5V,蓄(xu)電(dian)池在發動機熄火時(shi)電(dian)壓應為(wei)12V 左右。

充電系統工(gong)作路(lu)徑

1.直流(liu)電輸(shu)出

· 打開電(dian)火開關

打(da)開電火(huo)開關(不啟(qi)動發動機),首先由蓄電池提供電流。

其電路為蓄(xu)電池(chi)正極→充(chong)電指示(shi)燈(deng)→調節器觸點→勵磁繞(rao)阻→搭鐵(tie)→蓄(xu)電池(chi)負極。此時,充(chong)電指示(shi)燈(deng)因為有電流通過,所以(yi)燈(deng)會亮。

· 發動(dong)機啟動(dong)后(hou)

發(fa)(fa)動(dong)機(ji)啟動(dong)后,隨著發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)轉速提高,發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)的(de)端(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)壓也(ye)不斷升高。當發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)的(de)輸(shu)出電(dian)(dian)(dian)(dian)(dian)壓與(yu)蓄電(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)壓相(xiang)(xiang)等時,發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)B 端(duan)(duan)(duan)和D端(duan)(duan)(duan)的(de)電(dian)(dian)(dian)(dian)(dian)位相(xiang)(xiang)等,此(ci)時,充電(dian)(dian)(dian)(dian)(dian)指示(shi)燈由于(yu)兩端(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)位差(cha)為零(ling)而熄滅。指示(shi)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)已經正常工(gong)作,勵(li)磁電(dian)(dian)(dian)(dian)(dian)流由發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)自己供給。發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)中三相(xiang)(xiang)繞(rao)阻(zu)所產生的(de)三相(xiang)(xiang)交流電(dian)(dian)(dian)(dian)(dian)動(dong)勢經二極管整流后,輸(shu)出直流電(dian)(dian)(dian)(dian)(dian),向負(fu)載(zai)供電(dian)(dian)(dian)(dian)(dian),并向蓄電(dian)(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)(dian)。

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· 啟動和(he)充電布線

啟(qi)動和充(chong)電(dian)布線(xian)

2.充電系統部件

· 發(fa)電機

傳(chuan)動(dong)皮帶驅(qu)動(dong)發(fa)電(dian)(dian)機。當轉(zhuan)(zhuan)子旋轉(zhuan)(zhuan)時(shi),它將使定(ding)子線圈產(chan)生交流(liu)(liu)(liu)電(dian)(dian)(AC)。然后,交流(liu)(liu)(liu)電(dian)(dian)壓(ya)通過(guo)一系列二極管整流(liu)(liu)(liu)。整流(liu)(liu)(liu)電(dian)(dian)壓(ya)轉(zhuan)(zhuan)換成(cheng)供車(che)輛電(dian)(dian)氣系統(tong)使用的直流(liu)(liu)(liu)電(dian)(dian)(DC),以維(wei)持電(dian)(dian)氣負載和(he)蓄電(dian)(dian)池充電(dian)(dian)。電(dian)(dian)壓(ya)調節器與發(fa)電(dian)(dian)機控(kong)制(zhi)裝置集成(cheng)一體,控(kong)制(zhi)著發(fa)電(dian)(dian)機的輸出(chu),一般不(bu)可(ke)維(wei)修。電(dian)(dian)壓(ya)調節器控(kong)制(zhi)供給轉(zhuan)(zhuan)子的電(dian)(dian)流(liu)(liu)(liu)大小。如果發(fa)電(dian)(dian)機磁場控(kong)制(zhi)電(dian)(dian)路出(chu)現故障,則發(fa)電(dian)(dian)機默認輸出(chu)電(dian)(dian)壓(ya)為13.8V。

· 車身控(kong)制模塊(kuai)

車身控(kong)制(zhi)(zhi)模塊(kuai)(kuai)與(yu)發(fa)(fa)(fa)動(dong)機(ji)控(kong)制(zhi)(zhi)模塊(kuai)(kuai)和儀表(biao)板(ban)組合儀表(biao)通(tong)信(xin)以進行(xing)電(dian)(dian)(dian)源管理操作。車身控(kong)制(zhi)(zhi)模塊(kuai)(kuai)確定(ding)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)輸出,并(bing)發(fa)(fa)(fa)送信(xin)息(xi)到發(fa)(fa)(fa)動(dong)機(ji)控(kong)制(zhi)(zhi)模塊(kuai)(kuai),以控(kong)制(zhi)(zhi)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)接(jie)通(tong)信(xin)號電(dian)(dian)(dian)路(lu)。它監測來(lai)自發(fa)(fa)(fa)動(dong)機(ji)控(kong)制(zhi)(zhi)模塊(kuai)(kuai)的發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)磁場占空比信(xin)號電(dian)(dian)(dian)路(lu)信(xin)息(xi),以控(kong)制(zhi)(zhi)發(fa)(fa)(fa)電(dian)(dian)(dian)機(ji)。它監測蓄電(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)流傳感器、蓄電(dian)(dian)(dian)池(chi)(chi)正極電(dian)(dian)(dian)壓電(dian)(dian)(dian)路(lu),并(bing)估計蓄電(dian)(dian)(dian)池(chi)(chi)溫(wen)度(du)以確定(ding)蓄電(dian)(dian)(dian)池(chi)(chi)充電(dian)(dian)(dian)狀態。車身控(kong)制(zhi)(zhi)模塊(kuai)(kuai)進行(xing)怠速提高。

