Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission
2011
The utility model relates to a cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission, comprising, from inner layer to outer layer, a water-proof conductor, a conductor shielding layer, an insulating layer, an insulating shielding layer, a semiconductive water-proof buffer layer, a metal shielding layer, a plastic reinforced protective layer, a metal wire backflow layer, a binding layer, a metal armored layer and an outer cladding layer. The cross-linked polyethylene insulating single core submarine power cable is reliable in water-proof performance, and excellent in mechanical performance, and the armored metal wire is excellent in corrosion resistance and small in electromagnetic loss, and is sufficient in transient short circuit current capacity. The cross-linked polyethylene insulating single core submarine power cable is used for replacing the prior single core AC submarine power cable with a copper wire sparsely-wound return line and an alloy lead shielding sheath, thereby increasing the water-proof performance of the submarine power cable, and the cross-linked polyethylene insulating single core submarine power cable is especially used for replacing the common low carbon steel wire armoured single core submarine power cable used for ultra-high voltage AC power transmission, which is large in electromagnetic loss, thereby having a remarkable energy saving effect.
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