一、屋頂光伏發電和地面光伏發電對比

地(di)(di)面(mian)電(dian)(dian)(dian)(dian)(dian)站(zhan)和屋(wu)頂分(fen)布(bu)式電(dian)(dian)(dian)(dian)(dian)站(zhan)是目前光(guang)伏電(dian)(dian)(dian)(dian)(dian)站(zhan)投資(zi)的兩大類型。地(di)(di)面(mian)電(dian)(dian)(dian)(dian)(dian)站(zhan)因擁有清晰的產權而容易獲得金融支持，安裝、接入(ru)方式簡單，只與電(dian)(dian)(dian)(dian)(dian)網(wang)有結算(suan)關系，這些都是其優點。但同時還(huan)要看到(dao)，地(di)(di)面(mian)電(dian)(dian)(dian)(dian)(dian)站(zhan)存在占用(yong)大量(liang)土地(di)(di)、補(bu)貼到(dao)位(wei)時間長等不足。此外，地(di)(di)面(mian)電(dian)(dian)(dian)(dian)(dian)站(zhan)還(huan)會受(shou)到(dao)電(dian)(dian)(dian)(dian)(dian)改等因素(su)的影(ying)響，由于發電(dian)(dian)(dian)(dian)(dian)側(ce)放開競(jing)價上(shang)網(wang)，光(guang)伏地(di)(di)面(mian)電(dian)(dian)(dian)(dian)(dian)站(zhan)競(jing)爭力就會顯得嚴(yan)重不足。

另外還(huan)需要考慮(lv)到(dao)(dao)(dao)，屋(wu)頂分(fen)布式(shi)(shi)電(dian)(dian)(dian)站(zhan)(zhan)往往會因產(chan)權不(bu)夠清晰，而不(bu)容易獲(huo)得金融支持；同時(shi)，屋(wu)頂分(fen)布式(shi)(shi)電(dian)(dian)(dian)站(zhan)(zhan)的安裝、接入方式(shi)(shi)相對復雜；其結算關(guan)系(xi)上存在屋(wu)頂業主、投(tou)資方和電(dian)(dian)(dian)網三方關(guan)系(xi)，業主有違約(yue)風(feng)險等。必須(xu)看到(dao)(dao)(dao)，不(bu)占用土(tu)地、電(dian)(dian)(dian)量消納不(bu)受限制、首(shou)次補(bu)貼到(dao)(dao)(dao)位時(shi)間為(wei)一個(ge)季度等，都(dou)是屋(wu)頂分(fen)布式(shi)(shi)電(dian)(dian)(dian)站(zhan)(zhan)的優勢。同時(shi)，由(you)于是直供電(dian)(dian)(dian)，屋(wu)頂分(fen)布式(shi)(shi)電(dian)(dian)(dian)站(zhan)(zhan)未來會成為(wei)售電(dian)(dian)(dian)公司的首(shou)選。

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二、屋頂光伏發電有沒有輻射

屋頂光伏發電沒有輻(fu)射，不(bu)會(hui)對人體有害(hai)。光(guang)伏發電(dian)是將光(guang)能(neng)通過半導(dao)體的特性直(zhi)(zhi)接轉(zhuan)(zhuan)化為直(zhi)(zhi)流(liu)電(dian)能(neng)的，再通過逆變(bian)器將直(zhi)(zhi)流(liu)電(dian)轉(zhuan)(zhuan)換成可以(yi)被我(wo)們使用的交流(liu)電(dian)。其(qi)中沒有任何(he)化學變(bian)化以(yi)及(ji)核反應，所以(yi)光(guang)伏發電(dian)是不(bu)會(hui)有輻(fu)射的。光(guang)伏發電(dian)是無(wu)污染、無(wu)輻(fu)射，取(qu)之(zhi)不(bu)盡用之(zhi)不(bu)竭(jie)的清潔(jie)能(neng)源。

光(guang)(guang)(guang)伏組件(jian)本身在發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)時并(bing)不產(chan)生任何電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)輻(fu)射，但是(shi)(shi)為(wei)了(le)將光(guang)(guang)(guang)伏組件(jian)所(suo)發(fa)的(de)(de)(de)直流電(dian)(dian)(dian)(dian)(dian)(dian)(dian)轉變為(wei)交(jiao)流電(dian)(dian)(dian)(dian)(dian)(dian)(dian)并(bing)實現和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網的(de)(de)(de)連(lian)接，通常需(xu)要很多的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力設備和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子器(qi)件(jian)，這些(xie)(xie)設備在運行時會影(ying)響周圍的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)環境。 這里用光(guang)(guang)(guang)伏發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統(tong)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)環境指代存在于(yu)光(guang)(guang)(guang)伏系(xi)統(tong)周邊的(de)(de)(de)由于(yu)光(guang)(guang)(guang)伏系(xi)統(tong)運行產(chan)生的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)現象的(de)(de)(de)總和(he)。 經科(ke)學測定，太陽能(neng)光(guang)(guang)(guang)伏發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統(tong)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)環境低(di)于(yu)各項(xiang)指標(biao)的(de)(de)(de)限值。在工頻(pin)段，太陽能(neng)光(guang)(guang)(guang)伏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)環境甚至(zhi)低(di)于(yu)正常使用的(de)(de)(de)常用家用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)時產(chan)生的(de)(de)(de)量值；因為(wei)光(guang)(guang)(guang)伏組件(jian)是(shi)(shi)沒有(you)輻(fu)射的(de)(de)(de)，相反(fan)它(ta)可以反(fan)射一些(xie)(xie)太陽光(guang)(guang)(guang)里面的(de)(de)(de)有(you)害(hai)(hai)的(de)(de)(de)紫(zi)(zi)外線，所(suo)以光(guang)(guang)(guang)伏組件(jian)不僅不會有(you)危(wei)害(hai)(hai)還而(er)會反(fan)射一部分有(you)害(hai)(hai)的(de)(de)(de)紫(zi)(zi)外線，對人體(ti)是(shi)(shi)沒有(you)危(wei)害(hai)(hai)的(de)(de)(de)。