SEC series of wind power hydraulic system. This may take hydraulic control of main brake on the turbine shaft height, locking systems and yaw brake all three parts. The main function can be achieved are: 1 during the normal operation of the fan, the control yaw brake brakes the mechanism of yaw, Steady nacelle position of the fan. 2 When the wind turbine needs to stop running wheel, spindle brake control on the fan spindle brake, while the hydraulic control spindle lock pin is protruding, the spindle lock in a stable position.
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