山東省青州市魯東機械2.1MW光(guang)伏發電(dian)站項目。彩鋼瓦屋頂光(guang)伏發電(dian)站,已(yi)并網(wang)發電(dian)成功!
輸送方式
太(tai)陽能光伏(fu)發(fa)電分為獨立光伏(fu)發(fa)電、并網(wang)光伏(fu)發(fa)電、分布式(shi)光伏(fu)發(fa)電
獨立光伏發電
獨立(li)光伏發電系(xi)(xi)統(tong)也(ye)叫離(li)網光伏發電系(xi)(xi)統(tong)。主要(yao)由太(tai)陽能電池組件(jian)、控(kong)制器、蓄電池組成,若要(yao)為(wei)交流負(fu)載供電,還(huan)需要(yao)配置交流逆變器。
并網光伏發電
并(bing)(bing)(bing)網(wang)(wang)光(guang)(guang)(guang)伏發電(dian)系(xi)統(tong)就是(shi)(shi)太陽能(neng)組件產生的直流電(dian)經過并(bing)(bing)(bing)網(wang)(wang)逆變器轉換成符合市電(dian)電(dian)網(wang)(wang)要求的交流電(dian)之后直接接入公共(gong)電(dian)網(wang)(wang)。并(bing)(bing)(bing)網(wang)(wang)光(guang)(guang)(guang)伏發電(dian)系(xi)統(tong)有(you)集(ji)中式(shi)大(da)型并(bing)(bing)(bing)網(wang)(wang)光(guang)(guang)(guang)伏電(dian)站(zhan)一般(ban)都是(shi)(shi)國家級電(dian)站(zhan),主(zhu)要特(te)點是(shi)(shi)將所(suo)發電(dian)能(neng)直接輸送到電(dian)網(wang)(wang),由電(dian)網(wang)(wang)統(tong)一調(diao)配向用戶(hu)供電(dian)。但這種電(dian)站(zhan)投資大(da)、建(jian)設周期長、占地面積大(da),發展難度相對(dui)較大(da)。而分散式(shi)小(xiao)型并(bing)(bing)(bing)網(wang)(wang)光(guang)(guang)(guang)伏系(xi)統(tong),特(te)別是(shi)(shi)光(guang)(guang)(guang)伏建(jian)筑一體(ti)化發電(dian)系(xi)統(tong),由于投資小(xiao)、建(jian)設快(kuai)、占地面積小(xiao)、政策支持力(li)度大(da)等優點,是(shi)(shi)并(bing)(bing)(bing)網(wang)(wang)光(guang)(guang)(guang)伏發電(dian)的主(zhu)流。
分布式光伏發電
分(fen)布(bu)式光伏發(fa)電(dian)系(xi)統(tong),又稱分(fen)散(san)式發(fa)電(dian)或(huo)分(fen)布(bu)式供能(neng),是指在用戶現(xian)(xian)場(chang)或(huo)靠近用電(dian)現(xian)(xian)場(chang)配(pei)置較(jiao)小的(de)光伏發(fa)電(dian)供電(dian)系(xi)統(tong),以滿(man)(man)足特定用戶的(de)需求,支持現(xian)(xian)存配(pei)電(dian)網的(de)經濟運行,或(huo)者同時滿(man)(man)足這兩個方面(mian)的(de)要求。
分布式光(guang)伏發電(dian)系(xi)統的基(ji)本設備(bei)包括光(guang)伏電(dian)池(chi)組件(jian)(jian)、光(guang)伏方陣(zhen)支架、直流(liu)(liu)匯(hui)流(liu)(liu)箱(xiang)(xiang)、直流(liu)(liu)配(pei)電(dian)柜、并(bing)網(wang)(wang)逆(ni)變器(qi)、交(jiao)流(liu)(liu)配(pei)電(dian)柜等設備(bei),另外(wai)還有(you)供電(dian)系(xi)統監控裝(zhuang)置和環境監測裝(zhuang)置。其運行模式是(shi)在有(you)太(tai)陽(yang)輻射的條(tiao)件(jian)(jian)下,光(guang)伏發電(dian)系(xi)統的太(tai)陽(yang)能電(dian)池(chi)組件(jian)(jian)陣(zhen)列將太(tai)陽(yang)能轉換輸出的電(dian)能,經過(guo)直流(liu)(liu)匯(hui)流(liu)(liu)箱(xiang)(xiang)集中送入直流(liu)(liu)配(pei)電(dian)柜,由并(bing)網(wang)(wang)逆(ni)變器(qi)逆(ni)變成交(jiao)流(liu)(liu)電(dian)供給建(jian)筑自身負載,多余或不足的電(dian)力(li)通過(guo)聯接電(dian)網(wang)(wang)來調節。
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