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目前光伏電站大致可分為三類
2024-03-19    查看次數:983    

  光伏電站的分類

  目(mu)前光(guang)伏(fu)(fu)電(dian)站大致可分為三類:離網(wang)型(xing)光(guang)伏(fu)(fu)發電(dian)系統(tong)、光(guang)伏(fu)(fu)并網(wang)發電(dian)系統(tong)及混(hun)合型(xing)系統(tong)。

  (一(yi))離網型光伏(fu)發(fa)電系(xi)統

  離(li)(li)網(wang)型光(guang)伏(fu)(fu)發(fa)電系(xi)(xi)統是一種(zhong)常見的(de)太陽能應用方式(shi),又稱為獨立型光(guang)伏(fu)(fu)發(fa)電系(xi)(xi)統。顧名思義,離(li)(li)網(wang)型光(guang)伏(fu)(fu)發(fa)電系(xi)(xi)統未(wei)與電網(wang)相連,具有獨立的(de)儲能系(xi)(xi)統。光(guang)伏(fu)(fu)陣列受光(guang)照(zhao)獲得的(de)電能會存(cun)儲至(zhi)蓄電池組,以保證電能供應的(de)持(chi)續性,適合建造在一些遠離(li)(li)公(gong)共電網(wang)的(de)無電地區。

  離(li)網型光(guang)伏發電系統廣泛(fan)應(ying)用(yong)于偏(pian)僻(pi)山區、無電區、海島(dao)、通訊基站和路燈等應(ying)用(yong)場(chang)所。

  (二)光伏并網發電系統

  光(guang)伏并網發(fa)電(dian)(dian)(dian)系統(tong)與傳統(tong)電(dian)(dian)(dian)網相連,并且將(jiang)電(dian)(dian)(dian)網當(dang)做(zuo)系統(tong)的(de)(de)能量儲存單元,當(dang)有陽光(guang)時(shi)(shi),光(guang)伏電(dian)(dian)(dian)池(chi)板(ban)將(jiang)太陽能轉(zhuan)化為直流電(dian)(dian)(dian),并經由逆變器轉(zhuan)換成交流電(dian)(dian)(dian),這些(xie)電(dian)(dian)(dian)能可以直接供(gong)(gong)給負載使用。同時(shi)(shi),系統(tong)還會(hui)將(jiang)產(chan)生(sheng)的(de)(de)多(duo)余電(dian)(dian)(dian)能輸入到電(dian)(dian)(dian)網中,在需(xu)(xu)(xu)要時(shi)(shi)提供(gong)(gong)給其他用戶使用。當(dang)沒(mei)有陽光(guang)時(shi)(shi),負載用電(dian)(dian)(dian)則全部由電(dian)(dian)(dian)網供(gong)(gong)給。光(guang)伏并網發(fa)電(dian)(dian)(dian)系統(tong)可以在保證自(zi)身電(dian)(dian)(dian)力需(xu)(xu)(xu)求的(de)(de)前提下,實(shi)現資源共享,滿(man)足人(ren)們對于(yu)清潔(jie)、綠色、可持續能源的(de)(de)需(xu)(xu)(xu)求。

  光(guang)伏并(bing)網發(fa)電(dian)系統主要集中在(zai)用電(dian)量較(jiao)為緊張(zhang)的發(fa)達(da)地(di)區(qu)(qu)以及(ji)公共電(dian)網不穩定的偏遠(yuan)地(di)區(qu)(qu),在(zai)用電(dian)量比(bi)較(jiao)大的工廠、工業園(yuan)區(qu)(qu)、邊遠(yuan)農牧區(qu)(qu)及(ji)海島(dao)等(deng)各行(xing)各業均有廣(guang)泛應用。

  (三)兩者混合型系統

  混合型系統(tong)是介于(yu)以上(shang)兩(liang)種(zhong)之間(jian)的(de)一種(zhong)光伏(fu)電(dian)(dian)(dian)(dian)站(zhan)。它通過(guo)增加備用發電(dian)(dian)(dian)(dian)機(ji)(ji)組(zu),在太陽能不能滿足需求時,由(you)備用發電(dian)(dian)(dian)(dian)機(ji)(ji)組(zu)向(xiang)交流(liu)負(fu)載提供電(dian)(dian)(dian)(dian)能,同時通過(guo)整流(liu)將備用發電(dian)(dian)(dian)(dian)機(ji)(ji)組(zu)產生的(de)交流(liu)電(dian)(dian)(dian)(dian)轉化為直流(liu)電(dian)(dian)(dian)(dian),然后輸送到儲能單元中進行充電(dian)(dian)(dian)(dian),以保證備用發電(dian)(dian)(dian)(dian)機(ji)(ji)組(zu)的(de)可靠性(xing)。


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