LT Cross Linked Polyethylene (XLPE) Power Cables
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Product Description
LT Cross Linked Polyethylene (XLPE) Power Cables
V-MARC has developed a special grade XLPE compound to be used as the insulating material suitable for LT (upto 1100 volts) applications. This is a thermoset type of polymer enriched with cross linking agent. This is extruded over the conductor using modern extruders and is thoroughly cross linked under controlled conditions. This XPLE insulation overcomes the drawbacks of PVC, extensively used as an insulating material, without losing any of PVC's desirable properties.
Following are the advantages of XLPE Insulated Cables over that of PVC Insulated cables.
Comparison of Properties
V-MARC has developed a special grade XLPE compound to be used as the insulating material suitable for LT (upto 1100 volts) applications. This is a thermoset type of polymer enriched with cross linking agent. This is extruded over the conductor using modern extruders and is thoroughly cross linked under controlled conditions. This XPLE insulation overcomes the drawbacks of PVC, extensively used as an insulating material, without losing any of PVC's desirable properties.
Following are the advantages of XLPE Insulated Cables over that of PVC Insulated cables.
Comparison of Properties
| XLPE | PVC | ||
| Dielectric Constant | 2.35 | 6 to 8 | |
| Dielectric Strength | KV/mm | 22 | 14 |
| Volume Resistivity at 27°C | Ohm-cm | 1014 | 1013 |
| Thermal Resistivity | °C cm/w | 350 | 600 |
| Power Factor at maximum conductor temperature | 0.008 | 0.1 | |
| Normal conductor operating temperature | °C | 90 | 70 |
| Emergency overload temperature | °C | 130 | 120 |
| Maximum short circuit temperature | °C | 250 | 160 |
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