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Can xlpe cables be submerge in water?

Release time:2017-01-16 14:59 hit:


Can xlpe cables be submerge in water

Underwater cable laying is a kind of cable installation method. The power cables laid in rivers, lakes and sea areas, are called as underwater cables.
 
At present, the domestic and international underwater power cables are impregnated paper insulated cables, self-contained oil filled cables, XLPE insulated cables.
 
In general, XLPE cables are not allowed to be placed in water. But in order to meet certain requirements, designs special cables that can be laid under water, shaft and other places, for example: XLPE insulated thick steel wire armoured PVC sheathed power cable, XLPE insulated copper wire shielding thick steel wire armoured PVC sheathed power cable.
 
YJV42 high voltage XLPE cable is mainly used for the 35kV design and manufacture high voltage XLPE power cable, high voltage XLPE power cable voltage level is 3.6/6KV; 6/6KV; 6/10KV; 8.7/10KV; 8.7/15KV; 12/20KV; 18/30KV; 26/35KV, be used to the main road of power transmission. The product is suitable for AC rated voltage 35KV and below transmission and distribution lines with fixed laying, cable conductor highest long-term temperature is 90 degrees, short circuit (the long time is not more than 5S), the highest temperature of the cable conductor does not exceed 250 degrees.
 
XLPE insulation cables are suitable for 220KV and below AC voltage level, as these kind of cables are easy to produce water-tree discharging, so these cable voltage exceed 35KV, using XLPE insulated underwater cables should add impervious lead sheath.


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