cross linked polyethylene insulated overhead cable

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Product Description:

10kv cross-linked polyethylene insulated overhead cable
I. Product Properties:

1. The products shall comply with GB14049-93 national standards.
2. The cable's insulation resistance is not less than 1500MΩ.km (20 ℃).
3. After the cable is soaked in water for one hour, it can withstand 18kv high voltage tests and can not be breakdown for one minute.
II. Use characteristics:
1. This product is applied to overhead electric power with AC rated voltage U (Um) of 10 (12) kv.
2. The maximum long-term working temperature of cable conductor is 90 ℃.
3. The laying temperature should not be less than -20 ℃.
4. When short circuit (the longest duration should be less than 5 seconds) occurs, the maximum temperature of the conductor should not exceed 250 ℃.

Type and Specification:
Type
Number of cores
Cross-section
Description
Main use
JKYJ
1
25-240
Copper core cross-linked PE insulated overhead cables
When overhead fixed lying is carried out, flexible copper core products are used as transformers' down lead. When cables are set up, it should be considered that cables and trees shall be maintained in a certain distance, and when the cable is in operation, cables are allowed to contact trees frequently.
3
25-120
1
25-240
Flexible copper core cross-linked PE insulated overhead cables
JKTRYJ
3
25-120

Structure, size, and technical performance
Specification
Outer diameter of pressed conductor
Internal shielded thickness
Insulation thickness
Outer diameter of the cable
Cable Weight
Conductor pull-off force
Maximum resistance of the conductor
Water immersion AC voltage test
mm
mm
mm
mm14.2
kg/km
N
20℃Ω/km
KV
1×25
6.2
0.6
3.4
14.2
344
8465
0.749
18
1×35
7.2
0.6
3.4
15.2
445
11731
0.540
18
1×50
8.5
0.6
3.4
16.5
594
16502
0.399
18
1×70
10.2
0.6
3.4
18.2
792
23461
0.276
18
1×95
11.8
0.7
3.4
20.0
1034
31759
0.199
18
1×120
13.2
0.7
3.4
21.0
1280
39911
0.158
18
1×150
14.8
0.7
3.4
23.0
1566
49505
0.128
18
1×185
16.4
0.7
3.4
24.6
1897
61846
0.1021
18
1×240
18.6
0.7
3.4
26.8

2413

79823
0.0777
18


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