Nested tidal current generating set of air guide sleeve paddle-changing horizontal shaft
A generator set and shroud technology, applied in hydropower, reaction engines, tidal flow/damless hydropower, etc., can solve the problem of low comprehensive energy capture efficiency, and achieve improved energy capture efficiency, high efficiency, and stable power Effect
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[0020] As shown in the figure, the nested shroud variable pitch horizontal axis tidal current generating set of the present invention consists of an outer shroud 1, a shroud support 2, an inner shroud 3, a main shaft 4, a main shaft bearing 5, a hub 6, The blade 7, the pitch bearing 8, the pitch gear 9, the pitch rack 10, the pitch motor 11, the storage battery 12, the generator 13, the gear box 14, and the sealing ring 15 are composed.
[0021] (1) According to the reciprocating flow velocity in the sea area, the blade tip speed ratio, the hydraulic performance parameters of the airfoil, etc., calculate the variation law of the energy capture efficiency of the horizontal axis turbine with the tip speed ratio, and determine the optimal installation angle of the blade 7.
[0022] (2) Determine the working characteristics of the pitch motor according to the variation range of the tidal flow velocity and the reciprocating law;
[0023] (3) According to the power requirements of t...
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