Aerial insulated cables
Introduction
The products are manufactured by extruding a conductor screen layer, an insulated layer of rough-weather-adaptive XLPE or rough-weather-adaptive black HD-PE or PVC, and an insulation screen layer over the compacted copper/aluminium conductor(no conductor screen layer and insulation screen layer for cables of rated voltage 1kV),with the advantage of simple construction, and excellent mechanical,physical and electrical property as well as fine performance of anti-creeping- discharge, rough-weather-adaptive and creepage-proof. Compared with bare conductor, the product can be laid more closely to save the line gallery, and have less voltage-drop. Above all, the products installed reduce power accidents to insure lives safety.
Standard
The products shall comply with the standards GB12527-90 and GB14049-93.
Applications
The products fit for transmitting line and distributing line of rated voltage 1kV, 10kV and 35kV in tall buildings, traveling development area and wooded tract.
Operating characteristics
1.The rated voltage of cable has three classes: a.0.6/1kV b. 10kV c.. 35kV。
2. Continuous permissible operating temperature:
PVC Insulation:70℃
PE Insulation: 70℃
HDPE Insulation: 75℃
XLPE Insulation: 90℃
3. Max.Temperature of cable under short-circuit(5sec.Max.Duration)
PVC Insulation: 160℃;
PE Insulation: 130℃
HDPE Insulation: 150℃;
XLPE Insulation: 250℃;
4. Laying temperature of cable not less than -20℃
5. Operating ambient temperature of cables:-40~40℃,Relative humidity in rainy season not less than 90%
6. Permissible bending radius of cable:
cable for rated voltage up to and including 0.6/1kV:
bending radius not less than 4Dfor cable diameter<25mm
bending radius not less than 6Dfor cable diameter≥25mm
cable for rated voltage 10 kV and 35 kV;
single-core cable:20(D+d)±5%;
multi-core cable:15(D+d)±5%;
Note:D-Over all Diameter of cable
d-Over all Diameter of conductor
Rated voltage kV | Number of conductor | Nominal section mm2 |
10、35 | 1,3 | 10-300 |
0.6/1 | 1,2,3,4 | 10-240 |
Rated voltage 0.6/1 | |
Type | JKV JKLV JKY JKLY JKYJ JKLYJ |
Name |
Copper conductor, PVC insulated, aerial cable for rated voltage 0.6/1kV Aluminum conductor, PVC insulated, aerial cable for rated voltage 0.6/1kV Copper conductor, PE insulated, aerial cable for rated voltage 0.6/1kV Aluminum conductor, PE insulated, aerial cable for rated voltage 0.6/1kV Copper conductor, XLPE insulated, aerial cable for rated voltage 0.6/1kV Aluminum conductor, XLPE insulated, aerial cable for rated voltage 0.6/1kV |
Main usage The cable fit for overhead fixed-installation, service line and so on. |
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