A new type of wind turbine busway

Abstract

The invention discloses a new type of busway for wind power generating sets, which includes a busway and a transfer box installed at both ends of the busway. The busway includes an aluminum-magnesium alloy shell and three busbars placed in an inner cavity formed by the shell The busbar unit is fixed in the shell by an insulating bracket. The busbar unit includes four aluminum alloy pipe busbars. The pipe busbars are covered with an insulating layer. The soft busbar units are used between the busbar units to connect the corresponding pipe busbars in a tapered shape. The flange is fixed, and a temperature monitoring device is installed at the connection, and the busway is installed on the wall of the tower through an elastic bracket. The invention has the advantages of simple structure, low impedance, low pressure drop, low energy consumption, low cost, and high reliability in use, and solves the defects that the traditional busway connection unit cannot withstand the long-term shaking of the tower tube and unreliable conduction, and also solves the problem of rectangular aluminum busbar pressure. Large creep deformation, easy to oxidize the surface, resulting in poor contact of the connection parts and causing 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 replaced by...

AI Technical Summary

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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