山東省青州(zhou)市魯東機械2.1MW光(guang)伏(fu)發電站項(xiang)目。彩(cai)鋼(gang)瓦屋頂(ding)光(guang)伏(fu)發電站,已并網發電成功!
輸送方式
太陽能光(guang)伏(fu)發(fa)電(dian)分為(wei)獨立(li)光(guang)伏(fu)發(fa)電(dian)、并(bing)網光(guang)伏(fu)發(fa)電(dian)、分布式(shi)光(guang)伏(fu)發(fa)電(dian)
獨立光伏發電
獨立光(guang)伏發(fa)電(dian)系(xi)統也叫離網光(guang)伏發(fa)電(dian)系(xi)統。主(zhu)要由太(tai)陽(yang)能電(dian)池(chi)組件、控制器、蓄電(dian)池(chi)組成,若要為交流負載(zai)供電(dian),還(huan)需要配(pei)置交流逆變器。
并網光伏發電
并(bing)(bing)網(wang)光(guang)伏(fu)(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)系統(tong)就是(shi)太陽(yang)能組件產生的(de)直流電(dian)(dian)(dian)(dian)(dian)經過并(bing)(bing)網(wang)逆變器轉換成符合市電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)網(wang)要求的(de)交(jiao)流電(dian)(dian)(dian)(dian)(dian)之后直接(jie)接(jie)入公共(gong)電(dian)(dian)(dian)(dian)(dian)網(wang)。并(bing)(bing)網(wang)光(guang)伏(fu)(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)系統(tong)有集中式(shi)(shi)大(da)型并(bing)(bing)網(wang)光(guang)伏(fu)(fu)電(dian)(dian)(dian)(dian)(dian)站(zhan)一(yi)般(ban)都是(shi)國家級電(dian)(dian)(dian)(dian)(dian)站(zhan),主(zhu)要特點(dian)是(shi)將所發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)能直接(jie)輸送到(dao)電(dian)(dian)(dian)(dian)(dian)網(wang),由電(dian)(dian)(dian)(dian)(dian)網(wang)統(tong)一(yi)調配向用戶供(gong)電(dian)(dian)(dian)(dian)(dian)。但這種電(dian)(dian)(dian)(dian)(dian)站(zhan)投(tou)資大(da)、建(jian)(jian)設周期長(chang)、占(zhan)地面積(ji)大(da),發(fa)(fa)展難度相對較大(da)。而分散式(shi)(shi)小型并(bing)(bing)網(wang)光(guang)伏(fu)(fu)系統(tong),特別(bie)是(shi)光(guang)伏(fu)(fu)建(jian)(jian)筑一(yi)體化發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)系統(tong),由于(yu)投(tou)資小、建(jian)(jian)設快、占(zhan)地面積(ji)小、政策支持力度大(da)等優點(dian),是(shi)并(bing)(bing)網(wang)光(guang)伏(fu)(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)的(de)主(zhu)流。
分布式光伏發電
分(fen)布(bu)(bu)式(shi)光伏(fu)發(fa)電(dian)(dian)系(xi)統,又稱分(fen)散(san)式(shi)發(fa)電(dian)(dian)或分(fen)布(bu)(bu)式(shi)供能,是指在用(yong)戶現場或靠近用(yong)電(dian)(dian)現場配(pei)置較小的光伏(fu)發(fa)電(dian)(dian)供電(dian)(dian)系(xi)統,以(yi)滿足特定用(yong)戶的需求(qiu),支持(chi)現存配(pei)電(dian)(dian)網(wang)的經濟(ji)運行(xing),或者同時(shi)滿足這兩個(ge)方面的要求(qiu)。
分布式光伏發(fa)(fa)電(dian)系統(tong)的(de)(de)基本設(she)(she)備包括光伏電(dian)池組件、光伏方陣支架、直流(liu)匯流(liu)箱(xiang)、直流(liu)配電(dian)柜、并網(wang)逆變(bian)(bian)器、交流(liu)配電(dian)柜等設(she)(she)備,另外(wai)還有供電(dian)系統(tong)監控裝置和環境(jing)監測裝置。其運(yun)行(xing)模式是在有太(tai)陽(yang)輻射的(de)(de)條件下,光伏發(fa)(fa)電(dian)系統(tong)的(de)(de)太(tai)陽(yang)能電(dian)池組件陣列將太(tai)陽(yang)能轉換輸出的(de)(de)電(dian)能,經過直流(liu)匯流(liu)箱(xiang)集中送(song)入直流(liu)配電(dian)柜,由(you)并網(wang)逆變(bian)(bian)器逆變(bian)(bian)成(cheng)交流(liu)電(dian)供給建筑自身負載(zai),多余或不足的(de)(de)電(dian)力(li)通過聯(lian)接電(dian)網(wang)來調節。
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