GB/T 31840.2—2015
额定电压1 kV(Um = 1.2 kV)到35 kV(Um = 40.5 kV)铝合金芯挤包绝缘电力电缆
第2部分:额定电压6 kV(Um = 7.2 kV)到 30 kV(Um = 36 kV)电缆
Aluminiun alloys power cables with extruded insulation for rated
voltages from 1 kV(U„ = 1.2 kV)up to 35 kV(UB = 40.5 kV)—
Part 2: Cables for rated voltages from 6 kV(l7m=7.2 kV) up to
30 kV(U. = 36 kV)
2015-07-03 发布
2016-02-01 实施
目录
前言..........................................I
1范围........................................1
2规范性引用文件...................................1
3术语和定义.....................................2
4电压标示和材料...................................2
5寻体........................................4
6绝缘........................................5
7屏蔽........................................6
8三芯电缆的缆芯、内衬层和填充............................7
9单芯或三芯电缆的金属层 ..............................8
10金属屏蔽.....................................8
11同心导体.....................................9
12金属铠装.....................................9
13外护套.......................................n
14试验条件 .....................................12
15例行试验......................................12
16抽样试毁......................................14
17电气型式试验 ...................................17
18非电，型式试验 ..................................21
19安装后电气试验 ..................................26
20电缆产品的补充条款 ................................27
附录A （规范性附录）铝合金导体成分..........................33
附录B （规范性附录）金属屏蔽用铝合金带技术要求....................34
附录C （规范性附录）联锁铠装用铝合金带技术要求....................36
附录D （规范性附录）确定护展尺寸的假设计算方法....................37
附录E （规范性附录）数值修约.............................41
附录F （规范性附录）联锁铠装特殊性能试验.......................42
附录G （规范性附录）电缆产品的补充条款........................44