項(xiang)目簡介 應用范圍 系統特點 項目合作 |
工商(shang)業電站項目實景 |
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什么是“自發自用,余電上網”?
自發(fa)(fa)自用(yong)余(yu)電(dian)(dian)上(shang)網(wang)是指分(fen)布式(shi)光(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)系(xi)統(tong)所發(fa)(fa)電(dian)(dian)力主要(yao)由電(dian)(dian)力用(yong)戶(hu)(hu)自己(ji)使用(yong),多(duo)余(yu)電(dian)(dian)量(liang)接入電(dian)(dian)網(wang),它(ta)是分(fen)布式(shi)光(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)的一種商業模(mo)式(shi),對于這種運行模(mo)式(shi)光(guang)(guang)伏(fu)并網(wang)點設在用(yong)戶(hu)(hu)電(dian)(dian)表的負載側,需要(yao)增加一塊光(guang)(guang)伏(fu)反送(song)電(dian)(dian)量(liang)的計量(liang)電(dian)(dian)表或者(zhe)將電(dian)(dian)網(wang)用(yong)電(dian)(dian)電(dian)(dian)表設置成雙向計量(liang),用(yong)戶(hu)(hu)自己(ji)直接用(yong)掉的光(guang)(guang)伏(fu)電(dian)(dian)量(liang),以節省(sheng)電(dian)(dian)費的方式(shi)直接享受電(dian)(dian)網(wang)的銷售電(dian)(dian)價,反送(song)電(dian)(dian)量(liang)單獨計量(liang)并以規定的上(shang)網(wang)電(dian)(dian)價進(jin)行結算。
全額上網是指分布式光伏發電系統所發電力全部接入電網,它是分布式光伏發電的一種商業模式,費用與電力公司結算。
什么是“全額上網”?
工(gong)商業分布式光(guang)伏(fu)電站(zhan)主要利用三種(zhong)屋頂(ding):斜(xie)(xie)面瓦(wa)片屋頂(ding)、混凝土平(ping)屋頂(ding)及(ji)彩鋼瓦(wa)結構。戶用分布式光(guang)伏(fu)電站(zhan)可(ke)以(yi)再斜(xie)(xie)屋頂(ding)、平(ping)屋頂(ding)、陽光(guang)房等(deng)各類屋頂(ding)安裝。
工業(ye)領(ling)域廠(chang)房(fang):特(te)別是(shi)在用(yong)(yong)(yong)電(dian)(dian)量(liang)比(bi)(bi)較(jiao)(jiao)大(da)、網購電(dian)(dian)費比(bi)(bi)較(jiao)(jiao)貴的工廠(chang),通常廠(chang)房(fang)屋頂面積很大(da),屋頂開闊平整,適合(he)安裝光(guang)伏陣(zhen)列并且由于用(yong)(yong)(yong)電(dian)(dian)負(fu)荷(he)較(jiao)(jiao)大(da),分布式(shi)光(guang)伏并網系統(tong)可(ke)以做以就地(di)消納,抵消一(yi)部分網購電(dian)(dian)量(liang),從而節省用(yong)(yong)(yong)戶的電(dian)(dian)費。商(shang)(shang)業(ye)建筑:與工業(ye)園區(qu)的作用(yong)(yong)(yong)效(xiao)果類似,不同之處在于商(shang)(shang)業(ye)建筑多為(wei)水泥屋頂,更(geng)有利與安裝光(guang)伏陣(zhen)列,但是(shi)往往對建筑美(mei)觀性(xing)有要(yao)求,按照(zhao)商(shang)(shang)廈、寫字樓、酒店、會議中心、度(du)假村等服務業(ye)的特(te)點,用(yong)(yong)(yong)戶負(fu)荷(he)特(te)性(xing)一(yi)般表(biao)現為(wei)白天(tian)較(jiao)(jiao)高(gao),夜間(jian)較(jiao)(jiao)低(di),能夠較(jiao)(jiao)好的匹(pi)配光(guang)伏發電(dian)(dian)特(te)性(xing)。
什么樣的(de)屋(wu)頂(ding)可以(yi)安裝分布式光伏電站?
哪(na)些地點適合安裝分(fen)布(bu)式(shi)光伏發電(dian)系統(tong)?
如何選擇分布式光伏并(bing)網系統的并(bing)網電壓(ya)?
分布式光伏系統并網電壓主要由系統裝機容量所決定,具體并網電壓需根據電網公司的接入系統批復決定,一般選用AC380V 或10kV接入電網。
光伏發電系統裝機容量的大小,取決于企業用電量、屋頂的樣式和屋頂的面積,并結合電網公司的批復意見,確定最佳安裝容量。
如(ru)何決(jue)定光伏發電(dian)系統的裝機容量?
在分布式發電(dian)(dian)系(xi)(xi)統(tong)安裝完(wan)成后,電(dian)(dian)網公司會進行(xing)并網的檢驗(yan)驗(yan)收(shou)(shou),驗(yan)收(shou)(shou)合格后會安裝兩(liang)塊(或雙向電(dian)(dian)表),兩(liang)塊電(dian)(dian)表會分別對(dui)光(guang)伏系(xi)(xi)統(tong)的發電(dian)(dian)和市電(dian)(dian)的用電(dian)(dian)量(liang)進行(xing)獨立計(ji)量(liang)。
分布式光伏發電系統并網后,怎么區分使用的是電力公司電量還是光伏電量
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