山東省青州市魯(lu)東機械(xie)2.1MW光(guang)伏發電(dian)站項目(mu)。彩(cai)鋼瓦屋頂光(guang)伏發電(dian)站,已并網發電(dian)成功!
輸送方式
太陽(yang)能(neng)光(guang)伏(fu)(fu)發(fa)(fa)電分為(wei)獨(du)立(li)光(guang)伏(fu)(fu)發(fa)(fa)電、并網(wang)光(guang)伏(fu)(fu)發(fa)(fa)電、分布式光(guang)伏(fu)(fu)發(fa)(fa)電
獨立光伏發電
獨立光伏發電系統也叫離網光伏發電系統。主要由(you)太陽能電池組(zu)件、控制器、蓄電池組(zu)成,若要為交(jiao)流負載供電,還需要配置交(jiao)流逆變器。
并網光伏發電
并(bing)(bing)網(wang)(wang)(wang)光(guang)(guang)(guang)伏發(fa)電(dian)(dian)系(xi)統就是(shi)(shi)太陽能組件產生的(de)(de)直(zhi)流(liu)電(dian)(dian)經過并(bing)(bing)網(wang)(wang)(wang)逆(ni)變器(qi)轉換成符合市電(dian)(dian)電(dian)(dian)網(wang)(wang)(wang)要求的(de)(de)交(jiao)流(liu)電(dian)(dian)之后直(zhi)接接入公共電(dian)(dian)網(wang)(wang)(wang)。并(bing)(bing)網(wang)(wang)(wang)光(guang)(guang)(guang)伏發(fa)電(dian)(dian)系(xi)統有集(ji)中式大(da)(da)型并(bing)(bing)網(wang)(wang)(wang)光(guang)(guang)(guang)伏電(dian)(dian)站(zhan)一(yi)般都是(shi)(shi)國(guo)家級電(dian)(dian)站(zhan),主(zhu)要特(te)點是(shi)(shi)將所(suo)發(fa)電(dian)(dian)能直(zhi)接輸送(song)到電(dian)(dian)網(wang)(wang)(wang),由(you)電(dian)(dian)網(wang)(wang)(wang)統一(yi)調(diao)配向用戶供電(dian)(dian)。但這種電(dian)(dian)站(zhan)投資大(da)(da)、建(jian)設周期長(chang)、占(zhan)地(di)面(mian)積(ji)大(da)(da),發(fa)展難度相對較大(da)(da)。而分散(san)式小型并(bing)(bing)網(wang)(wang)(wang)光(guang)(guang)(guang)伏系(xi)統,特(te)別(bie)是(shi)(shi)光(guang)(guang)(guang)伏建(jian)筑一(yi)體化發(fa)電(dian)(dian)系(xi)統,由(you)于投資小、建(jian)設快、占(zhan)地(di)面(mian)積(ji)小、政策支持(chi)力(li)度大(da)(da)等優點,是(shi)(shi)并(bing)(bing)網(wang)(wang)(wang)光(guang)(guang)(guang)伏發(fa)電(dian)(dian)的(de)(de)主(zhu)流(liu)。
分布式光伏發電
分布式光伏發電(dian)(dian)系統(tong),又稱分散(san)式發電(dian)(dian)或(huo)(huo)分布式供能,是指(zhi)在(zai)用戶(hu)現場或(huo)(huo)靠近用電(dian)(dian)現場配(pei)置(zhi)較小(xiao)的光伏發電(dian)(dian)供電(dian)(dian)系統(tong),以滿(man)足特定用戶(hu)的需求,支(zhi)持現存配(pei)電(dian)(dian)網的經濟運行,或(huo)(huo)者同時(shi)滿(man)足這兩個方面的要求。
分布(bu)式光伏(fu)(fu)發電系(xi)統(tong)的基本設備(bei)包括光伏(fu)(fu)電池組件(jian)(jian)、光伏(fu)(fu)方(fang)陣(zhen)支架、直(zhi)流匯(hui)流箱、直(zhi)流配電柜、并網(wang)逆(ni)(ni)變(bian)器(qi)、交流配電柜等設備(bei),另外還(huan)有(you)供電系(xi)統(tong)監控裝置和環境監測裝置。其運行模式是在(zai)有(you)太(tai)(tai)陽輻(fu)射(she)的條件(jian)(jian)下,光伏(fu)(fu)發電系(xi)統(tong)的太(tai)(tai)陽能電池組件(jian)(jian)陣(zhen)列(lie)將太(tai)(tai)陽能轉換(huan)輸出的電能,經過(guo)直(zhi)流匯(hui)流箱集中送入(ru)直(zhi)流配電柜,由并網(wang)逆(ni)(ni)變(bian)器(qi)逆(ni)(ni)變(bian)成(cheng)交流電供給建筑自身負載,多余或不足(zu)的電力通過(guo)聯接電網(wang)來調(diao)節。
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