儲能和光伏之間的“緊密聯系”
2024-04-29
在全球追求清潔(jie)、可再(zai)生能源的(de)(de)(de)大背景下(xia),光(guang)(guang)(guang)伏發(fa)電(dian)技(ji)術以其獨特的(de)(de)(de)優勢嶄露頭角。然而(er),光(guang)(guang)(guang)伏發(fa)電(dian)的(de)(de)(de)間歇和波動性一(yi)直(zhi)是制(zhi)約(yue)其大規(gui)模應(ying)用的(de)(de)(de)技(ji)術難題(ti)。幸運的(de)(de)(de)是,儲能技(ji)術的(de)(de)(de)出現和快速發(fa)展(zhan)為(wei)光(guang)(guang)(guang)伏產(chan)業(ye)的(de)(de)(de)進一(yi)步騰飛插上(shang)了翅膀。接下(xia)來(lai)帶您深入了解儲能技(ji)術與光(guang)(guang)(guang)伏產(chan)業(ye)之間的(de)(de)(de)緊密(mi)聯系,并展(zhan)望其未來(lai)的(de)(de)(de)發(fa)展(zhan)前景。
在全球(qiu)追(zhui)求(qiu)清潔、可(ke)再生能源的(de)大(da)背景(jing)下,光(guang)(guang)伏發電(dian)技術以其獨(du)特的(de)優勢嶄(zhan)露(lu)頭角。然而,光(guang)(guang)伏發電(dian)的(de)間(jian)歇和(he)波動性一(yi)直是制約其大(da)規模應用(yong)的(de)技術難(nan)題。幸運(yun)的(de)是,儲能技術的(de)出現和(he)快速(su)發展(zhan)為光(guang)(guang)伏產(chan)業的(de)進(jin)一(yi)步騰飛插上了翅膀。接(jie)下來帶您深入了解(jie)儲能技術與光(guang)(guang)伏產(chan)業之間(jian)的(de)緊密聯(lian)系(xi),并展(zhan)望其未來的(de)發展(zhan)前景(jing)
光伏發(fa)電量會因為光照時間、太陽(yang)照射(she)強度(du)等(deng)多種自然因素(su)的(de)影響出(chu)現間歇性(xing)和(he)波動性(xing),儲(chu)(chu)能(neng)技(ji)(ji)術是指將多余的(de)能(neng)量轉化為其他形(xing)式的(de)能(neng)量儲(chu)(chu)存起來(lai),并(bing)在(zai)需要時釋放出(chu)來(lai)的(de)技(ji)(ji)術。它在(zai)解決光伏發(fa)電間歇性(xing)和(he)波動性(xing)問題上發(fa)揮著至關重要的(de)作用。目前,儲(chu)(chu)能(neng)技(ji)(ji)術主要分為物理儲(chu)(chu)能(neng)、化學儲(chu)(chu)能(neng)和(he)其他儲(chu)(chu)能(neng)方式。
化(hua)學(xue)儲能(neng)(neng)(neng)(neng)(neng)(neng)以電(dian)(dian)(dian)(dian)池(chi)儲能(neng)(neng)(neng)(neng)(neng)(neng)為主,尤其是鋰電(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)池(chi)儲能(neng)(neng)(neng)(neng)(neng)(neng)系(xi)統(tong)。通(tong)過化(hua)學(xue)反應將電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)轉(zhuan)化(hua)為化(hua)學(xue)能(neng)(neng)(neng)(neng)(neng)(neng)儲存起(qi)來,在需要(yao)時(shi)再通(tong)過逆反應將化(hua)學(xue)能(neng)(neng)(neng)(neng)(neng)(neng)轉(zhuan)化(hua)為電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)釋放出來。鋰離子電(dian)(dian)(dian)(dian)池(chi)儲能(neng)(neng)(neng)(neng)(neng)(neng)系(xi)統(tong)具(ju)有能(neng)(neng)(neng)(neng)(neng)(neng)量密度高(gao)、自放電(dian)(dian)(dian)(dian)率低等(deng)優點,在居民屋頂(ding)光伏儲能(neng)(neng)(neng)(neng)(neng)(neng)系(xi)統(tong)、微(wei)電(dian)(dian)(dian)(dian)網(wang)等(deng)領域(yu)得到了廣(guang)泛應用。這些系(xi)統(tong)的(de)安裝不僅實現了自給自足的(de)電(dian)(dian)(dian)(dian)力(li)供應,降低了電(dian)(dian)(dian)(dian)費(fei)支(zhi)出,還可以將多余(yu)的(de)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)(neng)(neng)(neng)賣給電(dian)(dian)(dian)(dian)網(wang)獲(huo)取收益。
將(jiang)儲(chu)能技術與光(guang)伏發電(dian)相結合(he)(he)形成光(guang)儲(chu)一體化系(xi)統,可以(yi)帶來(lai)諸多優勢并(bing)解(jie)決實際問題。比如在負荷(he)低(di)谷時充電(dian)儲(chu)存(cun)電(dian)能,有備(bei)無(wu)患;電(dian)力負荷(he)高(gao)峰期(qi),釋(shi)放儲(chu)存(cun)的電(dian)能,可以(yi)減輕電(dian)網壓力,通過(guo)合(he)(he)理配置儲(chu)能系(xi)統容量(liang)和功率,可以(yi)降低(di)電(dian)網運行成本并(bing)提高(gao)整(zheng)體經濟效(xiao)益。
在實踐方面,居民屋頂(ding)光伏儲(chu)能系統(tong)(tong)、大型(xing)地面電站配(pei)套儲(chu)能設施以及(ji)微電網應用等案例都充分展(zhan)示(shi)了光儲(chu)一體化系統(tong)(tong)的優勢。
在(zai)(zai)居(ju)(ju)民屋頂安裝光伏(fu)(fu)板和儲(chu)能(neng)(neng)電(dian)(dian)池可以實現自(zi)給(gei)自(zi)足(zu)(zu)的(de)(de)電(dian)(dian)力(li)供(gong)應(ying)并降低(di)電(dian)(dian)費(fei)支出;在(zai)(zai)大型光伏(fu)(fu)電(dian)(dian)站(zhan)中配置儲(chu)能(neng)(neng)系統可以提高電(dian)(dian)站(zhan)的(de)(de)并網(wang)性能(neng)(neng)和運行穩定(ding)性;在(zai)(zai)偏遠(yuan)地(di)區或海島(dao)等無法接入大電(dian)(dian)網(wang)的(de)(de)地(di)區構建以光伏(fu)(fu)發電(dian)(dian)和儲(chu)能(neng)(neng)技術為核心的(de)(de)微電(dian)(dian)網(wang)系統可以實現自(zi)給(gei)自(zi)足(zu)(zu)的(de)(de)電(dian)(dian)力(li)供(gong)應(ying)并解決當地(di)居(ju)(ju)民的(de)(de)用(yong)電(dian)(dian)問題。
儲能(neng)(neng)技術與光伏發電的(de)結合為(wei)解決可再生能(neng)(neng)源的(de)間(jian)歇性和波動(dong)性問題提供了有效手段并在實際應用中(zhong)取(qu)得了顯著成效。隨著技術的(de)不斷進(jin)步和市場的(de)持續推動(dong)我們有理由相(xiang)信儲能(neng)(neng)技術將在未來能(neng)(neng)源領域發揮更加(jia)重要(yao)的(de)作用為(wei)構建(jian)清潔、低碳(tan)、安全、高(gao)效的(de)現代能(neng)(neng)源體系貢獻重要(yao)力量。