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Air cooling system, wind power generation unit and cooling method thereof

A technology of air cooling system and wind power generating set, which is applied in the direction of wind power generator, wind power generation, engine, etc. It can solve the problems of shortening insulation life, insulation failure, motor output power drop, motor impact, etc., and achieves simple and compact structure and improved reliability , high cooling efficiency

Active Publication Date: 2020-01-24
XINJIANG GOLDWIND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These losses cause the motor to release a lot of heat during operation, and this heat will not only cause a certain impact on the motor itself and its insulation structure, resulting in shortened insulation life or even insulation failure, but also lead to a continuous decline in the output power of the motor

Method used

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  • Air cooling system, wind power generation unit and cooling method thereof
  • Air cooling system, wind power generation unit and cooling method thereof
  • Air cooling system, wind power generation unit and cooling method thereof

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Embodiment Construction

[0040] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least well-known structures and techniques of regions have not been shown in order to avoid unnecessarily obscuring the present invention; and, for clarity, the dimensions of region structures may have been exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.

[0041]The...

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Abstract

The invention relates to an air cooling system, a wind power generation unit and a cooling method thereof. The air cooling system is arranged between a cabin of the wind power generation unit and an air inlet of a power generator and comprises more than two subsystems which independently run; each subsystem comprises a dehumidifying device and drive equipment; each dehumidification device is arranged on the wall part of the cabin and communicates with the cabin; and each drive equipment is arranged in the cabin, so that external cooling air is introduced into the cabin through the corresponding dehumidification device to be mixed with a part of high-temperature air discharged from an air outlet of the power generator and performs heat exchange with a heating component of the cabin and / or the power generator, wherein the drive equipment of the more than two subsystems runs at the same time to realize a first function and alternately runs for a predetermined time to realize a second function. The air cooling system extends the functionality of the air cooling system.

Description

technical field [0001] The invention relates to the technical field of cooling, in particular to an air cooling system, a wind power generating set and a cooling method thereof. Background technique [0002] Wind power is one of the renewable energy technologies closest to commercialization and is the focus of renewable energy development. The motor in the wind turbine has heat loss during operation, which mainly includes: electromagnetic loss, that is, Joule heat generated by ohmic impedance in the winding, that is, copper loss; hysteresis loss and eddy current loss in the iron core, that is, iron loss. loss; and unavoidable stray loss; if it is a permanent magnet motor, it also includes magnet loss. These losses cause the motor to release a lot of heat during operation, and this heat will not only cause a certain impact on the motor itself and its insulation structure, resulting in shortened insulation life or even insulation failure, but also lead to a continuous decline...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D80/60F03D80/40B01D53/26B01D46/12
CPCF03D80/60F03D80/40B01D53/26B01D46/12Y02E10/72F05B2260/64F05B2270/325F03D80/55F05B2210/404F05B2260/20F05B2240/40B01D53/265
Inventor 白洛林彼得·海赛尔伦德·瑟琳森张敬祎
Owner XINJIANG GOLDWIND SCI & TECH
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