结构特点及应用铝包钢管光单元增大了铝截面，更优的短路电流和雷击电气特性***的耐电化学腐蚀性能填补缆径为11.4-13.5mm空白结构设计适用于要求小直径、较大短路电流的线路极端腐蚀环境，如沿海、化工区域型号规格结构组成(根数×直径/导电率)计算截面积(mm2)直径单位长度质量额定拉断力直流电阻短路电流容量计算弹性模量线膨胀系数拉重比中心铝包钢光单位外层AAAS总计mmKg/kmKNΩ/kmKA2SGpa×10-8/℃kmOPGW-L-30B1-69[70.2;28.0]1×3.2/5.0(30B1)8×3.0/20AS11.5956.556811.0043970.20.93528.014413.716.3OPGW-L-30B1-73[75.1;33.0]1×3.2/5.2(30B1)8×3.1/20AS13.1960.387411.4046975.10.85433.014313.716.3OPGW-L-30B1-81[83.1;37.5]1×3.2/4.8(30B1)7×3.6/20AS10.0571.258112.0053383.10.84337.514913.515.9OPGW-L-30B1-97[96.3;54.1]1×3.2/5.2(30B1)7×3.9/20AS13.1983.629713.0062496.30.69454.114813.515.7OPGW-L-48B1-71[74.7;30.2]1×3.6/5.2(48B1)8×3.1/20AS11.0660.387111.4046374.70.91330.214613.616.4OPGW-L-48B1-85[85.6;43.5]1×3.6/5.6(48B1)8×3.35/20AS14.4570.518512.3054085.60.75043.514413.716.2OPGW-L-48B1-95[96.0;50.4]1×3.6/5.2(48B1)7×3.9/20AS11.0683.629513.0061996.00.73250.415013.415.8OPGW-L-60B1-80[79.4;39.2]1×4.0/6.0(60B1)9×3.0/20AS15.7163.627912.0049879.40.77139.214113.816.3OPGW-L-60B1-83[85.2;39.8]1×4.0/5.6(60B1)8×3.35/20AS12.0670.518312.3053485.20.80139.814713.616.3)