山東省青州市(shi)魯東機(ji)械2.1MW光(guang)伏發(fa)電(dian)站項目。彩鋼瓦屋頂光(guang)伏發(fa)電(dian)站,已并(bing)網發(fa)電(dian)成功!
輸送方式
太陽(yang)能光伏(fu)(fu)發(fa)(fa)(fa)電分為獨立光伏(fu)(fu)發(fa)(fa)(fa)電、并(bing)網光伏(fu)(fu)發(fa)(fa)(fa)電、分布式光伏(fu)(fu)發(fa)(fa)(fa)電
獨立光伏發電
獨立光(guang)伏(fu)發電(dian)(dian)系統(tong)也叫(jiao)離(li)網光(guang)伏(fu)發電(dian)(dian)系統(tong)。主要(yao)由太陽能(neng)電(dian)(dian)池(chi)(chi)組件、控制(zhi)器(qi)、蓄(xu)電(dian)(dian)池(chi)(chi)組成,若要(yao)為交流(liu)負載(zai)供(gong)電(dian)(dian),還需要(yao)配置(zhi)交流(liu)逆變(bian)器(qi)。
并網光伏發電
并網(wang)(wang)光(guang)(guang)(guang)伏(fu)發電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)就是(shi)太(tai)陽能組件產生的(de)直流(liu)(liu)電(dian)(dian)(dian)(dian)經過并網(wang)(wang)逆變器轉換成符(fu)合市電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)網(wang)(wang)要求的(de)交流(liu)(liu)電(dian)(dian)(dian)(dian)之后(hou)直接(jie)接(jie)入公共電(dian)(dian)(dian)(dian)網(wang)(wang)。并網(wang)(wang)光(guang)(guang)(guang)伏(fu)發電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong)有集中式大型并網(wang)(wang)光(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)站(zhan)一(yi)般都(dou)是(shi)國家級電(dian)(dian)(dian)(dian)站(zhan),主要特點(dian)是(shi)將(jiang)所發電(dian)(dian)(dian)(dian)能直接(jie)輸送到電(dian)(dian)(dian)(dian)網(wang)(wang),由電(dian)(dian)(dian)(dian)網(wang)(wang)統(tong)(tong)一(yi)調配向(xiang)用戶(hu)供電(dian)(dian)(dian)(dian)。但這(zhe)種電(dian)(dian)(dian)(dian)站(zhan)投(tou)資大、建(jian)(jian)設(she)周期長、占地面積大,發展難度相對較大。而分(fen)散(san)式小型并網(wang)(wang)光(guang)(guang)(guang)伏(fu)系(xi)統(tong)(tong),特別是(shi)光(guang)(guang)(guang)伏(fu)建(jian)(jian)筑一(yi)體(ti)化發電(dian)(dian)(dian)(dian)系(xi)統(tong)(tong),由于投(tou)資小、建(jian)(jian)設(she)快、占地面積小、政策支持力度大等(deng)優(you)點(dian),是(shi)并網(wang)(wang)光(guang)(guang)(guang)伏(fu)發電(dian)(dian)(dian)(dian)的(de)主流(liu)(liu)。
分布式光伏發電
分布(bu)式光(guang)伏發電系統,又稱分散式發電或分布(bu)式供能(neng),是指在用戶現(xian)場(chang)(chang)或靠(kao)近用電現(xian)場(chang)(chang)配(pei)置較小(xiao)的(de)光(guang)伏發電供電系統,以滿(man)足(zu)特定用戶的(de)需(xu)求(qiu),支(zhi)持現(xian)存配(pei)電網(wang)的(de)經(jing)濟(ji)運(yun)行(xing),或者同時滿(man)足(zu)這兩個(ge)方面的(de)要求(qiu)。
分布式光(guang)伏(fu)發(fa)電(dian)(dian)(dian)(dian)系(xi)統的(de)基本設備包括(kuo)光(guang)伏(fu)電(dian)(dian)(dian)(dian)池組件(jian)(jian)、光(guang)伏(fu)方(fang)陣(zhen)支(zhi)架(jia)、直流匯(hui)流箱(xiang)、直流配(pei)電(dian)(dian)(dian)(dian)柜(ju)(ju)、并網逆變(bian)(bian)器、交流配(pei)電(dian)(dian)(dian)(dian)柜(ju)(ju)等設備,另外還有供(gong)電(dian)(dian)(dian)(dian)系(xi)統監控裝(zhuang)(zhuang)置(zhi)和(he)環境監測裝(zhuang)(zhuang)置(zhi)。其(qi)運行模式是在有太陽輻射的(de)條件(jian)(jian)下,光(guang)伏(fu)發(fa)電(dian)(dian)(dian)(dian)系(xi)統的(de)太陽能(neng)電(dian)(dian)(dian)(dian)池組件(jian)(jian)陣(zhen)列將太陽能(neng)轉換輸出的(de)電(dian)(dian)(dian)(dian)能(neng),經過直流匯(hui)流箱(xiang)集中送(song)入直流配(pei)電(dian)(dian)(dian)(dian)柜(ju)(ju),由(you)并網逆變(bian)(bian)器逆變(bian)(bian)成交流電(dian)(dian)(dian)(dian)供(gong)給(gei)建筑(zhu)自身負載(zai),多余(yu)或(huo)不足的(de)電(dian)(dian)(dian)(dian)力通過聯接電(dian)(dian)(dian)(dian)網來調(diao)節。
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