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合肥家用光伏發電系統(tong)-烈陽質量可(ke)靠

光伏(fu)(fu)發(fa)電能夠與(yu)建筑物(wu)相結合，形成光伏(fu)(fu)建筑一體(ti)化的(de)系統，減少土地資源(yuan)的(de)浪費。歷史與(yu)現(xian)狀太(tai)(tai)陽(yang)能光伏(fu)(fu)發(fa)電的(de)歷史可以(yi)追溯(su)到1839年法(fa)國物(wu)理學家貝(bei)克勒爾首1次發(fa)現(xian)光伏(fu)(fu)效應。此后(hou)，各國科學家不斷(duan)探索，1954年塊實用(yong)光伏(fu)(fu)電池(chi)(chi)問(wen)世(shi)，這意味著太(tai)(tai)陽(yang)能光伏(fu)(fu)發(fa)電逐步進(jin)入(ru)(ru)產業化發(fa)展(zhan)的(de)道路。進(jin)入(ru)(ru)21世(shi)紀，太(tai)(tai)陽(yang)能電池(chi)(chi)向全球擴展(zhan)，成為一種重要的(de)可再生(sheng)能源(yuan)。

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視頻作者：合肥烈陽光伏技術有限公司

分(fen)布(bu)式(shi)(shi)光(guang)伏發(fa)(fa)(fa)(fa)電(dian)(dian)特指采用(yong)(yong)光(guang)伏組(zu)件，將太(tai)陽能(neng)(neng)(neng)直(zhi)接(jie)轉(zhuan)換為電(dian)(dian)能(neng)(neng)(neng)的(de)(de)分(fen)布(bu)式(shi)(shi)發(fa)(fa)(fa)(fa)電(dian)(dian)系(xi)統。它是(shi)一種新型的(de)(de)、具有(you)廣闊發(fa)(fa)(fa)(fa)展前景的(de)(de)發(fa)(fa)(fa)(fa)電(dian)(dian)和能(neng)(neng)(neng)源(yuan)綜(zong)合(he)利用(yong)(yong)方式(shi)(shi)，它倡導就(jiu)(jiu)近(jin)發(fa)(fa)(fa)(fa)電(dian)(dian)，就(jiu)(jiu)近(jin)并網(wang)，就(jiu)(jiu)近(jin)轉(zhuan)換，就(jiu)(jiu)近(jin)使(shi)用(yong)(yong)的(de)(de)原則，不僅(jin)能(neng)(neng)(neng)夠有(you)效(xiao)提高同等規(gui)模(mo)光(guang)伏電(dian)(dian)站的(de)(de)發(fa)(fa)(fa)(fa)電(dian)(dian)量(liang)，同時(shi)還有(you)效(xiao)解決了電(dian)(dian)力在(zai)升壓(ya)及長途(tu)運輸(shu)中的(de)(de)損耗問題(ti)。分(fen)布(bu)式(shi)(shi)光(guang)伏發(fa)(fa)(fa)(fa)電(dian)(dian)系(xi)統建在(zai)工(gong)商(shang)業廠房屋頂(ding)上，不僅(jin)不會破壞屋頂(ding)結構，還可以有(you)效(xiao)減少屋頂(ding)所承受的(de)(de)陽光(guang)直(zhi)射(she)，雨水侵蝕(shi)，增加屋頂(ding)的(de)(de)使(shi)用(yong)(yong)壽命。此(ci)外，分(fen)布(bu)式(shi)(shi)光(guang)伏發(fa)(fa)(fa)(fa)電(dian)(dian)系(xi)統本身外觀時(shi)尚，配合(he)建筑物屋頂(ding)之后整體(ti)效(xiao)果美觀又大氣。

光伏效應：

如果光(guang)線照(zhao)射在(zai)(zai)太陽(yang)能(neng)電(dian)(dian)(dian)(dian)池(chi)上(shang)并(bing)且光(guang)在(zai)(zai)界(jie)面(mian)(mian)層(ceng)(ceng)被(bei)吸(xi)收(shou)，具有足夠能(neng)量的(de)(de)光(guang)子(zi)能(neng)夠在(zai)(zai)P型硅(gui)和(he)(he)N型硅(gui)中將(jiang)電(dian)(dian)(dian)(dian)子(zi)從共價鍵中激發，以致產(chan)(chan)生電(dian)(dian)(dian)(dian)子(zi)-空(kong)穴(xue)(xue)(xue)對。界(jie)面(mian)(mian)層(ceng)(ceng)附近的(de)(de)電(dian)(dian)(dian)(dian)子(zi)和(he)(he)空(kong)穴(xue)(xue)(xue)在(zai)(zai)復合之(zhi)前(qian)，將(jiang)通(tong)過(guo)空(kong)間(jian)電(dian)(dian)(dian)(dian)荷的(de)(de)電(dian)(dian)(dian)(dian)場作用被(bei)相互分離。電(dian)(dian)(dian)(dian)子(zi)向(xiang)帶正電(dian)(dian)(dian)(dian)的(de)(de)N區(qu)和(he)(he)空(kong)穴(xue)(xue)(xue)向(xiang)帶負電(dian)(dian)(dian)(dian)的(de)(de)P區(qu)運動。通(tong)過(guo)界(jie)面(mian)(mian)層(ceng)(ceng)的(de)(de)電(dian)(dian)(dian)(dian)荷分離，將(jiang)在(zai)(zai)P區(qu)和(he)(he)N區(qu)之(zhi)間(jian)產(chan)(chan)生一個(ge)向(xiang)外的(de)(de)可(ke)(ke)測試的(de)(de)電(dian)(dian)(dian)(dian)壓。此時(shi)可(ke)(ke)在(zai)(zai)硅(gui)片的(de)(de)兩邊加上(shang)電(dian)(dian)(dian)(dian)極并(bing)接入電(dian)(dian)(dian)(dian)壓表。對晶體硅(gui)太陽(yang)能(neng)電(dian)(dian)(dian)(dian)池(chi)來說(shuo)，開路電(dian)(dian)(dian)(dian)壓的(de)(de)典型數值為(wei)0.5～0.6V。通(tong)過(guo)光(guang)照(zhao)在(zai)(zai)界(jie)面(mian)(mian)層(ceng)(ceng)產(chan)(chan)生的(de)(de)電(dian)(dian)(dian)(dian)子(zi)－空(kong)穴(xue)(xue)(xue)對越(yue)多(duo)，電(dian)(dian)(dian)(dian)流越(yue)大。界(jie)面(mian)(mian)層(ceng)(ceng)吸(xi)收(shou)的(de)(de)光(guang)能(neng)越(yue)多(duo)，界(jie)面(mian)(mian)層(ceng)(ceng)即(ji)電(dian)(dian)(dian)(dian)池(chi)面(mian)(mian)積越(yue)大，在(zai)(zai)太陽(yang)能(neng)電(dian)(dian)(dian)(dian)池(chi)中形成(cheng)的(de)(de)電(dian)(dian)(dian)(dian)流也越(yue)大。