Hydraulic central control device for wind power generating set
A wind turbine, centralized control technology, applied in the control of wind turbines, wind turbine combinations, wind turbines, etc., can solve the problems of enhancing the cost of hydraulic control parts, complicated control, etc., to reduce assembly costs, simplify hydraulic control units, Control easy effects
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[0011] The present invention will be further described below in conjunction with accompanying drawing.
[0012] Such as figure 1 As shown in the hydraulic centralized control device of the wind power generating set of the present invention, the hydraulic pump 12 arranged in the fuel tank 11 of the oil supply unit is connected to the filter 13 through the pipeline, and the filter 13 is respectively connected to the two sides of the hydraulic pitch control unit 2 through the pipeline. The one-position two-way solenoid valve 21 is connected to the throttle valve 41 of the braking unit 4; the two-position two-way solenoid valve 21 is connected to the three-position four-way electro-hydraulic proportional valve 22 provided in the hydraulic pitch control unit 2 through a pipeline, and the three-position The four-way electro-hydraulic proportional valve 22 is connected to one side of the hydraulic cylinder 31 arranged in the pitch implementing unit 3 through a pipeline, and the other...
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