光(guang)伏電池組件的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)但(dan)是，在(zai)(zai)晴朗的(de)(de)(de)(de)夏天(tian)，太(tai)陽(yang)輻射(she)能(neng)量的(de)(de)(de)(de)時(shi)(shi)刻(ke)是在(zai)(zai)中午(wu)稍后(hou)，因此方(fang)(fang)陣的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)稍微向西偏一些時(shi)(shi)，在(zai)(zai)午(wu)后(hou)時(shi)(shi)刻(ke)可獲(huo)得(de)(de)發(fa)電功率。在(zai)(zai)不同的(de)(de)(de)(de)季節，太(tai)陽(yang)電池方(fang)(fang)陣的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)稍微向東或西一些都有獲(huo)得(de)(de)發(fa)電量時(shi)(shi)候(hou)。方(fang)(fang)陣設置場(chang)所(suo)受到許多(duo)條件的(de)(de)(de)(de)制(zhi)約，例如(ru)，在(zai)(zai)地(di)面上(shang)設置時(shi)(shi)土地(di)的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)、在(zai)(zai)屋(wu)頂(ding)上(shang)設置時(shi)(shi)屋(wu)頂(ding)的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)，或者是為了躲避太(tai)陽(yang)陰(yin)影(ying)時(shi)(shi)的(de)(de)(de)(de)方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)，以(yi)及布置規劃、發(fa)電效率、設計規劃、建設目的(de)(de)(de)(de)等許多(duo)因素都有關系(xi)。如(ru)果要將方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)調整到在(zai)(zai)一天(tian)中負荷(he)的(de)(de)(de)(de)峰(feng)值(zhi)時(shi)(shi)刻(ke)與發(fa)電峰(feng)值(zhi)時(shi)(shi)刻(ke)一致時(shi)(shi)，請參考(kao)下(xia)述的(de)(de)(de)(de)公式。至于并網發(fa)電的(de)(de)(de)(de)場(chang)合(he)，屋(wu)頂(ding)光(guang)伏板，希望綜合(he)考(kao)慮以(yi)上(shang)各方(fang)(fang)面的(de)(de)(de)(de)情況來選定(ding)方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)。方(fang)(fang)位(wei)(wei)角(jiao)(jiao)(jiao)=（一天(tian)中負荷(he)的(de)(de)(de)(de)峰(feng)值(zhi)時(shi)(shi)刻(ke)（24小(xiao)時(shi)(shi)制(zhi)）-12）×15+（經度(du)-116）。

光(guang)(guang)伏(fu)(fu)(fu)組(zu)(zu)件(jian)是如何(he)影(ying)響屋頂光(guang)(guang)伏(fu)(fu)(fu)發電(dian)量(liang)的(de)組(zu)(zu)件(jian)清(qing)(qing)(qing)(qing)洗(xi)(xi)(1)人工(gong)清(qing)(qing)(qing)(qing)洗(xi)(xi)人工(gong)干洗(xi)(xi)組(zu)(zu)件(jian)：人工(gong)干洗(xi)(xi)是采用長柄絨拖(tuo)布配合洗(xi)(xi)塵(chen)(chen)劑進行(xing)清(qing)(qing)(qing)(qing)洗(xi)(xi)，單晶(jing)硅太陽能(neng)光(guang)(guang)伏(fu)(fu)(fu)板，使用的(de)油性(xing)靜電(dian)吸塵(chen)(chen)劑。主要利用靜電(dian)吸附(fu)原(yuan)理，具(ju)有吸附(fu)灰(hui)(hui)塵(chen)(chen)和沙粒的(de)作用，能(neng)夠(gou)增強(qiang)清(qing)(qing)(qing)(qing)洗(xi)(xi)工(gong)具(ju)吸塵(chen)(chen)去污(wu)能(neng)力(li)，有效地避免在(zai)清(qing)(qing)(qing)(qing)掃(sao)時的(de)灰(hui)(hui)塵(chen)(chen)沙粒飛(fei)揚。(2)自動(dong)清(qing)(qing)(qing)(qing)洗(xi)(xi)半自動(dong)清(qing)(qing)(qing)(qing)洗(xi)(xi)，目前(qian)該類設備以工(gong)程(cheng)車輛為載體改裝(zhuang)為主，設備功(gong)率大(da)、效率比(bi)較高，清(qing)(qing)(qing)(qing)洗(xi)(xi)工(gong)作對(dui)組(zu)(zu)件(jian)壓(ya)力(li)一(yi)致性(xing)好，不會對(dui)組(zu)(zu)件(jian)產(chan)生(sheng)不均衡的(de)壓(ya)力(li)，造成(cheng)組(zu)(zu)件(jian)隱裂。自動(dong)清(qing)(qing)(qing)(qing)洗(xi)(xi)方式是將清(qing)(qing)(qing)(qing)洗(xi)(xi)裝(zhuang)置安裝(zhuang)在(zai)光(guang)(guang)伏(fu)(fu)(fu)組(zu)(zu)件(jian)陣列上，通(tong)過程(cheng)序(xu)控制電(dian)機的(de)轉動(dong)實現裝(zhuang)置對(dui)光(guang)(guang)伏(fu)(fu)(fu)組(zu)(zu)件(jian)的(de)自動(dong)清(qing)(qing)(qing)(qing)洗(xi)(xi)。這種(zhong)清(qing)(qing)(qing)(qing)洗(xi)(xi)方式成(cheng)本高昂，設計復雜。

太陽(yang)電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)中某些電(dian)(dian)(dian)池(chi)(chi)單片的(de)電(dian)(dian)(dian)流(liu)、電(dian)(dian)(dian)壓發生了(le)變(bian)化。其(qi)結果(guo)使(shi)太陽(yang)電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)局(ju)(ju)部(bu)電(dian)(dian)(dian)流(liu)與電(dian)(dian)(dian)壓之(zhi)積增(zeng)大，安徽光伏板，從而在這些電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)上(shang)產生了(le)局(ju)(ju)部(bu)溫升。太陽(yang)電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)中某些電(dian)(dian)(dian)池(chi)(chi)單片本身缺(que)陷也可(ke)能使(shi)組(zu)(zu)件(jian)(jian)在工作時局(ju)(ju)部(bu)發熱，這種現象叫“熱斑(ban)效應(ying)”。當熱板效應(ying)達到一定程度(du)，組(zu)(zu)件(jian)(jian)上(shang)的(de)焊點熔化并毀(hui)壞柵線(xian)，從而導(dao)致整個(ge)太陽(yang)電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)的(de)報廢。據(ju)行業(ye)給出的(de)數(shu)據(ju)顯示，熱斑(ban)效應(ying)使(shi)太陽(yang)電(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)件(jian)(jian)的(de)實際使(shi)用壽命至(zhi)少減(jian)少10%。