山東省青州市魯東機械2.1MW光(guang)伏發電站項目。彩鋼瓦(wa)屋頂光(guang)伏發電站,已并網發電成功!
輸送方式
太陽能光(guang)伏(fu)(fu)發(fa)(fa)電(dian)分為獨立光(guang)伏(fu)(fu)發(fa)(fa)電(dian)、并網(wang)光(guang)伏(fu)(fu)發(fa)(fa)電(dian)、分布式光(guang)伏(fu)(fu)發(fa)(fa)電(dian)
獨立光伏發電
獨立光伏發電(dian)(dian)系統也叫離網光伏發電(dian)(dian)系統。主要由太陽能電(dian)(dian)池(chi)(chi)組件、控制(zhi)器、蓄電(dian)(dian)池(chi)(chi)組成(cheng),若要為交(jiao)流負(fu)載供電(dian)(dian),還需要配置交(jiao)流逆變器。
并網光伏發電
并(bing)(bing)網(wang)光伏發電(dian)系(xi)(xi)統(tong)就(jiu)是(shi)(shi)太(tai)陽(yang)能(neng)組件產(chan)生(sheng)的(de)(de)直流電(dian)經過并(bing)(bing)網(wang)逆(ni)變器轉換(huan)成(cheng)符合市(shi)電(dian)電(dian)網(wang)要求的(de)(de)交流電(dian)之后直接(jie)接(jie)入公(gong)共電(dian)網(wang)。并(bing)(bing)網(wang)光伏發電(dian)系(xi)(xi)統(tong)有集中式大(da)型并(bing)(bing)網(wang)光伏電(dian)站一(yi)般都是(shi)(shi)國家級電(dian)站,主(zhu)要特點是(shi)(shi)將(jiang)所發電(dian)能(neng)直接(jie)輸送到電(dian)網(wang),由電(dian)網(wang)統(tong)一(yi)調配向(xiang)用戶供電(dian)。但這(zhe)種(zhong)電(dian)站投資(zi)(zi)大(da)、建設(she)周期長、占(zhan)地面積(ji)大(da),發展難度相(xiang)對較(jiao)大(da)。而分散式小(xiao)(xiao)(xiao)型并(bing)(bing)網(wang)光伏系(xi)(xi)統(tong),特別是(shi)(shi)光伏建筑(zhu)一(yi)體化(hua)發電(dian)系(xi)(xi)統(tong),由于投資(zi)(zi)小(xiao)(xiao)(xiao)、建設(she)快、占(zhan)地面積(ji)小(xiao)(xiao)(xiao)、政策支持力(li)度大(da)等優點,是(shi)(shi)并(bing)(bing)網(wang)光伏發電(dian)的(de)(de)主(zhu)流。
分布式光伏發電
分(fen)布式(shi)(shi)光伏發(fa)(fa)(fa)電(dian)系統,又稱分(fen)散式(shi)(shi)發(fa)(fa)(fa)電(dian)或(huo)分(fen)布式(shi)(shi)供能(neng),是指在用(yong)戶現(xian)場或(huo)靠(kao)近(jin)用(yong)電(dian)現(xian)場配(pei)置較小的(de)光伏發(fa)(fa)(fa)電(dian)供電(dian)系統,以(yi)滿(man)足特定(ding)用(yong)戶的(de)需求,支持現(xian)存配(pei)電(dian)網的(de)經濟運行,或(huo)者同時(shi)滿(man)足這兩(liang)個(ge)方面的(de)要求。
分布式光伏(fu)發電(dian)(dian)(dian)系統的(de)(de)基本設備包括(kuo)光伏(fu)電(dian)(dian)(dian)池組件(jian)、光伏(fu)方陣支架、直(zhi)流匯(hui)(hui)流箱、直(zhi)流配(pei)電(dian)(dian)(dian)柜(ju)、并網逆變器(qi)、交(jiao)流配(pei)電(dian)(dian)(dian)柜(ju)等設備,另外還有供(gong)(gong)電(dian)(dian)(dian)系統監控裝置和環境監測裝置。其運行模式是(shi)在有太(tai)陽(yang)輻射的(de)(de)條(tiao)件(jian)下,光伏(fu)發電(dian)(dian)(dian)系統的(de)(de)太(tai)陽(yang)能(neng)電(dian)(dian)(dian)池組件(jian)陣列(lie)將(jiang)太(tai)陽(yang)能(neng)轉換輸(shu)出的(de)(de)電(dian)(dian)(dian)能(neng),經(jing)過直(zhi)流匯(hui)(hui)流箱集中送入(ru)直(zhi)流配(pei)電(dian)(dian)(dian)柜(ju),由(you)并網逆變器(qi)逆變成交(jiao)流電(dian)(dian)(dian)供(gong)(gong)給(gei)建筑自身負載,多余(yu)或不足(zu)的(de)(de)電(dian)(dian)(dian)力通過聯接電(dian)(dian)(dian)網來調節。
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