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A kind of installation tooling and wind-facing method for a wind vane of a wind power generating set to accurately face the wind

A technology for wind turbines and installation tooling, which is applied in the assembly of wind turbines and wind power generation. It can solve problems such as reduced working efficiency of wind turbines, inaccurate control of wind vane accuracy, eccentric loads of yaw systems, etc., to improve power generation efficiency. and the power generation of the unit, overcome the inaccurate control of the wind precision, and facilitate the promotion and application of the effect

Active Publication Date: 2017-04-26
BEIJING TIANYUAN SCI & TECH CREATION WINDPOWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of existing technology, large-scale wind turbines have been widely used, but because some technical details are not paid attention to by people, it directly affects the power generation of the unit
For example, the problem of facing the wind of the unit is easily overlooked: First, the accuracy of the wind vane is not accurately controlled during the installation process
During the installation process of the fan, the wind vane is installed by the hoisting company according to the installation standard. Due to the simple installation standard and the individual differences of the technicians, the final wind problem of the fan is quite different.
Second, after the fan is running, the wind vane lacks maintenance
The inaccurate alignment of the unit to the wind caused by the above reasons will not only greatly reduce the working efficiency of the fan, but also cause the yaw system to appear unbalanced load, which will bring certain harm to the unit
Then the main reason for the above problems is that there are no professional wind tools and installation testing standards.

Method used

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  • A kind of installation tooling and wind-facing method for a wind vane of a wind power generating set to accurately face the wind
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  • A kind of installation tooling and wind-facing method for a wind vane of a wind power generating set to accurately face the wind

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Experimental program
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Effect test

Embodiment Construction

[0030] The wind turbine facing the wind means that the central axis of the impeller (forward) of the wind turbine is aligned with the wind direction, and at this time, the fan can absorb wind energy to the maximum extent.

[0031] E=1 / 2[ρ×t×(s×cosθ)×υ 3 ]-------①

[0032] In the formula: ρ--air density (kg / m 2 ); υ--wind speed (meter / second); t--time (second); S--cross-sectional area (meter 2 ); θ--the angle between the central axis of the impeller and the wind direction.

[0033] It can be seen from the above formula that when the value of θ is 0°, the generated wind energy E is the largest. figure 1 When the shown impeller deviates from the wind direction, the value of θ is not 0° with a certain included angle, and the generated wind energy E decreases.

[0034] refer to Figure 1 to Figure 5 As shown, the wind power generating set includes a tower 4, a nacelle 6, and a base 5 installed in the nacelle 6, a generator 8, a gearbox 7, a hub 2 and blades 1, and a wind vane ...

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Abstract

The invention discloses an installing tool and a wind aligning method for accurate wind aligning of a wind indicator of a wind generating set. The installing tool comprises a support detachably connected to the wind indicator, a guiding rod connected with the support, and a positioning device which is installed on the guiding rod and can slide along the guiding rod and position a perpendicular plane, and a positioning mark which can determine the pointing direction of the wind indicator and is parallel with the perpendicular plane is further arranged on the installing tool. The wind aligning method includes the steps that first, the installing tool is fixedly installed on the wind indicator, and the wind indicator is made to point to the positioning mark; then, by adjusting the position of the positioning device on the guiding rod and the direction of the wind indictor, the determined perpendicular plane of the positioning device is made to pass through a wheel hub and the central axis of a cabin, and accurate wind aligning on the wind indictor is completed. With the installing tool and the wind aligning method, accurate wind aligning of a fan can be achieved conveniently, and whether the wind indictor normally works or not can be detected regularly and fast. The installing tool is simple in structure, the using method is easy and convenient to achieve, and promotion and application are facilitated.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to an installation tool and a wind-facing method for a wind vane of a wind-driven generating set to accurately face the wind. Background technique [0002] With the development of existing technology, large-scale wind turbines have been widely used, but because some technical details are not paid attention to by people, it directly affects the power generation of the unit. For example, the problem of facing the wind of the unit is easily overlooked: First, the accuracy of the wind vane during the installation process is not accurately controlled. During the installation process of the wind turbine, the wind vane is installed by the hoisting company according to the installation standard. Due to the simple installation standard and the individual differences of the technicians, the final wind turbine has a large difference in the wind problem. Second, after the fan is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D13/10
CPCY02E10/72
Inventor 韩世辉李立山裴军红
Owner BEIJING TIANYUAN SCI & TECH CREATION WINDPOWER TECH
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