中國(guo)(guo)是(shi)光(guang)(guang)(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)安裝(zhuang)量增長快的(de)國(guo)(guo)家，2011年的(de)光(guang)(guang)(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)安裝(zhuang)量比(bi)2010年增長了約5倍，2011年電(dian)(dian)(dian)(dian)池產(chan)量達到20GW，約占(zhan)的(de)65%。太陽(yang)(yang)能(neng)(neng)光(guang)(guang)(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)：將(jiang)太陽(yang)(yang)能(neng)(neng)直接轉化為電(dian)(dian)(dian)(dian)能(neng)(neng)的(de)技(ji)術(shu)(shu)稱為光(guang)(guang)(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)技(ji)術(shu)(shu)。太陽(yang)(yang)能(neng)(neng)取之不(bu)(bu)盡，只(zhi)要(yao)有(you)陽(yang)(yang)光(guang)(guang)(guang)(guang)，隨時都有(you)電(dian)(dian)(dian)(dian)力。企(qi)業利用建筑屋(wu)頂的(de)優勢，建立了可(ke)靠、無噪音(yin)的(de)光(guang)(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)站，屋(wu)頂集中式(shi)光(guang)(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)站，不(bu)(bu)僅發(fa)(fa)揮了發(fa)(fa)電(dian)(dian)(dian)(dian)的(de)作(zuo)用，而且增加了建筑的(de)美感(gan)，為企(qi)業創造了效(xiao)益。光(guang)(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)池的(de)輸出功(gong)率會隨著溫度上升而降低，通風(feng)(feng)散熱可(ke)以(yi)提高發(fa)(fa)電(dian)(dian)(dian)(dian)效(xiao)率，光(guang)(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)站廠(chang)商，很常(chang)用的(de)辦法為自然風(feng)(feng)進行(xing)通風(feng)(feng)。光(guang)(guang)(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)系(xi)統是(shi)將(jiang)太陽(yang)(yang)能(neng)(neng)轉換(huan)為電(dian)(dian)(dian)(dian)能(neng)(neng)，不(bu)(bu)會產(chan)生燥(zao)音(yin)影(ying)響，濟(ji)寧(ning)光(guang)(guang)(guang)(guang)伏(fu)電(dian)(dian)(dian)(dian)站，逆(ni)變器(qi)的(de)噪音(yin)指(zhi)標不(bu)(bu)高于 65 分貝，也不(bu)(bu)會有(you)噪音(yin)危害。

光伏發(fa)電(dian)(dian)(dian)系統的(de)(de)(de)太(tai)陽能(neng)電(dian)(dian)(dian)池(chi)組件陣列將太(tai)陽能(neng)轉換輸出(chu)的(de)(de)(de)電(dian)(dian)(dian)能(neng)，經過(guo)直流(liu)匯流(liu)箱集中送(song)入直流(liu)配(pei)電(dian)(dian)(dian)柜，由并網(wang)逆變(bian)器逆變(bian)成(cheng)交流(liu)電(dian)(dian)(dian)供(gong)給建(jian)筑(zhu)(zhu)自身負載(zai)，多余或不(bu)足的(de)(de)(de)電(dian)(dian)(dian)力通(tong)過(guo)聯接電(dian)(dian)(dian)網(wang)來調(diao)節。太(tai)陽能(neng)電(dian)(dian)(dian)池(chi)經過(guo)串聯后進行封(feng)裝(zhuang)保護可形成(cheng)大(da)面(mian)積的(de)(de)(de)太(tai)陽電(dian)(dian)(dian)池(chi)組件，再配(pei)合上功率控制(zhi)器等部件就形成(cheng)了光伏發(fa)電(dian)(dian)(dian)裝(zhuang)置。帶有蓄電(dian)(dian)(dian)池(chi)的(de)(de)(de)光伏并網(wang)發(fa)電(dian)(dian)(dian)系統常(chang)常(chang)安裝(zhuang)在(zai)居(ju)民建(jian)筑(zhu)(zhu)；不(bu)帶蓄電(dian)(dian)(dian)池(chi)的(de)(de)(de)并網(wang)發(fa)電(dian)(dian)(dian)系統不(bu)具備可調(diao)度性和(he)備用電(dian)(dian)(dian)源的(de)(de)(de)功能(neng)，一(yi)般安裝(zhuang)在(zai)較大(da)型的(de)(de)(de)系統上。

太陽(yang)(yang)(yang)能(neng)(neng)光(guang)(guang)(guang)伏發電(dian)(dian)(dian)：將太陽(yang)(yang)(yang)能(neng)(neng)直(zhi)接轉(zhuan)化為(wei)電(dian)(dian)(dian)能(neng)(neng)的(de)技術(shu)稱為(wei)光(guang)(guang)(guang)伏發電(dian)(dian)(dian)技術(shu)。太陽(yang)(yang)(yang)能(neng)(neng)取之不(bu)盡，大型光(guang)(guang)(guang)伏電(dian)(dian)(dian)站公(gong)司，只要有陽(yang)(yang)(yang)光(guang)(guang)(guang)，隨時(shi)都(dou)有電(dian)(dian)(dian)力。企業利(li)用(yong)建(jian)筑屋頂的(de)優(you)勢，建(jian)立了可靠、無(wu)噪音(yin)的(de)光(guang)(guang)(guang)伏電(dian)(dian)(dian)站，不(bu)僅(jin)發揮了發電(dian)(dian)(dian)的(de)作用(yong)，而(er)且(qie)增加了建(jian)筑的(de)美感，為(wei)企業創造了效益。光(guang)(guang)(guang)發發電(dian)(dian)(dian)的(de)原理是，太陽(yang)(yang)(yang)光(guang)(guang)(guang)照(zhao)在半導體p-n結上，形成新的(de)空(kong)穴-電(dian)(dian)(dian)子對，在p-n結內建(jian)電(dian)(dian)(dian)場的(de)作用(yong)下，空(kong)穴由n區流向p區，電(dian)(dian)(dian)子由p區流向n區，接通電(dian)(dian)(dian)路后就(jiu)形成電(dian)(dian)(dian)流。這(zhe)就(jiu)是光(guang)(guang)(guang)電(dian)(dian)(dian)效應(ying)太陽(yang)(yang)(yang)能(neng)(neng)電(dian)(dian)(dian)池(chi)(chi)的(de)工作原理。并網(wang)光(guang)(guang)(guang)伏發電(dian)(dian)(dian)就(jiu)是太陽(yang)(yang)(yang)能(neng)(neng)組件產(chan)生的(de)直(zhi)流電(dian)(dian)(dian)經過并網(wang)逆變器轉(zhuan)換成符合市(shi)電(dian)(dian)(dian)電(dian)(dian)(dian)網(wang)要求的(de)交流電(dian)(dian)(dian)之后直(zhi)接接入(ru)公(gong)共(gong)電(dian)(dian)(dian)網(wang)。可以分(fen)為(wei)帶蓄(xu)電(dian)(dian)(dian)池(chi)(chi)的(de)和不(bu)帶蓄(xu)電(dian)(dian)(dian)池(chi)(chi)的(de)并網(wang)發電(dian)(dian)(dian)系(xi)統。