山東省青州市魯(lu)東機械2.1MW光伏發(fa)電(dian)站(zhan)(zhan)項(xiang)目(mu)。彩(cai)鋼瓦屋(wu)頂光伏發(fa)電(dian)站(zhan)(zhan),已并網(wang)發(fa)電(dian)成功!
輸送方式
太(tai)陽能光伏(fu)發電分(fen)為(wei)獨(du)立光伏(fu)發電、并網光伏(fu)發電、分(fen)布式光伏(fu)發電
獨立光伏發電
獨(du)立(li)光(guang)伏發電系(xi)統也叫離網光(guang)伏發電系(xi)統。主要(yao)由太陽能電池組件、控制器、蓄電池組成,若要(yao)為交流負(fu)載供電,還需要(yao)配(pei)置交流逆變器。
并網光伏發電
并(bing)(bing)網(wang)光(guang)(guang)伏(fu)(fu)(fu)發(fa)(fa)電(dian)系(xi)統(tong)(tong)就是(shi)太陽能組件產生(sheng)的(de)直流電(dian)經(jing)過(guo)并(bing)(bing)網(wang)逆(ni)變器轉(zhuan)換成符(fu)合市電(dian)電(dian)網(wang)要求的(de)交流電(dian)之后直接接入公共電(dian)網(wang)。并(bing)(bing)網(wang)光(guang)(guang)伏(fu)(fu)(fu)發(fa)(fa)電(dian)系(xi)統(tong)(tong)有集中式大(da)(da)型并(bing)(bing)網(wang)光(guang)(guang)伏(fu)(fu)(fu)電(dian)站(zhan)一(yi)(yi)般都(dou)是(shi)國家級電(dian)站(zhan),主要特點是(shi)將所發(fa)(fa)電(dian)能直接輸送到電(dian)網(wang),由電(dian)網(wang)統(tong)(tong)一(yi)(yi)調配向用戶供(gong)電(dian)。但這種電(dian)站(zhan)投(tou)資(zi)大(da)(da)、建(jian)設(she)周期長、占地(di)面(mian)積大(da)(da),發(fa)(fa)展難(nan)度相(xiang)對較(jiao)大(da)(da)。而分散式小(xiao)型并(bing)(bing)網(wang)光(guang)(guang)伏(fu)(fu)(fu)系(xi)統(tong)(tong),特別(bie)是(shi)光(guang)(guang)伏(fu)(fu)(fu)建(jian)筑一(yi)(yi)體化發(fa)(fa)電(dian)系(xi)統(tong)(tong),由于投(tou)資(zi)小(xiao)、建(jian)設(she)快、占地(di)面(mian)積小(xiao)、政策支持(chi)力度大(da)(da)等優點,是(shi)并(bing)(bing)網(wang)光(guang)(guang)伏(fu)(fu)(fu)發(fa)(fa)電(dian)的(de)主流。
分布式光伏發電
分(fen)布式(shi)(shi)光(guang)伏發電(dian)(dian)系統(tong),又稱(cheng)分(fen)散式(shi)(shi)發電(dian)(dian)或(huo)分(fen)布式(shi)(shi)供能,是(shi)指在用戶現(xian)(xian)場或(huo)靠近用電(dian)(dian)現(xian)(xian)場配置較(jiao)小的(de)光(guang)伏發電(dian)(dian)供電(dian)(dian)系統(tong),以滿足(zu)特定用戶的(de)需求,支持現(xian)(xian)存配電(dian)(dian)網的(de)經濟(ji)運行,或(huo)者同時滿足(zu)這兩個方(fang)面的(de)要(yao)求。
分布式光(guang)伏發電(dian)(dian)(dian)(dian)系(xi)統(tong)的基本設(she)備包括光(guang)伏電(dian)(dian)(dian)(dian)池組件、光(guang)伏方(fang)陣支(zhi)架、直(zhi)流(liu)匯(hui)流(liu)箱、直(zhi)流(liu)配(pei)電(dian)(dian)(dian)(dian)柜(ju)、并網逆(ni)(ni)變器(qi)、交流(liu)配(pei)電(dian)(dian)(dian)(dian)柜(ju)等設(she)備,另外還(huan)有供(gong)電(dian)(dian)(dian)(dian)系(xi)統(tong)監控裝(zhuang)置和(he)環境監測(ce)裝(zhuang)置。其運(yun)行模(mo)式是在有太(tai)陽(yang)(yang)輻(fu)射的條(tiao)件下,光(guang)伏發電(dian)(dian)(dian)(dian)系(xi)統(tong)的太(tai)陽(yang)(yang)能(neng)電(dian)(dian)(dian)(dian)池組件陣列將太(tai)陽(yang)(yang)能(neng)轉換輸出(chu)的電(dian)(dian)(dian)(dian)能(neng),經過(guo)(guo)直(zhi)流(liu)匯(hui)流(liu)箱集中送入直(zhi)流(liu)配(pei)電(dian)(dian)(dian)(dian)柜(ju),由并網逆(ni)(ni)變器(qi)逆(ni)(ni)變成交流(liu)電(dian)(dian)(dian)(dian)供(gong)給(gei)建筑自身(shen)負載,多余(yu)或不(bu)足的電(dian)(dian)(dian)(dian)力通過(guo)(guo)聯接電(dian)(dian)(dian)(dian)網來調(diao)節(jie)。
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