山東(dong)省青州(zhou)市(shi)魯東(dong)機械2.1MW光伏發(fa)電站(zhan)項目。彩鋼(gang)瓦(wa)屋(wu)頂光伏發(fa)電站(zhan),已并(bing)網發(fa)電成功(gong)!
輸送方式
太陽能光(guang)伏發(fa)電分為獨立光(guang)伏發(fa)電、并網光(guang)伏發(fa)電、分布式光(guang)伏發(fa)電
獨立光伏發電
獨立光伏發(fa)電系(xi)統也叫離網光伏發(fa)電系(xi)統。主(zhu)要(yao)由(you)太陽能電池組件(jian)、控制器(qi)、蓄電池組成,若要(yao)為交(jiao)(jiao)流負載供(gong)電,還需要(yao)配置交(jiao)(jiao)流逆變器(qi)。
并網光伏發電
并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發(fa)電(dian)系(xi)統(tong)就是太陽能組件產生(sheng)的直流(liu)電(dian)經過并(bing)(bing)網(wang)(wang)(wang)逆變(bian)器轉換成(cheng)符合市電(dian)電(dian)網(wang)(wang)(wang)要(yao)(yao)求的交流(liu)電(dian)之后(hou)直接接入公共電(dian)網(wang)(wang)(wang)。并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發(fa)電(dian)系(xi)統(tong)有集中式(shi)大型(xing)并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)電(dian)站一般都是國家級電(dian)站,主(zhu)要(yao)(yao)特(te)點是將(jiang)所發(fa)電(dian)能直接輸(shu)送(song)到電(dian)網(wang)(wang)(wang),由電(dian)網(wang)(wang)(wang)統(tong)一調配向用戶供(gong)電(dian)。但(dan)這種電(dian)站投資(zi)大、建設(she)周期長、占地(di)面(mian)積(ji)大,發(fa)展難度(du)相(xiang)對較大。而分散式(shi)小(xiao)型(xing)并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)系(xi)統(tong),特(te)別是光(guang)伏(fu)(fu)建筑一體(ti)化發(fa)電(dian)系(xi)統(tong),由于投資(zi)小(xiao)、建設(she)快、占地(di)面(mian)積(ji)小(xiao)、政策(ce)支持(chi)力(li)度(du)大等(deng)優點,是并(bing)(bing)網(wang)(wang)(wang)光(guang)伏(fu)(fu)發(fa)電(dian)的主(zhu)流(liu)。
分布式光伏發電
分(fen)布式光伏(fu)發(fa)電系統,又稱分(fen)散式發(fa)電或分(fen)布式供能(neng),是(shi)指在用戶(hu)現(xian)場或靠近用電現(xian)場配置較小的光伏(fu)發(fa)電供電系統,以滿足特定用戶(hu)的需(xu)求,支持現(xian)存配電網的經(jing)濟運行,或者同時(shi)滿足這(zhe)兩個方面的要(yao)求。
分布式光(guang)伏發電(dian)(dian)(dian)系(xi)(xi)統的基本(ben)設(she)備包括光(guang)伏電(dian)(dian)(dian)池組件、光(guang)伏方陣(zhen)支(zhi)架、直(zhi)(zhi)流(liu)(liu)匯流(liu)(liu)箱、直(zhi)(zhi)流(liu)(liu)配(pei)電(dian)(dian)(dian)柜(ju)、并網逆變(bian)器、交流(liu)(liu)配(pei)電(dian)(dian)(dian)柜(ju)等設(she)備,另外還有供(gong)電(dian)(dian)(dian)系(xi)(xi)統監控裝(zhuang)置和(he)環境監測裝(zhuang)置。其(qi)運(yun)行(xing)模式是(shi)在有太(tai)(tai)陽輻射的條件下(xia),光(guang)伏發電(dian)(dian)(dian)系(xi)(xi)統的太(tai)(tai)陽能(neng)電(dian)(dian)(dian)池組件陣(zhen)列(lie)將太(tai)(tai)陽能(neng)轉(zhuan)換輸出的電(dian)(dian)(dian)能(neng),經(jing)過(guo)直(zhi)(zhi)流(liu)(liu)匯流(liu)(liu)箱集中送入直(zhi)(zhi)流(liu)(liu)配(pei)電(dian)(dian)(dian)柜(ju),由并網逆變(bian)器逆變(bian)成交流(liu)(liu)電(dian)(dian)(dian)供(gong)給建筑自身負載,多(duo)余或不足的電(dian)(dian)(dian)力通過(guo)聯接電(dian)(dian)(dian)網來(lai)調節。
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