在太(tai)(tai)陽(yang)(yang)能(neng)發(fa)電(dian)(dian)系統(tong)(tong)(tong)(tong)中(zhong)，系統(tong)(tong)(tong)(tong)的(de)(de)總效率(lv)(lv)(lv)(lv)η由太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池組件的(de)(de)光電(dian)(dian)轉(zhuan)(zhuan)(zhuan)換(huan)效率(lv)(lv)(lv)(lv)、控制器(qi)效率(lv)(lv)(lv)(lv)、蓄(xu)電(dian)(dian)池效率(lv)(lv)(lv)(lv)、逆變器(qi)效率(lv)(lv)(lv)(lv)及負(fu)載(zai)的(de)(de)效率(lv)(lv)(lv)(lv)等(deng)決定。目(mu)(mu)前，太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池的(de)(de)光電(dian)(dian)轉(zhuan)(zhuan)(zhuan)換(huan)效率(lv)(lv)(lv)(lv)只有17%左(zuo)右。因(yin)此，提(ti)高太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池組件的(de)(de)光電(dian)(dian)轉(zhuan)(zhuan)(zhuan)換(huan)效率(lv)(lv)(lv)(lv)、降低太(tai)(tai)陽(yang)(yang)能(neng)光伏(fu)發(fa)電(dian)(dian)系統(tong)(tong)(tong)(tong)的(de)(de)單位(wei)功率(lv)(lv)(lv)(lv)造價(jia)，是太(tai)(tai)陽(yang)(yang)能(neng)光伏(fu)發(fa)電(dian)(dian)產業化的(de)(de)重點和難點。自太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池問(wen)世以來，晶體硅作為主(zhu)要(yao)材料(liao)保持著統(tong)(tong)(tong)(tong)治(zhi)地位(wei)。目(mu)(mu)前對(dui)硅太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池轉(zhuan)(zhuan)(zhuan)換(huan)效率(lv)(lv)(lv)(lv)的(de)(de)研究，主(zhu)要(yao)圍繞著加大吸(xi)能(neng)面、運(yun)用吸(xi)雜技術(shu)和鈍(dun)化工藝提(ti)高硅太(tai)(tai)陽(yang)(yang)能(neng)電(dian)(dian)池的(de)(de)轉(zhuan)(zhuan)(zhuan)換(huan)效率(lv)(lv)(lv)(lv)、電(dian)(dian)池超薄型化等(deng)方(fang)面。

隨著(zhu)外界環境因素的(de)(de)(de)變(bian)(bian)化(hua)光(guang)伏(fu)(fu)組件的(de)(de)(de)內(nei)阻(zu)(zu)也隨之(zhi)變(bian)(bian)化(hua)，為了使負載(zai)(zai)獲得1大功率，可(ke)以(yi)通過(guo)在光(guang)伏(fu)(fu)組件和負載(zai)(zai)之(zhi)間增加阻(zu)(zu)抗(kang)變(bian)(bian)換(huan)器(qi)，家用太陽能發(fa)電(dian)價格，實(shi)現(xian)(xian)負載(zai)(zai)阻(zu)(zu)抗(kang)的(de)(de)(de)匹(pi)(pi)配。阻(zu)(zu)抗(kang)變(bian)(bian)換(huan)器(qi)即DC/DC變(bian)(bian)換(huan)器(qi)，通過(guo)改變(bian)(bian)DC/DC變(bian)(bian)換(huan)電(dian)路(lu)中功率幵關的(de)(de)(de)占空(kong)比，來(lai)改變(bian)(bian)等效負載(zai)(zai)阻(zu)(zu)值的(de)(de)(de)大小實(shi)現(xian)(xian)阻(zu)(zu)抗(kang)匹(pi)(pi)配，光(guang)伏(fu)(fu)發(fa)電(dian)系統(tong)利用Boost變(bian)(bian)換(huan)器(qi)實(shi)現(xian)(xian)MPPT控(kong)制(zhi)原(yuan)理(li)。合肥烈陽光(guang)伏(fu)(fu)發(fa)電(dian)公司。

太(tai)陽能光伏電站(zhan)(zhan)發電量的(de)(de)(de)(de)影響因(yin)素很多，除了組件本身的(de)(de)(de)(de)質量和(he)功率(lv)，安裝(zhuang)過(guo)程中的(de)(de)(de)(de)角度(du)(du)設計(ji)及屋(wu)頂傾(qing)(qing)斜度(du)(du)也(ye)會影響電站(zhan)(zhan)效(xiao)(xiao)率(lv)。一般來說，屋(wu)面的(de)(de)(de)(de)傾(qing)(qing)斜角度(du)(du)在(zai)15°左(zuo)右屬(shu)于適中角度(du)(du)，而如果屋(wu)頂太(tai)過(guo)于陡峭，一方(fang)面影響安裝(zhuang)施工的(de)(de)(de)(de)難(nan)度(du)(du)，造(zao)成安裝(zhuang)人(ren)員的(de)(de)(de)(de)安全(quan)隱患(huan)，另(ling)一方(fang)面，電站(zhan)(zhan)在(zai)夏季的(de)(de)(de)(de)發電效(xiao)(xiao)率(lv)將會大大減(jian)弱(ruo)，因(yin)此適中的(de)(de)(de)(de)屋(wu)頂傾(qing)(qing)斜角也(ye)是(shi)城(cheng)市(shi)屋(wu)頂安裝(zhuang)太(tai)陽能電站(zhan)(zhan)的(de)(de)(de)(de)重要因(yin)素。