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
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[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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