山東(dong)省青州市魯東(dong)機械2.1MW光(guang)伏發電站項(xiang)目。彩鋼瓦屋頂光(guang)伏發電站,已并(bing)網(wang)發電成功(gong)!
輸送方式
太陽(yang)能光伏發電(dian)分(fen)為獨立光伏發電(dian)、并網光伏發電(dian)、分(fen)布式光伏發電(dian)
獨立光伏發電
獨(du)立光伏(fu)發(fa)電系統也叫離網(wang)光伏(fu)發(fa)電系統。主要(yao)(yao)由(you)太陽能(neng)電池組件、控(kong)制(zhi)器(qi)、蓄(xu)電池組成,若要(yao)(yao)為交(jiao)流(liu)負載供電,還(huan)需要(yao)(yao)配(pei)置交(jiao)流(liu)逆變器(qi)。
并網光伏發電
并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發電(dian)(dian)(dian)系(xi)(xi)統(tong)就是(shi)太(tai)陽(yang)能組件(jian)產生(sheng)的(de)直流(liu)電(dian)(dian)(dian)經過并(bing)(bing)網(wang)(wang)(wang)逆變器(qi)轉換成符合市電(dian)(dian)(dian)電(dian)(dian)(dian)網(wang)(wang)(wang)要求的(de)交流(liu)電(dian)(dian)(dian)之后直接接入公共電(dian)(dian)(dian)網(wang)(wang)(wang)。并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發電(dian)(dian)(dian)系(xi)(xi)統(tong)有集中(zhong)式大(da)型(xing)并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)電(dian)(dian)(dian)站一(yi)般都是(shi)國(guo)家(jia)級電(dian)(dian)(dian)站,主(zhu)要特(te)點(dian)是(shi)將(jiang)所發電(dian)(dian)(dian)能直接輸送到電(dian)(dian)(dian)網(wang)(wang)(wang),由電(dian)(dian)(dian)網(wang)(wang)(wang)統(tong)一(yi)調配向用戶供電(dian)(dian)(dian)。但這種電(dian)(dian)(dian)站投資(zi)大(da)、建設(she)周期長、占地(di)面積大(da),發展(zhan)難度相對(dui)較(jiao)大(da)。而分散式小型(xing)并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)系(xi)(xi)統(tong),特(te)別(bie)是(shi)光(guang)伏(fu)(fu)建筑一(yi)體(ti)化發電(dian)(dian)(dian)系(xi)(xi)統(tong),由于(yu)投資(zi)小、建設(she)快、占地(di)面積小、政策支持(chi)力(li)度大(da)等優點(dian),是(shi)并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發電(dian)(dian)(dian)的(de)主(zhu)流(liu)。
分布式光伏發電
分(fen)布(bu)式光伏發電(dian)(dian)系統,又稱(cheng)分(fen)散式發電(dian)(dian)或分(fen)布(bu)式供能(neng),是(shi)指在(zai)用戶(hu)現(xian)場(chang)或靠近用電(dian)(dian)現(xian)場(chang)配置較小的光伏發電(dian)(dian)供電(dian)(dian)系統,以滿足特定用戶(hu)的需求(qiu),支(zhi)持(chi)現(xian)存配電(dian)(dian)網的經濟運(yun)行,或者同時滿足這兩個方(fang)面的要求(qiu)。
分布式光(guang)(guang)伏(fu)發(fa)電(dian)(dian)(dian)系(xi)統的(de)(de)基本設(she)備(bei)包括光(guang)(guang)伏(fu)電(dian)(dian)(dian)池組(zu)件(jian)(jian)、光(guang)(guang)伏(fu)方陣支架、直流(liu)(liu)(liu)(liu)匯流(liu)(liu)(liu)(liu)箱(xiang)、直流(liu)(liu)(liu)(liu)配(pei)電(dian)(dian)(dian)柜、并網(wang)逆變器(qi)、交流(liu)(liu)(liu)(liu)配(pei)電(dian)(dian)(dian)柜等設(she)備(bei),另外(wai)還有供電(dian)(dian)(dian)系(xi)統監(jian)控(kong)裝置和環境(jing)監(jian)測裝置。其運行(xing)模式是在有太陽(yang)輻射(she)的(de)(de)條件(jian)(jian)下,光(guang)(guang)伏(fu)發(fa)電(dian)(dian)(dian)系(xi)統的(de)(de)太陽(yang)能電(dian)(dian)(dian)池組(zu)件(jian)(jian)陣列將(jiang)太陽(yang)能轉換輸出(chu)的(de)(de)電(dian)(dian)(dian)能,經(jing)過(guo)直流(liu)(liu)(liu)(liu)匯流(liu)(liu)(liu)(liu)箱(xiang)集中送入直流(liu)(liu)(liu)(liu)配(pei)電(dian)(dian)(dian)柜,由并網(wang)逆變器(qi)逆變成交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)供給建筑自身(shen)負載(zai),多余或不足的(de)(de)電(dian)(dian)(dian)力通過(guo)聯接電(dian)(dian)(dian)網(wang)來(lai)調(diao)節。
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