A twisted cable heat dissipation structure of a wind power generating set

Abstract

The invention discloses a heat radiation structure of twisting cables of a wind generating set. The heat radiation structure of twisting cables of a wind generating set includes a cable harness and a plurality of supporting rings, wherein the cable harness stretches to the inside of a tower tube from a cabin of a wind generating set; the plurality of supporting rings are arranged on cables in the cable harness in the axial direction at intervals, and separate the adjacent cables so as to form a heat radiation space in the cable harness. By setting the supporting rings on the cables, the heat radiation structure of twisting cables of a wind generating set utilizes the supporting rings to separate the adjacent cables so as to guarantee that the cables in the cable harness can have enough heat radiation space and setting of the supporting rings on the cables has little influence on twisting of the cable harness. The heat radiation structure of twisting cables of a wind generating set has the advantages of being simple in structure, being reasonable in design, being safe and reliable, being conductive to heat radiation and twisting of twisting cables of the wind generating set, being conductive to reduction of the cost and the installation difficulty of the cables, being high in practicality, and being substantial in economic benefits.

Description

technical field [0001] The invention relates to the technical field of wind power generators, in particular to a heat dissipation structure for twisted cable bundles between a nacelle and a tower of a wind power generator. Background technique [0002] During the operation of the wind turbine, the nacelle must yaw against the wind to ensure that the wind rotor can capture wind energy to the maximum extent. The yaw of the nacelle produces a rotational movement of the nacelle relative to the tower, twisting the bundle of cables that transmit power and signals between the nacelle and the tower. [0003] As the nacelle yaws, the cables within the twisted cable bundle will fit snugly together. Near the center of the cable bundle, the contact area between the cables and the air is very small, and the heat dissipation is very bad. [0004] If the cable selection is carried out in strict accordance with the cable bundled laying type in the relevant standards, the cost of the cable...

AI Technical Summary

Problems solved by technology

Although this method completely replaces the twisted cable structure, there is no problem of heat dissipation of the cable bundle, but the slip ring that realizes the transmission of large current and control loop has complex structure, high cost, and low reliability, and has not yet been marketed.

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