High Voltage Copper Power Cable
XLPE Insulated High Voltage 220KV Power Cable
XLPE Insulated High Voltage 220KV Power Cable belongs to the serious of high voltage power cable with voltage up to 220KV. The cables are produce according to standard IEC60840 and other specific requirements of customer.
35-220KV Power Cable structure:
Conductor material : Cu or Al
Metallic screen: Copper Wire/Copper Tape
Metal sheath: Lead sheath/ Corrugated Aluminium Tape
Outer sheath: PVC or PE
1.Long time operating temperature for cable conductor is 90 degrees.
2.The highest temperature of the conductor in short circuit (no longer than 5 seconds) in not more than 250 degrees, if a joint is in the cable, the temperature of the tinning welding joint is not more than 120 degrees, compressing joint not more than 150 degrees and electro-welding joint not more than 250 degrees.
3.No drop in limited provided there is full mechanical tention when cable is laid. It si forbidden to lay cable in iron-pipe or to fix cable by circling around the cable with iron materials.
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