山東省青(qing)州市(shi)魯東機械2.1MW光(guang)(guang)伏發電(dian)(dian)站(zhan)項目。彩鋼瓦屋頂光(guang)(guang)伏發電(dian)(dian)站(zhan),已并網發電(dian)(dian)成功!
輸送方式
太陽能光(guang)伏(fu)(fu)發電分(fen)為獨立(li)光(guang)伏(fu)(fu)發電、并網光(guang)伏(fu)(fu)發電、分(fen)布式光(guang)伏(fu)(fu)發電
獨立光伏發電
獨立光伏(fu)發電(dian)系統(tong)也(ye)叫離網光伏(fu)發電(dian)系統(tong)。主要由太陽能電(dian)池組件、控制(zhi)器(qi)、蓄(xu)電(dian)池組成,若(ruo)要為交流負載供電(dian),還需要配(pei)置交流逆變器(qi)。
并網光伏發電
并網(wang)(wang)光(guang)(guang)伏發電(dian)(dian)(dian)系統(tong)就是(shi)太陽能組件產生的直(zhi)流電(dian)(dian)(dian)經過并網(wang)(wang)逆變器轉換成符合市電(dian)(dian)(dian)電(dian)(dian)(dian)網(wang)(wang)要求的交流電(dian)(dian)(dian)之后直(zhi)接接入公共電(dian)(dian)(dian)網(wang)(wang)。并網(wang)(wang)光(guang)(guang)伏發電(dian)(dian)(dian)系統(tong)有集(ji)中式(shi)大(da)型并網(wang)(wang)光(guang)(guang)伏電(dian)(dian)(dian)站(zhan)一(yi)般都是(shi)國家級(ji)電(dian)(dian)(dian)站(zhan),主要特點是(shi)將所發電(dian)(dian)(dian)能直(zhi)接輸送到電(dian)(dian)(dian)網(wang)(wang),由電(dian)(dian)(dian)網(wang)(wang)統(tong)一(yi)調配向用戶供電(dian)(dian)(dian)。但這種電(dian)(dian)(dian)站(zhan)投資大(da)、建設周期長(chang)、占地面(mian)積大(da),發展難(nan)度相對(dui)較大(da)。而分散(san)式(shi)小(xiao)型并網(wang)(wang)光(guang)(guang)伏系統(tong),特別是(shi)光(guang)(guang)伏建筑一(yi)體(ti)化發電(dian)(dian)(dian)系統(tong),由于投資小(xiao)、建設快、占地面(mian)積小(xiao)、政策支(zhi)持(chi)力度大(da)等優點,是(shi)并網(wang)(wang)光(guang)(guang)伏發電(dian)(dian)(dian)的主流。
分布式光伏發電
分(fen)布(bu)式(shi)(shi)光(guang)伏(fu)發電(dian)系(xi)統,又稱(cheng)分(fen)散(san)式(shi)(shi)發電(dian)或(huo)分(fen)布(bu)式(shi)(shi)供(gong)能,是(shi)指(zhi)在用(yong)戶(hu)現(xian)場或(huo)靠(kao)近用(yong)電(dian)現(xian)場配置(zhi)較小的光(guang)伏(fu)發電(dian)供(gong)電(dian)系(xi)統,以(yi)滿足(zu)特(te)定用(yong)戶(hu)的需求(qiu),支持(chi)現(xian)存配電(dian)網的經(jing)濟運行,或(huo)者同時滿足(zu)這(zhe)兩(liang)個方(fang)面的要(yao)求(qiu)。
分(fen)布式(shi)光伏發電(dian)(dian)(dian)系(xi)統的(de)基本設(she)備(bei)包括光伏電(dian)(dian)(dian)池(chi)組件、光伏方陣(zhen)支架、直流(liu)匯流(liu)箱、直流(liu)配(pei)電(dian)(dian)(dian)柜、并網(wang)逆變器、交(jiao)流(liu)配(pei)電(dian)(dian)(dian)柜等設(she)備(bei),另外還有(you)供電(dian)(dian)(dian)系(xi)統監控裝置(zhi)和(he)環境(jing)監測裝置(zhi)。其運行模式(shi)是(shi)在有(you)太陽輻射(she)的(de)條件下,光伏發電(dian)(dian)(dian)系(xi)統的(de)太陽能電(dian)(dian)(dian)池(chi)組件陣(zhen)列(lie)將太陽能轉換(huan)輸出的(de)電(dian)(dian)(dian)能,經過直流(liu)匯流(liu)箱集(ji)中送入(ru)直流(liu)配(pei)電(dian)(dian)(dian)柜,由并網(wang)逆變器逆變成交(jiao)流(liu)電(dian)(dian)(dian)供給建(jian)筑自身(shen)負(fu)載(zai),多余或不足的(de)電(dian)(dian)(dian)力通過聯接電(dian)(dian)(dian)網(wang)來調(diao)節。
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