一、利用風(feng)能來驅動發電機發電
風(feng)力發(fa)(fa)(fa)電(dian)(dian)的基本原理(li)是(shi)利(li)用(yong)風(feng)能(neng)來驅動(dong)發(fa)(fa)(fa)電(dian)(dian)機(ji)(ji)發(fa)(fa)(fa)電(dian)(dian)。具體來說,當風(feng)吹過(guo)風(feng)力發(fa)(fa)(fa)電(dian)(dian)機(ji)(ji)的葉(xie)片時,葉(xie)片會受到(dao)(dao)風(feng)力的作用(yong)而(er)發(fa)(fa)(fa)生位移,這個過(guo)程中(zhong),風(feng)能(neng)轉化為機(ji)(ji)械(xie)能(neng)。然后(hou),這個機(ji)(ji)械(xie)能(neng)通(tong)過(guo)增速機(ji)(ji)(一種傳(chuan)(chuan)(chuan)動(dong)機(ji)(ji)構)將旋轉的速度提升,最終傳(chuan)(chuan)(chuan)遞給發(fa)(fa)(fa)電(dian)(dian)機(ji)(ji)。發(fa)(fa)(fa)電(dian)(dian)機(ji)(ji)通(tong)過(guo)電(dian)(dian)磁感應原理(li),將機(ji)(ji)械(xie)能(neng)轉化為電(dian)(dian)能(neng)。這些電(dian)(dian)能(neng)隨后(hou)通(tong)過(guo)電(dian)(dian)纜(lan)傳(chuan)(chuan)(chuan)輸到(dao)(dao)升壓變壓器(qi),經過(guo)變壓后(hou)再傳(chuan)(chuan)(chuan)輸到(dao)(dao)電(dian)(dian)網(wang)中(zhong),供(gong)給用(yong)戶使用(yong)。
風(feng)力(li)發(fa)電機組主要由風(feng)輪(包括葉(xie)片(pian)(pian)和輪轂)、傳(chuan)動系統、發(fa)電機、控制系統等部(bu)分(fen)組成。其中,葉(xie)片(pian)(pian)是捕捉風(feng)能的關鍵部(bu)件(jian),其設(she)計和選材(cai)直接影響到發(fa)電性能與功率。風(feng)力(li)發(fa)電具有環保、可(ke)再(zai)生(sheng)、無污染等優點,因此(ci)在全球(qiu)范(fan)圍內得到了廣泛(fan)的應用(yong)和推廣。
總(zong)的來說,風力發電(dian)就是將風能(neng)轉化為(wei)(wei)機械能(neng),再將機械能(neng)轉化為(wei)(wei)電(dian)能(neng)的過程。