초록 ▼

A method for running in a drive train component of a wind energy plant, wherein the wind energy plant has an operation management which can control at least one operational variable B significant for the strain of the drive train component to a desired value BS, wherein after starting up the drive t

A method for running in a drive train component of a wind energy plant, wherein the wind energy plant has an operation management which can control at least one operational variable B significant for the strain of the drive train component to a desired value BS, wherein after starting up the drive train component, the desired value BS is limited by a maximum value BMax, which is preset depending on a yield value W which describes the yield of the wind energy plant achieved since starting up the drive train component.

대표청구항 ▼

What is claimed is: 1. A method for running in a drive train component of a wind energy plant, comprising the steps of: providing a wind energy plant having an operation management which can control at least one operational variable B significant for the strain of the drive train component to a des

What is claimed is: 1. A method for running in a drive train component of a wind energy plant, comprising the steps of: providing a wind energy plant having an operation management which can control at least one operational variable B significant for the strain of the drive train component to a desired value Bs, and limiting, after starting up the drive train component, the desired value Bsby a maximum value Bmax, which is preset depending on a yield value W which describes the yield of the wind energy plant achieved since starting up the drive train component. 2. A method according to claim 1, characterised in that one of the operational variables B significant for the strain of the drive train component is the electric power P generated by the wind energy plant. 3. A method according to claim 1, characterised in that one of the operational variables B significant for the strain of the drive train component is a torque in the drive train of the wind energy plant. 4. A method according to claim 1, characterised in that the maximum value BMax is steadily increased after starting up, until it reaches a rated value BN of the operational variable B of the wind energy plant significant for the strain of the drive train component at a certain yield value W2. 5. A method according to claim 1, characterised in that running in is stopped when a certain yield value is reached. 6. A method according to claim 1, characterised in that the maximum value BMax has an initial value BF when the drive train component is started up. 7. A method according to claim 1, characterised in that the maximum value BMax is kept constant up to a presettable yield value W1 after starting up the drive train component. 8. A method according to claim 1, characterised in that the maximum value BMax is preset to be proportional to the yield value W in a period. 9. A method according to claim 1, characterised in that the maximum value BMax is preset to be proportional to a root of the yield value W in a period. 10. A method according to claim 8, characterised in that the maximum value BMax is preset to be proportional to the yield value W or proportional to the square root of the yield value W, respectively, between the yield values W1 and W2. 11. A method according to claim 1, characterised in that the yield value W is established by cumulation of the achieved yields of the wind energy plant since the drive train component was started up. 12. A method according to claim 11, characterised in that in the cumulation of the achieved yields only those yields are taken into account which have been achieved at a momentary or average value of the of the operational variable B significant for the strain of the drive train component above a minimum value BMin. 13. A method according to claim 12, characterised in that the minimum value BMin is preset depending on the maximum value BMax. 14. A method according to claim 13, characterised in that the minimum value BMin is preset to be proportional to the maximum value BMax. 15. A wind energy plant with at least one drive train component, an operation management, which can control at least one operational variable B significant for the strain of the drive train component to a desired value BS, wherein the operation management has an equipment for establishing a yield value W, which describes the yield of the wind energy plant achieved since starting up the drive train component, and an equipment for presetting a maximum value BMax, depending on a yield value W, wherein the operation management can use the maximum value BMax for limiting the desired value BS. 16. A wind energy plant according to claim 15, characterised in that one of the operational variables B of the wind energy plant significant for the strain of the drive train component is the electric power generated by the wind energy plant. 17. A wind energy plant according to claim 15, characterised in that one of the operational variables B of the wind energy plant significant for the strain of the drive train component is a torque in the drive train of the wind energy plant. 18. A wind energy plant according to claim 15, characterised in that the equipment for presetting a maximum value BMax can steadily increase the maximum value BMax after starting up, until it reaches a rated value BN of the operational variable B of the wind energy plant significant for the strain of the drive train component at a certain yield value W2. 19. A wind energy plant according to claim 15, characterised in that the operation management can stop the limitation of the desired value BS when the equipment for determining a yield value W establishes a yield value W of a certain amount. 20. A wind energy plant according to claim 15, characterised in that there is an equipment for presetting an initial value BF and the equipment for presetting a maximum value BMax can use the preset initial value BF for presetting the maximum value BMax in the point of time when the drive train component is started up. 21. A wind energy plant according to claim 15, characterised in that the equipment for presetting a maximum value BMax can keep the maximum value BMax constant up to a presettable yield value W1 after the drive train component was started up. 22. A wind energy plant according to claim 15, characterised in that the equipment for presetting a maximum value BMax can preset the maximum value BMax to be proportional to the yield value W in a period. 23. A wind energy plant according to claim 15, characterised in that the equipment for presetting a maximum value BMax can preset the maximum value BMax to be proportional to a root of the yield value W in a period. 24. A wind energy plant according to claim 22, characterised in that the equipment for presetting a maximum value BMax can preset the maximum value BMax to be proportional to the yield value W or proportional to the square root of the yield value W, respectively, between the yield values W1 and W2. 25. A wind energy plant according to claim 15, characterised in that the equipment for establishing a yield value W can establish the yield value W by cumulation of the achieved yields of the wind energy plant since the drive train component was started up. 26. A wind energy plant according to claim 25, characterised in that when cumulating the achieved yields, the equipment for establishing a yield value W can selectively take into account only those yields which have been achieved at a momentary or average value of the of the operational variable B significant for the strain of the drive train component above a minimum value BMin. 27. A wind energy plant according to claim 26, characterised in that there is an equipment for presetting the minimum value BMin, which can preset the BMin depending on the maximum value BMax. 28. A wind energy plant according to claim 27, characterised in that the equipment for presetting the minimum value BMin can preset the minimum value BMin to be proportional to the maximum value BMax.