Self-bearing tensile wind energy power cable

Abstract

The invention discloses a self-bearing tensile wind energy power cable. The self-bearing tensile wind energy power cable comprises a cable core, an isolation strip wrapped outside the cable core in an extruded manner and an outer sheath; a plurality of tubular conductors and rubber filling strips extruded among the tubular conductors are stranded, such that the cable core is formed; a bearing core is arranged in the centre of the tubular conductor; and a metal tensile tube is arranged between the isolation strip and the outer sheath. The self-bearing tensile wind energy power cable disclosed by the invention is high in self-bearing performance, low in attenuation, good in shielding effect and good in tensile performance, moisture resistance and sealing performance.

Description

technical field [0001] The invention belongs to the field of power cables, in particular to a self-supporting and tension-resistant wind energy power cable. Background technique [0002] The National Wire and Cable Quality Supervision and Inspection Center officially implemented the technical specifications for low-temperature wind energy power cables in May 2009. A detailed description. Before that, low-temperature wind energy power cables had mixed product quality, and a large number of unqualified or bad products flooded the market, bringing economic losses to users and seriously threatening the normal operation of electrical control equipment and power systems. [0003] As the country's demand for renewable energy continues to increase, low-temperature wind energy power cables, as a supporting product for wind power generation equipment, are becoming a new cable variety with huge market potential, developed and put into the market. The conductor of the low-temperature ...

AI Technical Summary

Problems solved by technology

The disadvantages are: long-term reciprocating positive and negative twists on wind power generation equipment, the life of the stranded conductors and conductive cores is not very long, and the cables are easily deformed, resulting in easy twisting

The reason for these defects is that the pitch of the stranded conductors is sparse, the stranded conductors are not very tight, the softness of the conductors is average, and there is no pre-torque force when twisting back and forth.

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