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Power cable for elastic cold-resistant wind power generation

A power cable and elastic technology, which is applied in the field of elastic and cold-resistant wind power cables, can solve the problems affecting the normal use of equipment, the sheath is easy to crack, and is easy to break, and achieves excellent heat insulation effect, good resistance to rainwater washing, and easy to use. The effect of welding

Inactive Publication Date: 2018-03-16
JIANGSU ZHUYING SPECIAL CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the existing low-temperature wind energy power cables are: when the temperature is lower than -55°C, the insulation and the sheath are easy to crack and cause a short circuit, which affects the normal use of the equipment; in addition, it is easy to break when encountering a dozen strong winds

Method used

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  • Power cable for elastic cold-resistant wind power generation
  • Power cable for elastic cold-resistant wind power generation
  • Power cable for elastic cold-resistant wind power generation

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] Such as figure 1 As shown, an elastic cold-resistant wind power generation power cable according to the present invention includes a cable core, and the cable core is formed by twisting several reinforced elastic cold-resistant insulated wire cores, and the reinforced elastic cold-resistant insulated wire core is made of reinforced Steel core 1, aluminum alloy conductor twisted outside the reinforced steel core 2, insulating layer extruded outside the aluminum alloy conductor 3, elastic buffer layer wrapped outside the insulating layer 4, and polyurethane extruded outside the elastic buffer layer Insulation cotton 6 is arranged in the space inside the cable core, and a mineral insulating layer 7 is extruded outside the cable core. Wrap the inner sheath 9, braid the non-magnetic steel wire outside the inner sheath and add the armor layer 10 of the metal structure of the non-magnetic steel strip, the aluminum foil layer 11 is arranged outside the armor layer, and the elas...

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Abstract

The invention discloses a power cable for elastic cold-resistant wind power generation. The power cable comprises a cable core, wherein the cable core is formed by twisting a plurality of reinforcingelastic cold-resistant insulation wire cores, heat insulation cotton is arranged at gap positions of the cable core, the cable core is extruded with a mineral insulation layer, a flame-resistant glassfiber belt is arranged outside the mineral insulation layer and is externally extruded with an inner sheath, the inner sheath is externally braided with an armor layer with a non-magnetic steel wireand magnetic steel strip metal structure, an aluminum foil layer is arranged outside the armor layer and is wounded with an elastic buffer layer, and the elastic buffer layer is externally extruded with a polyurethane heat-insulation tube. The power cable for elastic cold-resistant wind power generation has fireproof, waterproof, windproof, sun-proof, mold-proof, cold-resistant ageing-resistant and wind pressure-resistant properties and the like.

Description

technical field [0001] The invention belongs to the field of power cables, in particular to an elastic and cold-resistant power cable for wind power generation. Background technique [0002] In today's increasingly tense global energy environment, the country's demand for renewable energy continues to increase. Therefore, low-temperature wind energy power cables, which are supporting products for wind power generation equipment, are becoming new types of cables with huge market potential, developed and put into the market. Low-temperature wind energy power cables are widely used in the connection of wind energy generator rotors or in the connection of non-mobile power sources inside and outside the tower, etc., which solves the hidden dangers of safe operation of equipment, renews environmental benefits, and brings economic benefits. The disadvantages of the existing low-temperature wind energy power cables are: when the temperature is lower than -55°C, the insulation and th...

Claims

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Application Information

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IPC IPC(8): H01B7/00H01B7/17H01B7/22H01B7/282H01B7/295H01B9/02H01B7/28
CPCY02A30/14H01B9/02H01B7/0009H01B7/17H01B7/22H01B7/2806H01B7/282H01B7/295
Inventor 杨凤霞薛洪亮周冬花宋青林
Owner JIANGSU ZHUYING SPECIAL CABLE
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