Airtight cabinet cooling system and wind power generating set

A cooling system and cabinet technology, which is applied in the direction of wind motor combination, wind engine, wind power generation, etc., can solve the problems of reducing the power generation efficiency of wind power generating sets, reducing the temperature of the converter, shortening and so on, so as to improve the power generation and wind energy utilization rate effect

Inactive Publication Date: 2011-12-14
XINJIANG GOLDWIND SCI & TECH
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Problems solved by technology

[0005] Therefore, when the wind turbine is used in a high-temperature area, since the existing cooling system cannot effectively reduce the temperature of the converter, in order to ensure the normal operation of the converter and the wind generator, it is necessary to reduce the output power of the wind generator. Reduce the calorific value of th

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  • Airtight cabinet cooling system and wind power generating set
  • Airtight cabinet cooling system and wind power generating set
  • Airtight cabinet cooling system and wind power generating set

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[0034] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the closed cabinet cooling system and wind power generator provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] Please refer to Figure 1-4 , The closed cabinet cooling system provided by the first embodiment of the present invention is used to cool the power devices 3 and other heating devices in the converter cabinet 2, which includes an air-water-cooled heat exchanger assembly 4, a high-temperature chiller 5, a circulating water pipe, Circulating air duct, in which the high-temperature chiller 5 provides cooling water to the air-water-cooled heat exchange assembly 4 as a cooling medium to exchange heat with the air in the circulating duct in the air-water-cooled heat exchange assembly 4, thereby reducing the temperature of the circulating air and being cooled The circulating air flows th...

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Abstract

The present invention provides a closed cabinet cooling system, which is used to cool at least one heat-generating device in a closed cabinet, which includes a circulation channel, a cooling device, a heat exchange device, a driving device and a heat exchange medium; the heat exchange device is arranged in On the circulation channel, the cooling device is connected to the circulation channel or the heat exchange device; the driving device drives the heat exchange medium to circulate in the circulation channel, and the heat exchange medium passes through the heat exchange device and the heat exchange device. The heat generating device performs heat exchange. The airtight cabinet cooling system provided by the present invention can effectively cool the heat-generating devices in the air-tight cabinet in a high-temperature environment, ensure that the heat-generating devices are in a suitable temperature range, and avoid malfunctions caused by excessive temperature.

Description

technical field [0001] The invention relates to wind power generation technology, in particular to a closed cabinet cooling system and a wind power generating set with the closed cabinet cooling system. Background technique [0002] Modern large-scale wind turbines are mainly used for grid-connected power generation. A key device for grid-connected power generation is the converter. Through the converter, the frequency and phase of the output voltage of the wind turbine can meet the requirements of grid-connected power generation. However, the power devices in the wind turbine converter generate a lot of heat, and because the converter is usually placed in the converter cabinet inside the tower and is basically isolated from the external environment, it cannot effectively dissipate heat, which makes the converter The temperature is very high when working. In order to ensure the normal operation of the converter, it is necessary to configure a special cooling system for the c...

Claims

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Application Information

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IPC IPC(8): H05K7/20F03D9/00
CPCY02E10/72
Inventor 靳然刘军卫
Owner XINJIANG GOLDWIND SCI & TECH
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