山東(dong)省青(qing)州市(shi)魯東(dong)機械2.1MW光伏(fu)發電(dian)站項(xiang)目。彩鋼瓦屋頂光伏(fu)發電(dian)站,已并網發電(dian)成功!
輸送方式
太陽能光(guang)(guang)伏(fu)發(fa)電(dian)分為獨立(li)光(guang)(guang)伏(fu)發(fa)電(dian)、并(bing)網(wang)光(guang)(guang)伏(fu)發(fa)電(dian)、分布式光(guang)(guang)伏(fu)發(fa)電(dian)
獨立光伏發電
獨(du)立(li)光伏(fu)發電(dian)(dian)系統(tong)也叫離網光伏(fu)發電(dian)(dian)系統(tong)。主要(yao)由太陽能電(dian)(dian)池(chi)組(zu)件、控制器(qi)、蓄電(dian)(dian)池(chi)組(zu)成,若要(yao)為交流負載供電(dian)(dian),還需要(yao)配(pei)置交流逆(ni)變器(qi)。
并網光伏發電
并(bing)網(wang)(wang)(wang)(wang)光(guang)伏發(fa)(fa)電(dian)(dian)(dian)系統(tong)就是(shi)(shi)太陽能組件(jian)產生的直(zhi)流(liu)電(dian)(dian)(dian)經過并(bing)網(wang)(wang)(wang)(wang)逆變器轉換成符合市電(dian)(dian)(dian)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)要求(qiu)的交(jiao)流(liu)電(dian)(dian)(dian)之后直(zhi)接接入公(gong)共電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)。并(bing)網(wang)(wang)(wang)(wang)光(guang)伏發(fa)(fa)電(dian)(dian)(dian)系統(tong)有集中式大型并(bing)網(wang)(wang)(wang)(wang)光(guang)伏電(dian)(dian)(dian)站一(yi)般都是(shi)(shi)國家(jia)級電(dian)(dian)(dian)站,主要特(te)點是(shi)(shi)將所發(fa)(fa)電(dian)(dian)(dian)能直(zhi)接輸送到電(dian)(dian)(dian)網(wang)(wang)(wang)(wang),由電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)統(tong)一(yi)調配向用(yong)戶供(gong)電(dian)(dian)(dian)。但這種電(dian)(dian)(dian)站投(tou)資(zi)大、建(jian)設周期長(chang)、占地面(mian)積(ji)大,發(fa)(fa)展難度相(xiang)對較大。而分散(san)式小型并(bing)網(wang)(wang)(wang)(wang)光(guang)伏系統(tong),特(te)別是(shi)(shi)光(guang)伏建(jian)筑一(yi)體化發(fa)(fa)電(dian)(dian)(dian)系統(tong),由于(yu)投(tou)資(zi)小、建(jian)設快(kuai)、占地面(mian)積(ji)小、政策支持力度大等優點,是(shi)(shi)并(bing)網(wang)(wang)(wang)(wang)光(guang)伏發(fa)(fa)電(dian)(dian)(dian)的主流(liu)。
分布式光伏發電
分(fen)布(bu)式光伏發電(dian)系(xi)統(tong),又稱分(fen)散(san)式發電(dian)或(huo)分(fen)布(bu)式供能,是指(zhi)在用戶現場或(huo)靠近用電(dian)現場配(pei)置較小(xiao)的光伏發電(dian)供電(dian)系(xi)統(tong),以滿足(zu)特定用戶的需求(qiu),支持現存配(pei)電(dian)網的經濟(ji)運行,或(huo)者(zhe)同時滿足(zu)這(zhe)兩(liang)個方面的要求(qiu)。
分布(bu)式(shi)光(guang)伏(fu)發電(dian)(dian)(dian)系統(tong)的(de)基本(ben)設備包括光(guang)伏(fu)電(dian)(dian)(dian)池組(zu)件(jian)、光(guang)伏(fu)方(fang)陣支架、直流匯流箱、直流配電(dian)(dian)(dian)柜(ju)(ju)、并網逆(ni)變器(qi)、交流配電(dian)(dian)(dian)柜(ju)(ju)等設備,另外還有(you)供電(dian)(dian)(dian)系統(tong)監控裝(zhuang)置(zhi)和(he)環境(jing)監測裝(zhuang)置(zhi)。其運(yun)行模式(shi)是在(zai)有(you)太(tai)(tai)陽輻射的(de)條件(jian)下,光(guang)伏(fu)發電(dian)(dian)(dian)系統(tong)的(de)太(tai)(tai)陽能電(dian)(dian)(dian)池組(zu)件(jian)陣列將太(tai)(tai)陽能轉換輸出的(de)電(dian)(dian)(dian)能,經過直流匯流箱集中送(song)入直流配電(dian)(dian)(dian)柜(ju)(ju),由并網逆(ni)變器(qi)逆(ni)變成(cheng)交流電(dian)(dian)(dian)供給建筑自身負載,多余或不足的(de)電(dian)(dian)(dian)力通(tong)過聯接電(dian)(dian)(dian)網來(lai)調節。
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