GB/T 12706.3—2020 代替 GB/T 127O6.3—2OO8
额定电压 1 kV(Um = 1.2 kV)到 35 kV (Um = 40.5 kV)挤包绝缘电力电缆及附件 第3部分:额定电压35 kV(Um =40.5 kV)电缆
Power cables with extruded insulation and their accessories fbr rated voltages from 1 kV (□„. = 1.2 kV) up to 35 kV (Um = 40.5 kV)— Part 3： Cables for rated voltages of 35 kV(l/m = 40.5 kV)
2020-03-31 发布
2020-10-01 实施
目 次
前言...................................1
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...............................3
5导体....................................5
6绝缘....................................5
7屏蔽....................................6
8三芯电缆的缆芯、内衬层和填充............................6
9单芯或三芯电缆的金属层 ..............................7
10金属屏蔽.....................................7
11同心导体.....................................8
12金属套船套....................................8
13金属铠装.....................................9
14外护套.....................................11
15试验条件....................................11
16例行试验 ...................................12
17抽样试验 ...................................13
18电气型式试验 .................................18
19非电气型式试验 ................................20
20安装后电气试验.................................30
21电缆产品的补充条款 ..............................31
附录A （规范性附录）确定护层尺寸的假设计算方法..................32
附录B （规范性附录）数值修约...........................36
附录C （规范性附录）HEPR绝缘硬度测定.....................38
附录D （规范性附录）半导电屏蔽电阻率的测量方法..................40
附录E （规范性附录）透水试验...........................42
附录F （规范性附录）具有纵包金属精夏合护层电缆组件的试验.............44
附录G （规范性附录）电缆产品的补充条款......................46
参考文献......................................50
图C.1大曲率面的测量...............................38
图C.2小曲率面的测量........................... 39