xlpe swa pvc cable/xlpe power cable/kinds of xlpe power cable
1.The long-time permissible working temperature of cable conductive core is not more than 70 °C.
2.During short circuit (max. permanent time is not more than 5 seconds), the max temperature of cable conductor is not more than 165°C.
3.The difference level of laying cable is not restricted.When laying the cable,ambient temperature is not lower than 0°C.
4.They have good chemical stability,and properties of acid resistance,alkali resistance,salt resistance,oil resistance,solvent resistance and flame resistance.rty
5.Light weight,good bending property and easy installation and maintenance.
With the characteristics of stable capability,advanced technology,broad material resources,low price, good flexible and easy to lay and maintain, the XLPE Insulated and Sheathed Power Cable are suitable to be laid for distribution line with A.C.50HZ and rated voltage up to 35kV.
IEC,BS,VDE,AS/NZS,ICEA,JIS and so on,designing and manufacturing special power cable according to the other standards required by the customer
Number of the core
single core and three core
XLPE insulation PVC or PE sheath power cable
Laying indoor tunnel, cable trench and pipe, can also be buried in loose soil, unable to bear external mechanical pressure , but can withstand a certain amount of traction laying
XLPE insulation non-magnetic metal tape armored PVC or PE sheath power cabe
Laying indoor, tunnel, cable trench and pipelines, can withstand the mechanical exogenous process, but unable to bear large tension
XLPE insulation steel tape armored PVC or PE sheath power cable
XLPE insulation non-magnetic metal wire armored PVC or PE sheath power cable
Laying in the shaft, water and under theconditions of the occasion with drop, cable can withstand mechanical exogenous process an considerable tension
XLPE insulation thin steel wire armored PVC or PE sheath power cable
XLPE insulation thick steel wire armored PVC or PE sheath power cable
Laying in the water, sea, larger fall and the places need across, the thick steel wire armored cable can withstand greater tension than the thin
3. The highest allowed operating temperature of conductor for long-term working is 90oC. In short-circuit (Max. Long-term is no more than 5 seconds). The highest temperature for conductor is no more than 250.
4. D.C Resistance of the conductor complies with the stipulations of GB/T3956-1997.
5. The environment temperature should be no lower than 0 when lay. Otherwise it should be preheated.
6.The cable is laid without horizontal drop limit. The Min. Bending radius of three-core cable should be no smaller than 12 times of cable outer diameter.
7. Working Frequency Voltage Test:.
For cable with Uo of 3.6kV or lower: 2.5Uo+2kV/5min without puncture. For cable with Uo of 3.6kv~18kV: 3.5Uo/5min without puncture. For cable with Uo of 21kV and 26 kV: 2.5Uo/30min without puncture.
8. Partial Discharge Test: The discharge volume should be no more than 10pC under 1.73Uo for the cable.
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