钢芯铝绞线LGJX-50035的具体参数讲义图示

洛阳市洛阳市电业局导线线路名称Ⅰ回线Ⅲ回地)变—陡沟变牡丹变—黄河变)左寨变—龙门变—朝阳变—朝阳变首电厂—常庄变左寨变—王寨变(km)(m)77777777767667766777777(A)导线直流电阻 800000000号投运能铝绞线、稀土铝绞线(GB1179-83)LJ、LJX型于连续载流量2.154.16707/4.166380061/4.1036.900.035881159002225.0800340钢芯铝绞线(GB1179-83)、稀土钢芯铝绞(QJ/ZL02,29-95)LGJ，LGJF，LGJX型钢227/2.107/2.1007/2.1020铝50852.322.72.208026/2.157/4.162.322/2.78/2.7024/3.15.9803.33.228603.002.932.85932/3.515/3.33/3.22220/4.165/3.753.60/4.2002548/4.120601204.802204.63223800/10054/4.4319/2.6038.980.036352411002991000240能要求20℃时电阻率(不20℃时电阻率(不小于)卷绕试验身直径)mmmmmm。和膨胀系数最最终弹性系数(实际值)m(1/0C)7mm2、弹性系数适用于受力在15％~50％计算拉断力的铝绞线。钢芯铝绞线的弹性系数和线膨胀系数(包括：不同结构的铝钢截面比)最最终弹性系数(实际值)线膨胀系数(计算值)(1/0C)(N/mm)钢1铝677718.5×10715.3×10121.2×10719.6×10718.9×10717.8×1018.0×10721.4×10720.9×10720.5×10719.3×1047.9067000680019.4×102、弹性系数适用于受力在15％~50％计算拉断力的钢芯铝绞线。结构根数/直径计算截面直流电阻不大于计算拉断力计算重量外径(mm)(mm)(mm)(Ω/km)(N) (kg/km)2.154.1637/3.20297.5722.400.0968946850820.470007/4.16006380061/4.10805.3636.900.035881159002225800直流电阻不大于直流电阻不大于(Ω/km)计算拉断力(N)结构，根数/直径(mm)钢2.102.102.10计算截面(mm)钢铝50532.7220026/2.154.16.38.78.70024/3.158铝(mm)020002000.3320002220002000602000200020003.0020002.9320002.852000920003200020002/3.515005/3.33500/3.225005005000/4.165005/3.755003.60500500/4.2020048/4.122002004.800004.63000800/10054/4.3319/2.60795.17100.88896.0538.980.036352411002991000(1)成品绞线表面应光洁，不得有过量的润滑油脂和良好的工业产品不相称的缺陷。(2)铝绞线及钢芯铝绞线的交货长度分别符合规格重量及交货长度表中规定值。任何一根绞线交货长度的允许偏差为±5％，