产品说明 |
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<font color="#136ec2"><strong>钢芯铝绞线</strong></font>: 是由铝线和钢线绞合而成的,适用于架空输电线路用。它内部是钢“芯”,外部是用铝线通过绞合方式缠绕在钢芯周围;钢芯主要起增加强度的作用,<font color="#136ec2"><strong>铝绞线</strong></font>主要起传送电能的作用;是单层或多层铝股线绞合在镀锌钢芯线外的加强型导线。主要应用于电力和输电线路行业。</p>
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相关型号</p>
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钢芯铝绞线的型号分为:JL/G1A JL/G1B JL/G2A JL/G2B JL/G3A</p>
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其中:G1A或G1B指的是普通强度钢线。</p>
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G2A或G2B 指的是高强度钢线。</p>
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G3A指的是特高强度钢线。</p>
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型号差异:以JL/G1A-240/30型钢芯铝绞线为例。</p>
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在国标(GB/T1179-2008)中以目前的JL/G1A-240/30表示;</p>
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在国标(GB/T1179-1983)中以LGJ-240/30表示。</p>
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主要应用:</p>
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对高电压的输电线路,由于线路的路径有限,又不可能在一个路径上架多条线路,人们想出了采用一个路径,一套铁塔,挂多条导线,即一条线路相当于架了多条线路的方法;对500KV的输电线路,我国大多采用挂四条导线的方式,这种架线的方式称为同塔并架。</p>
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相关优点:</p>
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钢芯铝绞线具有结构简单、架设与维护方便、线路造价低、传输容量大、又利于跨越江河和山谷等特殊地理条件的敷设、具有良好的导电性能和足够的机械强度、抗拉强度大、塔杆距离可放大等特点。因此广泛应用于各种电压等级的架空输配电线路中。</p> |