导、地线及玻璃绝缘子机械物理特性表

导、地线及玻璃绝缘子

机械物理特性表

1

目 录

目 录 ........................................................................ 1 导线截面选择 .................................................................. 4 LGJ-10/2钢芯铝绞线 ............................................................ 4 LGJ-16/3钢芯铝绞线 ............................................................ 5 LGJ-35/6钢芯铝绞线 ............................................................ 6 LGJ-50/8钢芯铝绞线 ............................................................ 7 LGJ-50/30钢芯铝绞线 ........................................................... 8 LGJ-70/10钢芯铝绞线 ........................................................... 9 LGJ-70/40钢芯铝绞线 .......................................................... 10 LGJ-95/15钢芯铝绞线 .......................................................... 11 LGJ-95/20钢芯铝绞线 .......................................................... 12 LGJ-95/55钢芯铝绞线 .......................................................... 13 LGJ-120/7钢芯铝绞线 .......................................................... 14 LGJ-120/20钢芯铝绞线 ......................................................... 15 LGJ-120/25钢芯铝绞线 ......................................................... 16 LGJ-120/70钢芯铝绞线 ......................................................... 17 LGJ-150/8钢芯铝绞线 .......................................................... 18 LGJ-150/20钢芯铝绞线 ......................................................... 19 LGJ-150/25钢芯铝绞线 ......................................................... 20 LGJ-150/35钢芯铝绞线 ......................................................... 21 LGJ-18/10钢芯铝绞线 .......................................................... 22 LGJ-185/25钢芯铝绞线 ......................................................... 23 LGJ-185/30钢芯铝绞线 ......................................................... 24 LGJ-185/45钢芯铝绞线 ......................................................... 25 LGJ-210/10钢芯铝绞线 ......................................................... 26 LGJ-210/25钢芯铝绞线 ......................................................... 27 LGJ-210/35钢芯铝绞线 ......................................................... 28 LGJ-210/50钢芯铝绞线 ......................................................... 29 LGJ-240/30钢芯铝绞线 ......................................................... 30 LGJ-240/40钢芯铝绞线 ......................................................... 31

2

LGJ-240/55钢芯铝绞线 ......................................................... 32 LGJ-300/15钢芯铝绞线 ......................................................... 33 LGJ-300/20钢芯铝绞线 ......................................................... 34 LGJ-300/25钢芯铝绞线 ......................................................... 35 LGJ-300/40钢芯铝绞线 ......................................................... 36 LGJ-300/50钢芯铝绞线 ......................................................... 37 LGJ-300/70钢芯铝绞线 ......................................................... 38 LGJ-400/20钢芯铝绞线 ......................................................... 39 LGJ-400/25钢芯铝绞线 ......................................................... 40 LGJ-400/35钢芯铝绞线 ......................................................... 41 LGJ-400/65钢芯铝绞线 ......................................................... 42 LGJ-400/95钢芯铝绞线 ......................................................... 43 LGJ-500/45钢芯铝绞线 ......................................................... 44 LGJ-630/55钢芯铝绞线 ......................................................... 45 LGJ-800/55钢芯铝绞线 ......................................................... 46 LGJ-800/70钢芯铝绞线 ......................................................... 47 地线截面选择 ................................................................. 48 GJ-35钢绞线 .................................................................. 48 GJ-50钢绞线 .................................................................. 49 GJ-70钢绞线 .................................................................. 50 GJ-80钢绞线 .................................................................. 51 GJ-100钢绞线 ................................................................. 52 GJ-135钢绞线 ................................................................. 53 绝缘子型式选择 ............................................................... 53 LXY1-70型玻璃绝缘子 .......................................................... 53 U70BL-70型玻璃绝缘子 ......................................................... 54 XP-6(6C)型玻璃绝缘子 .......................................................... 54 XP-7(7C)型玻璃绝缘子 .......................................................... 55 XWP-7(C)型玻璃绝缘子 .......................................................... 55 XWP-10型玻璃绝缘子 ........................................................... 56

3

导线截面选择 LGJ-10/2钢芯铝绞线

LGJ-10/2钢芯铝绞线机械物理特性见下表：

导线机械物理特性表

导 线 型 号 根数×股径 (mm) 铝股 钢芯 铝股 截 面 积 (mm2) 钢芯 综合 外 径 (mm) 单 重(kg/km) 拉断力（N） 瞬时破坏应力 (Mpa) 综合弹性系数 (N/mm2) 综合温度线膨胀系数(1/℃) 20℃时直流电阻(Ω/km) 安 全 系 数 最大设计应力(Mpa) 平均运行应力(Mpa) 制造长度不小于(m) LGJ-10/2 6×1.5 1×1.5 10.6 1.77 12.37 4.5 42.9 4120 79000 19×10-6 2.7062 3000

4