Novel wind generating set bus duct

Abstract

The invention discloses a novel wind generating set bus duct. The novel wind generating set bus duct comprises a bus duct body and adaptor boxes arranged on the two ends of the bus duct body, the bus duct body comprises a shell and three bus units, the shell is made of aluminium magnesium alloy, the three bus units are arranged in an inner cavity formed by the shell and are fixed in the shell through insulating supports, four pipe buses made of aluminium alloy are arranged in each bus unit, each pipe bus is sleeved with an insulating layer, the corresponding pipe buses of the bus units are connected with one another through flexible bus units in a cone mode and are fixed through flanges, joints are provided with temperature monitoring devices, and the bus duct body is arranged on the wall of a tower through an elastic support. The novel wind generating set bus duct is simple in structure, low in impedance, pressure drop, energy consumption and cost, and high in use reliability, solves the problems that traditional bus duct connection units can not bear long-time shake of the tower, and is unreliable in electric conduction, and further overcomes the defects that a rectangular aluminium bus is large in pressure creep deformation, the surface is oxidized easily, and the connection portions have poor contact to cause accidents.

Description

technical field [0001] The invention relates to power distribution equipment in the field of electric power, in particular to a busway system for wind power generation. Background technique [0002] The reserves of fossil fuels such as coal, oil and natural gas are limited, and the energy that human beings depend on for survival and development will be exhausted one day, and the environmental pollution and safety problems caused by the increasing energy consumption have become the main social contradictions . Regardless of the future energy crisis of human beings or the immediate environmental pollution problem, the research and development of wind power generation technology is of great significance. Moreover, the wind resources on the earth are also very rich and have broad prospects for development. [0003] In the wind turbine tower, the connection from the wind turbine head to the tower bottom control system was first used special special cables, and later replac...

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Problems solved by technology

[0003] In the tower of the wind turbine, the connection from the machine head to the control system at the bottom of the tower first used special special cables, and later used bus ducts with high current carrying capacity, convenient installation and high cost performance Instead, however, the traditional busway connection unit cannot withstand the large shaking and vibration of the tower, and is prone to failure

In addition, in order to reduce weight and cost, the conductors in the busway adopt rectangular aluminum bars. Due to the inherent defects of the aluminum bars (the surface is easily oxidized, the creep deformation is large, and the conductivity decays quickly), the connection parts often fail, and its service life Far from meeting the requirements of thirty years

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