12/20(24)kV冷缩电缆

12/20(24)kV冷缩电缆

10/20kV三芯冷缩户内终端安装图
Installation Guide for 10/20kV Three-core Cold Shrink Indoor Termination
10/20kV三芯冷缩户内终端配套图
Contents of 10/20kV Three-core Cold Shrink Indoor Termination
10/20kV单芯冷缩户内终端安装图
Installation Guide for 10/20kV Single-core Cold Shrink Indoor Termination
10/20kV单芯冷缩户内终端配套图
Contents of 10/20kV Single-core Cold Shrink Indoor Termination
10/20kV三芯冷缩户外终端安装图
Installation Guide for 10/20kV Three-core Cold Shrink Outdoor Termination
10/20kV三芯冷缩户外终端配套图
Contents of 10/20kV Three-core Cold Shrink Outdoor Termination
10/20kV单芯冷缩户外终端安装图
Installation Guide for 10/20kV Single-core Cold Shrink Outdoor Termination
10/20kV单芯冷缩户外终端配套图
Contents of 10/20kV Single-core Cold Shrink Outdoor Termination
10/20kV三芯冷缩中间接头配套图
Contents of 10/20kV Three-core Cold Shrink Joints
10/20kV单芯冷缩中间接头配套图
Contents Of 10/20kV Single-core Cold Shrink Joints


型 号
Types
名 称
Names
适用电缆电压等级
Voltage Grade
适用导体截面积(mm2)
Nominal Cross-section
of Conductor (mm2
电缆线芯绝缘直径范围(mm)
Insulation Dia Range (mm)
XLN-20/3.1
XLN-20/3.2
XLN-20/3.3
12/20kV三芯冷缩户内终端12/20kV Three-core Cold Shrink Indoor Termination 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8
XLW-20/3.1
XLW-20/3.2
XLW-20/3.3
12/20kV三芯冷缩户外终端12/20kV Three-core Cold Shrink Outdoor Termination 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8
XLJ-20/3.1
XLJ-20/3.2
XLJ-20/3.3
12/20kV三芯冷缩中间接头12/20kV Three-core Cold Shrink Joints 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8
XLN-20/1.1
XLN-20/1.2
XLN-20/1.3
12/20kV单芯冷缩户内终端12/20kV Single-core Cold Shrink Indoor Termination 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8
XLW-20/1.1
XLW-20/1.2
XLW-20/1.3
12/20kV单芯冷缩户外终端12/20kV Single-core Cold Shrink Outdoor Termination 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8
XLJ-20/1.1
XLJ-20/1.2
XLJ-20/1.3
12/20kV单芯冷缩中间接头8.7/15kV Single-core Cold Shrink Joints 12/20(24)kV 35-70mm2
95-185mm2
240-400mm2
19.0-23.8
23.0-30.6
30.0-38.8


12/20(24)kV冷缩电缆附件主要试验项目
The main testing items for 12/20(24)kV cold shrink cable accessories
序号
No.
试 验 项 目
Testing Items
试验条件及标准
Testing Conditions and Standards
试 验 结 果
Results
备注
Remarks
1 工频耐压
AC withstand voltage test
54kV5min 不闪络、不击穿
Neither breakdown nor flashover shall occur at 54kV for 5min
通过 Pass
2 局部放电
Partial discharge test
在20kV下,放电量≤10pc
The magnitude of the discharge at 20kV shall not exceed 10pc
通过 Pass
3 冲击电压试验
Impulses voltage test
125kV,±10次 不闪络、不击穿
Neither breakdown nor flashover shall occur at 10 positive and 10 negative impulses of 125 kV
不击穿、不闪络
No breakdown no flashover
4 恒压负荷循环(在空气中)Heating cycle (in air) 导体施加电压35kV,并加热至(95-100)°C。其中温度稳定2h,冷却3h,共3次循环。Temperature stability 2h, cooling 3h,3 cycles in air at the conductor temperature of 95°C to 100 °C and 35kV 不击穿及由以下试验评定试验结果
No breakdown. Evaluation by the following test results
5 局部放电(正常运行时导体最高温加5-10°C)
Partial discharge(at the normal operation the conductor’s high temperature add 5-10 °C)
在20kV下,放电量≤10pc
The magnitude of the discharge at 20kV shall not exceed 10pc
通过 Pass
6 恒压负荷循环试验
Heating cycle voltage test
导体施加电压35kV,并加热至(95-100)°C。其中温度稳定2h,冷却3h,共60次循环。(30次在空气中,30次在水中)
Temperature stability 2h, cooling 3h ,60 cycles at the conductor temperature of 95°c to 100 °c and 35kV(30 times in air and 30 times in water)
不击穿及由以下试验评定试验结果
No breakdown. Evaluation by the following test results
7 局部放电(正常运行时导体最高温加5-10°C和环境温度下)Partial discharge(at the normal operation the conductor’s high temperature add 5-10 °C and environment and temperature) 在20kV下,放电量≤10pc
The magnitude of the discharge at 20kV shall not exceed 10pc
通过 Pass
8 热稳定试验
Thermal short-circuit test
在23kA下,短路2次,无可见损伤
No visible deterioration at 23kA,2 short circuit
通过 Pass
9 动稳定试验
Dynamic short-circuit test
在81kA下,短路1次,无可见损伤
No visible deterioration at 81kA,1 short
通过 Pass
10 冲击电压试验
Impulses voltage withstand
125kV,±10次
At 10 positive and 10 negative impulses of 125 kV
不击穿、不闪络
No breakdown no flashover
11 交流耐压
AC withstand voltage test
30kV,15min. 不击穿、不闪络
No breakdown no flashover
12 潮湿试验
Humidity tests
15kV,300h 不发生击穿、闪络和过电流释放
No breakdown no flashover no over-current release
户内终端
Indoor Termination
13 盐雾试验 15kV,1000h 不发生击穿、闪络和过电流释放
No breakdown no flasho
户外终端
Outdoor Termination

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