產品說明 |
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<font color="#136ec2"><strong>鋼芯鋁絞線</strong></font>: 是由鋁線和鋼線絞合而成的,適用于架空輸電線路用。它內部是鋼“芯”,外部是用鋁線通過絞合方式纏繞在鋼芯周圍;鋼芯主要起增加強度的作用,<font color="#136ec2"><strong>鋁絞線</strong></font>主要起傳送電能的作用;是單層或多層鋁股線絞合在鍍鋅鋼芯線外的加強型導線。主要應用于電力和輸電線路行業。</p>
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相關型號</p>
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鋼芯鋁絞線的型號分為:JL/G1A JL/G1B JL/G2A JL/G2B JL/G3A</p>
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其中:G1A或G1B指的是普通強度鋼線。</p>
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G2A或G2B 指的是高強度鋼線。</p>
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G3A指的是特高強度鋼線。</p>
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型號差異:以JL/G1A-240/30型鋼芯鋁絞線為例。</p>
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在國標(GB/T1179-2008)中以目前的JL/G1A-240/30表示;</p>
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在國標(GB/T1179-1983)中以LGJ-240/30表示。</p>
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主要應用:</p>
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對高電壓的輸電線路,由于線路的路徑有限,又不可能在一個路徑上架多條線路,人們想出了采用一個路徑,一套鐵塔,掛多條導線,即一條線路相當于架了多條線路的方法;對500KV的輸電線路,我國大多采用掛四條導線的方式,這種架線的方式稱為同塔并架。</p>
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相關優點:</p>
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鋼芯鋁絞線具有結構簡單、架設與維護方便、線路造價低、傳輸容量大、又利于跨越江河和山谷等特殊地理條件的敷設、具有良好的導電性能和足夠的機械強度、抗拉強度大、塔桿距離可放大等特點。因此廣泛應用于各種電壓等級的架空輸配電線路中。</p> |