一(yi)、風(feng)力發電(dian)機變壓器的(de)概念及作用
風(feng)力(li)(li)發電機變(bian)壓(ya)器是將風(feng)力(li)(li)發電機產(chan)生(sheng)的電能變(bian)換(huan)成高壓(ya)電能的重(zhong)要裝置。風力發電機發出的電壓較低(通常為400伏),不能直接輸送給電網,需要通過變壓器變換為高壓電能(如10萬伏),以便輸送給電網進行分配。因此,風力發電機變壓器的作用是將低壓電能變換成高壓電能,以便輸送給電網。
二、風力發電機變壓器的工(gong)作原理
風(feng)(feng)力(li)發電(dian)(dian)機(ji)(ji)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)工作(zuo)(zuo)基于電(dian)(dian)磁感(gan)應原理(li),其結(jie)構與(yu)普通變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)相似。在風(feng)(feng)力(li)發電(dian)(dian)機(ji)(ji)的(de)輸(shu)出端,通過(guo)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側(ce),將電(dian)(dian)能(neng)傳輸(shu)到變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)高壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側(ce),達到變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)升壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)作(zuo)(zuo)用。變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)的(de)主要元件(jian)包括鐵(tie)芯、繞組(zu)和絕緣材料。當風(feng)(feng)力(li)發電(dian)(dian)機(ji)(ji)輸(shu)出電(dian)(dian)流通過(guo)變(bian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)(qi)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側(ce)的(de)繞組(zu)時,產生的(de)磁場作(zuo)(zuo)用于鐵(tie)芯和高壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側(ce)的(de)繞組(zu),從(cong)而(er)激勵高壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)側(ce)的(de)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)。
三(san)、風力發電(dian)機變壓器的(de)分(fen)類
風(feng)(feng)力(li)發(fa)(fa)(fa)電機變壓(ya)(ya)器通常(chang)根據(ju)功率(lv)分為兩類:小(xiao)型(xing)變壓(ya)(ya)器和大型(xing)變壓(ya)(ya)器。小(xiao)型(xing)變壓(ya)(ya)器的功率(lv)在(zai)100千伏安(an)以下,適用于小(xiao)型(xing)風(feng)(feng)力(li)發(fa)(fa)(fa)電機系統,而大型(xing)變壓(ya)(ya)器則適用于大型(xing)風(feng)(feng)力(li)發(fa)(fa)(fa)電場中的中高檔和高檔直驅(qu)風(feng)(feng)力(li)發(fa)(fa)(fa)電機。
四(si)、風力發電機變壓器的維(wei)護
風(feng)力發電機變(bian)壓(ya)(ya)器(qi)在長期使用過程中,需要進行日常(chang)維(wei)護(hu)和(he)檢測(ce)。主要包(bao)括定(ding)期清理和(he)檢查絕緣材料、繞組和(he)冷(leng)卻(que)器(qi)、檢查變(bian)壓(ya)(ya)器(qi)的(de)連接(jie)線路(lu)是否正(zheng)常(chang)和(he)確保(bao)變(bian)壓(ya)(ya)器(qi)油的(de)溫(wen)度和(he)冷(leng)卻(que)系統(tong)的(de)正(zheng)常(chang)運行。
【結論】
風(feng)(feng)力發(fa)(fa)電(dian)(dian)機(ji)變(bian)壓器(qi)是將(jiang)風(feng)(feng)力發(fa)(fa)電(dian)(dian)機(ji)產生的(de)電(dian)(dian)能(neng)(neng)變(bian)換(huan)(huan)成(cheng)高壓電(dian)(dian)能(neng)(neng)的(de)重要(yao)裝置。其主(zhu)要(yao)作用是將(jiang)低壓電(dian)(dian)能(neng)(neng)變(bian)換(huan)(huan)成(cheng)高壓電(dian)(dian)能(neng)(neng),以便輸(shu)送給電(dian)(dian)網(wang)。在(zai)風(feng)(feng)力發(fa)(fa)電(dian)(dian)機(ji)系統(tong)中,變(bian)壓器(qi)的(de)分(fen)(fen)類根(gen)據功(gong)率分(fen)(fen)為(wei)(wei)小(xiao)型(xing)變(bian)壓器(qi)和大型(xing)變(bian)壓器(qi)。為(wei)(wei)確保(bao)變(bian)壓器(qi)的(de)正(zheng)常(chang)運(yun)行(xing)(xing)(xing),要(yao)進行(xing)(xing)(xing)定期清理、檢(jian)查(cha)絕緣(yuan)材料、繞組和冷卻器(qi),并確保(bao)變(bian)壓器(qi)的(de)連接線路正(zheng)常(chang)及變(bian)壓器(qi)油的(de)溫度和冷卻系統(tong)正(zheng)常(chang)運(yun)行(xing)(xing)(xing)。