太陽能光伏(fu)支架使用的材料不盡相同,主要有鋁合金、不銹鋼以及非金屬。其中,非金屬的使用較少
1.固定式光伏支架
固(gu)定式(shi)(shi)光(guang)伏(fu)支架(jia),是指(zhi)安裝(zhuang)之后方位、角(jiao)度等(deng)保持不變的(de)支架(jia)系統。固(gu)定安裝(zhuang)方式(shi)(shi)直(zhi)接(jie)將太(tai)陽能光(guang)伏(fu)組件朝向低緯度地區(qu)放置(與地面(mian)成一(yi)定的(de)角(jiao)度),以(yi)串并聯的(de)方式(shi)(shi)組成太(tai)陽能光(guang)伏(fu)陣列,從而達到太(tai)陽能光(guang)伏(fu)發電的(de)目的(de)。其固(gu)定方式(shi)(shi)有(you)(you)多種(zhong),如地面(mian)固(gu)定方式(shi)(shi)就有(you)(you)樁基(ji)法(直(zhi)接(jie)埋入法)、混凝土塊配重法、預(yu)埋法、地錨法等(deng),屋面(mian)固(gu)定方式(shi)(shi)隨屋面(mian)材料不同(tong)而有(you)(you)不同(tong)的(de)方案(an)。
2.跟蹤式光伏支架
當太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)線(xian)垂直于電池面板時(shi),太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng)接收到的(de)太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)能(neng),發(fa)電功率也(ye)。但是地球時(shi)時(shi)刻(ke)(ke)刻(ke)(ke)都在(zai)進行(xing)公轉和(he)自轉,因此太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)線(xian)角度是時(shi)刻(ke)(ke)都在(zai)發(fa)生變化(hua)的(de)。因此跟(gen)(gen)(gen)蹤系統(tong)(tong)是盡量去對準太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang),使(shi)太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)線(xian)在(zai)電池面板單位面積(ji)的(de)接收到的(de)太(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)線(xian)更多,從而(er)增加發(fa)電量。目(mu)前而(er)言,跟(gen)(gen)(gen)蹤系統(tong)(tong)包括單周跟(gen)(gen)(gen)蹤系統(tong)(tong)與雙(shuang)軸跟(gen)(gen)(gen)蹤系統(tong)(tong)兩(liang)大(da)類(lei),單軸跟(gen)(gen)(gen)蹤系統(tong)(tong)又分為水平單軸跟(gen)(gen)(gen)蹤系統(tong)(tong)和(he)斜單軸跟(gen)(gen)(gen)蹤系統(tong)(tong)。