Switch cabinet for a wind turbine and method for operating wing turbine

A technology for wind turbines and switch boxes, applied in the field of switch boxes, can solve the problems of inability to achieve deposition, low reaction rate, and limited desiccant absorption capacity, etc., to reduce the risk of deposition, reduce air humidity, and improve operational reliability Effect

Inactive Publication Date: 2005-10-19
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

However, such desiccants have a limited absorption capacity, making them need to be replaced frequently, which can be problematic especially when switch boxes are set at a height of 100 meters or more
Furthermore, the reaction rate of desiccants for binding moisture in the air is relatively low, so that a reliable prevention of water deposition on conductive elements cannot be achieved by this method

Method used

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  • Switch cabinet for a wind turbine and method for operating wing turbine
  • Switch cabinet for a wind turbine and method for operating wing turbine
  • Switch cabinet for a wind turbine and method for operating wing turbine

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Embodiment Construction

[0014] The switchgear box for a wind turbine according to the first embodiment of the invention can be realized as a completely enclosed switchgear box which has a box door which is closed during operation. A plurality of conductive and / or circuit elements are provided in the switch box, wherein said circuit elements may be provided on one or more circuit boards 20, as exemplarily in figure 1 as shown in. Furthermore, it is also possible to accommodate a drying device in the switch box 10, wherein according to the figure 1 In the embodiment of the invention shown in , the drying device comprises a fan 30 arranged below the circuit board, a heater 32 arranged upstream relative to the air flow generated by the fan 30 and behind the fan 30 , a deflector 34 serving as a support for the circuit board 20, and a cooling member 36 arranged upstream of the circuit board and on the side of the deflector 34 not facing the circuit board.

[0015] A fan 30 generates an air flow directed ...

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PUM

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Abstract

The invention relates to a switch cabinet for a wind turbine with at least one circuit element accommodated in said switch cabinet and a drying arrangement for preventing water depositions onto the at least one circuit element, wherein the drying arrangement includes a device for generating an air flow in a region of the at least one circuit element, the device including a peltier element.

Description

technical field [0001] The invention relates to a switch box for a wind turbine, with at least one circuit housed in said switch box, and drying means for preventing water from depositing on said at least one circuit element, The invention also relates to a method for operating a wind turbine using such a switchbox. Background technique [0002] Operating parameters of modern wind turbines such as blade angle, general orientation of the rotor and / or adjustment of the generator used to generate electricity are controlled electronically. The conductive or circuit elements used for this purpose are often housed in a switch box mounted to the machine gondola, which is placed at a height of up to 100 metres. This switch box is affected by the atmosphere. In order to ensure reliable operation of the wind turbine, water should not deposit on conductive or circuit components under any atmospheric conditions. [0003] In prior art switchboxes for wind turbines, such conditions are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D11/00H05K5/02
CPCF05B2260/20F03D11/00H05K5/0213Y02E10/722F03D80/60Y02E10/72H05K5/0212
Inventor P·阿亨巴赫
Owner GENERAL ELECTRIC CO
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