Welcome to the Huangshi Zhizheng Rubber and Plastic New Material Co., Ltd. official website!
Add: Zhongshan Road, Huangjinshan Economic Development Zone, Huangshi, Hubei, China
Service hotline: +86-714-6367867
E-mail: hszzjohnlee@aliyun.com?
Website: http://www.wzifeng.com.cn
Detail
Detail
Scope of application
JLS-15 series is suitable for middle connection of 6/10kV, 8.7/15kV crosslinked cable.
Product features
Developed by liquid silicone rubber;
Excellent tear resistance, tracking resistance, corrosion resistance and electrical property;
Integrated of stress control and insulation;
Matched with constantforce spring;
No request of welding;
Simple and convenient for installation;
High safety and reliability;
Main performance
| No. |
Test item |
Standard request |
Test results |
Evaluation |
|
1 |
1min power-frequency voltage test |
45kV, 1min, no arc-over, no breakdown |
45kV, 1min, no arc-over, no breakdown |
up to standard |
|
2 |
partial discharge test |
13kV below, discharge capacity is no higher than 20pC |
13kV below 2pC, 1.8pC, 1.6pC |
up to standard |
|
3 |
load cycling test |
heating to 90°C～95°C, each cycle 8h, 5h for heating and 3h for cooling, ternary cycle for 3 times |
Standard request 3 times of load cycling test |
assessment of test |
|
4 |
partial discharge test(after load cycling test) |
13kV below, discharge capacity is no higher than 20pC |
13kV below 2.2pC, 2.0pC, 1.8pC |
up to standard |
|
5 |
impulse voltage test |
105kV, positive and negative polarity each 10 times no arc-over, no breakdown |
105kV positive and negative polarity for 10 times, no arc-over, no breakdown |
up to standard |
|
6 |
negative polarity 15min dc voltage test |
-52kV, 15minno arc-over, no breakdown |
-52kV, 15min, no arc-over, no breakdown |
up to standard |
|
7 |
4h power-frequency voltage test |
35kV, 4h, no arc-over, no breakdown |
35kV, 4h, no arc-over, no breakdown |
up to standard |
|
8 |
appearance inspection |
no crack, no deformation |
no crack, no deformation |
up to standard |
|
Note: Above test data is provided by Electric power industry electrical equipment quality inspection and test center. |
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JLS-15 series specifications
| Item |
Model/Specification |
Cable specification(mm2) |
|
15kVsilicone rubber cold shrinkage |
JLS-15/1.1 |
25-50 |
|
JLS-15/1.2 |
70-120 |
|
|
JLS-15/1.3 |
150-240 |
|
|
JLS-15/1.4 |
300-400 |
|
|
15kVsilicone rubber cold shrinkage |
JLS-15/3.1 |
25-50 |
|
JLS-15/3.2 |
70-120 |
|
|
JLS-15/3.3 |
150-240 |
|
|
JLS-15/3.4 |
300-400 |
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