RU2005112903A - METHOD FOR MANAGING A WIND POWER INSTALLATION - Google Patents

Claims (5)

1. A method of controlling a wind power installation (WEC) with a horizontal axis of rotation of the wind wheel (VK) self-orienting along the wind, including synchronous orientation of the wind wheel blades relative to the plane of its rotation in the range of angles from the structurally minimum φ _o to the weather vane φ _f in the mode of spinning, working or stopping VK , holding the VK blades at the installation angle φ, at which the VK rotation is stabilized in the range of the nominal angular speed of the operating mode ω _min ≤ω _nom ≤ω _max , turning on / off the load of the wind turbines and / or VK brakes, characterized in that, when the VK is unwound from the incident wind flow, the VK blades are turned with a pre-set constant or variable angular velocity γ from the angle φ _φ > φ to the angle φ _o <φ, while the acceleration time t _p is fixed VK up to a given control angular velocity ω _o ≤ω _nom or for a given control time t ₀ fix the angular acceleration speed of VK VK _p ≤ω _nom , then compare the value of t _p or ω _p with their pre-set threshold value

or at

or

bring the VK rotation to the angular velocity ω _max and turn on the load, with the transition of the VK to the range of the nominal stabilized angular velocity ω _{nom of the} operating mode, and when

or ω _p >

they stop the VK by transferring the blades to the angle φ _f and turning on the load and / or brake, while simultaneously turning on the timer for a pre-set delay time t _s , and at the end of t _s turn off the brake, load and put the VK back into the spin mode. 2. The control method of a wind turbine according to claim 1, characterized in that, when the VC is reached in the operating mode, the angular velocity ω <ω _min , the VC blades are rotated with a preset angular velocity γ from the angle φ to φ _o until the VC ω _nom reaches but while maintaining ω <ω _{min, the} load is further turned off, and the VK blades are fixed at an angle of 10 ° ≤φ≤50 °. 3. The method of controlling a wind turbine according to claim 1, characterized in that, when the VC is reached in the operating mode, the angular velocity ω> ω _max , the VC blades are turned with a pre-set angular velocity γ from the angle φ to φ _f until the VC ω _nom reaches moreover, while maintaining ω> ω _max , then turn on the VK brake, as well as a timer for a pre-set delay time t _s , while at the end of t _{s the} brake, load are turned off and the VC is again put into spin mode. 4. The method of controlling a wind turbine according to claim 1, characterized in that it additionally introduces a brake lock, which, in the event of a malfunction, prohibits the promotion of VK at the end of t _s . 5. The wind turbine control method according to claim 1, characterized in that light and / or beacons are additionally introduced, signaling a load failure and / or brake, and / or synchronous orientation of the blades, and / or turning on / off the spin mode, or working , or stop VK.