· 蓄(xu)電池(chi)電流傳(chuan)感器

電流傳感(gan)器

1—蓄電(dian)池(chi)負極電(dian)纜(lan);2—電(dian)流(liu)傳感(gan)器(qi)

蓄(xu)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)流(liu)傳(chuan)感(gan)器(qi)與蓄(xu)電(dian)(dian)池(chi)(chi)(chi)處的蓄(xu)電(dian)(dian)池(chi)(chi)(chi)負極(ji)或正極(ji)電(dian)(dian)纜(lan)連接(jie)在一(yi)起。蓄(xu)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)流(liu)傳(chuan)感(gan)器(qi)是一(yi)個(ge)3 線式霍爾效應電(dian)(dian)流(liu)傳(chuan)感(gan)器(qi)。蓄(xu)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)流(liu)傳(chuan)感(gan)器(qi)監(jian)測蓄(xu)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)流(liu)。它直接(jie)輸入到車(che)身控制模塊中。

· 發動(dong)機(ji)控制模塊

發(fa)(fa)(fa)動機(ji)運行(xing)時,發(fa)(fa)(fa)動機(ji)控(kong)制(zhi)模塊將發(fa)(fa)(fa)電(dian)機(ji)接(jie)通(tong)信號發(fa)(fa)(fa)送至(zhi)發(fa)(fa)(fa)電(dian)機(ji)以打開調(diao)節(jie)器。發(fa)(fa)(fa)電(dian)機(ji)電(dian)壓調(diao)節(jie)器通(tong)過控(kong)制(zhi)轉子的(de)電(dian)流從(cong)而(er)控(kong)制(zhi)輸出電(dian)壓。轉子電(dian)流與調(diao)節(jie)器供給(gei)的(de)電(dian)脈沖寬度成正比。發(fa)(fa)(fa)動機(ji)啟動后,調(diao)節(jie)器通(tong)過內(nei)部(bu)導線檢(jian)測定子上的(de)交流電(dian)壓從(cong)而(er)感應發(fa)(fa)(fa)電(dian)機(ji)的(de)轉動。

一旦發(fa)(fa)(fa)動機運(yun)(yun)行,調(diao)(diao)節(jie)器(qi)通過控(kong)(kong)制(zhi)脈沖寬(kuan)度來(lai)改變勵磁場(chang)(chang)電(dian)(dian)流。這就(jiu)能調(diao)(diao)節(jie)發(fa)(fa)(fa)電(dian)(dian)機輸出(chu)(chu)電(dian)(dian)壓,使(shi)蓄電(dian)(dian)池(chi)正(zheng)常(chang)(chang)充電(dian)(dian)以(yi)及(ji)電(dian)(dian)氣系(xi)(xi)統正(zheng)常(chang)(chang)運(yun)(yun)行。發(fa)(fa)(fa)電(dian)(dian)機磁場(chang)(chang)占(zhan)空比端子連接(jie)到(dao)內部電(dian)(dian)壓調(diao)(diao)節(jie)器(qi)和外部發(fa)(fa)(fa)動機控(kong)(kong)制(zhi)模(mo)塊。當(dang)電(dian)(dian)壓調(diao)(diao)節(jie)器(qi)檢測(ce)(ce)到(dao)充電(dian)(dian)系(xi)(xi)統故障時,向此(ci)電(dian)(dian)路(lu)提(ti)(ti)供搭鐵以(yi)向發(fa)(fa)(fa)動機控(kong)(kong)制(zhi)模(mo)塊發(fa)(fa)(fa)送信(xin)號,提(ti)(ti)示存在故障。發(fa)(fa)(fa)動機控(kong)(kong)制(zhi)模(mo)塊監測(ce)(ce)發(fa)(fa)(fa)電(dian)(dian)機磁場(chang)(chang)占(zhan)空比信(xin)號電(dian)(dian)路(lu),并接(jie)收基于(yu)車身控(kong)(kong)制(zhi)模(mo)塊信(xin)息而做出(chu)(chu)的控(kong)(kong)制(zhi)指令。

· 儀表板組合儀表

充電系統出現故障時,儀表板組(zu)合儀表會提(ti)示。

//redultras.net