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來源:常見問題(ti) 閱(yue)讀(du):130178 發布時間:2022-01-22
在介紹光(guang)伏電纜(lan)之前,我們(men)先來看看什(shen)么是光(guang)伏系統(tong)(PV system)。
太(tai)(tai)陽(yang)能(neng)(neng)電(dian)(dian)(dian)纜,也稱為光(guang)(guang)(guang)伏電(dian)(dian)(dian)纜或光(guang)(guang)(guang)伏線(xian)(xian),是 用于互連 光(guang)(guang)(guang)伏系統的太(tai)(tai)陽(yang)能(neng)(neng)電(dian)(dian)(dian)池板(ban)的單(dan)芯線(xian)(xian)。光(guang)(guang)(guang)伏系統或太(tai)(tai)陽(yang)能(neng)(neng)電(dian)(dian)(dian)池板(ban)捕獲陽(yang)光(guang)(guang)(guang),以便通過能(neng)(neng)量(liang)轉換(huan)過程發電(dian)(dian)(dian)。電(dian)(dian)(dian)力(li)在面(mian)板(ban)上產生,需(xu)要布線(xian)(xian)將電(dian)(dian)(dian)能(neng)(neng)傳送回(hui)收集點或設備。太(tai)(tai)陽(yang)能(neng)(neng)線(xian)(xian)是為光(guang)(guang)(guang)伏應用創建的一種特定類型的電(dian)(dian)(dian)線(xian)(xian)。
光(guang)伏線(xian)最初(chu)設計為(wei)(wei)單導體,其結構(gou)類似于(yu) UF 型(地下(xia)(xia)饋線(xian))或 USE-2 型(額定用(yong)于(yu) 90°C 潮濕應(ying)用(yong)的地下(xia)(xia)服務入(ru)口線(xian))。然而,由于(yu)一些太陽能應(ying)用(yong)規模龐大(da),它(ta)們產生(sheng)的電量被(bei)認為(wei)(wei)是公(gong)用(yong)事業規模。如(ru)此大(da)的功率需要一根大(da)導體,通常稱為(wei)(wei)集電極(ji)電纜,通過增(zeng)加現(xian)在 UL 主題 4703 修訂版(ban)下(xia)(xia)的 UL 列名光(guang)伏線(xian)的尺(chi)寸來解決(jue)這個問題。
UL 主題(ti) 4703 中(zhong)允許的(de)新電(dian)壓額定值現在(zai)可(ke)以(yi)適應(ying)大于 1,000 伏的(de)電(dian)壓。通(tong)過將(jiang)直流發(fa)電(dian)板(ban)串聯在(zai)一(yi)起(qi),可(ke)以(yi)將(jiang)整個陣(zhen)列中(zhong)的(de)電(dian)壓提高到相當高的(de)水平,這是較高電(dian)壓的(de)原因。
上一條(tiao)長嶺什么是光伏 (PV) 線纜?
下一(yi)條長嶺沈陽凱鵬電纜廠:電線電纜儲運注意事項有哪些?