Yaw system and yaw method based on frequency converter effective damping
A yaw system and frequency converter technology, which is applied in machine/engine, wind turbine control, engine function, etc., can solve the problems of wind power system security threats, yaw actuator damage, tower, blade vibration, etc., To achieve the effect of preventing premature tooth damage, reducing damage, and smooth operation of the fan
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[0024] Example: such as figure 1 As shown, the yaw system includes a main control controller 4, 8 sets of frequency converters 5, 8 yaw motors, a braking system 3, a cable unwinding protector 6, and a position encoder 7. The 8 sets of frequency converters are independently Drive 8 yaw motors, 6 of the 8 yaw motors are yaw drive motor 1, 2 are yaw damping motor 2 during start and stop, 1 position encoder 7 and 1 uncable protector 6 are respectively installed on the yaw ring gear, and 8 groups of frequency converters 5, uncable protectors 6, and position encoders 7 are respectively connected to the main controller 4.
[0025] This example is used for a 1.5MW wind turbine. Two sets of yaw motors are selected and evenly arranged on the circumference of the yaw ring gear.
[0026] Wherein the uncable protector 6 is a conventional part of the existing wind turbine.
[0027] The frequency converters 5 all adopt four-quadrant frequency converters. The brake system 3 is a hydraulic ...
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