초록 ▼

The present invention concerns a method of operating a wind power installation having an electrical generator drivable by a rotor for delivering electrical power to an electrical network to which the wind power installation is connected. The invention further concerns a wind power installation compr

The present invention concerns a method of operating a wind power installation having an electrical generator drivable by a rotor for delivering electrical power to an electrical network to which the wind power installation is connected. The invention further concerns a wind power installation comprising a rotor and an electrical generator coupled to the rotor for delivering electrical power to an electrical consumer, in particular an electrical network.The object of the present invention is to eliminate the above-described problems when wind power installations are connected to the electrical network.A method of operating a wind power installation having a generator for delivering electrical power to an electrical network characterised in that the power delivered to the network by the generator is regulated or adjusted in dependence on the network frequency of the electrical network.

대표청구항 ▼

1. A method of operating a wind power installation having a generator for delivering electrical power to an electrical network characterized in that the power delivered to the network by the generator is regulated or adjusted in dependence on the network frequency of the electrical network, whereine

1. A method of operating a wind power installation having a generator for delivering electrical power to an electrical network characterized in that the power delivered to the network by the generator is regulated or adjusted in dependence on the network frequency of the electrical network, whereinelectrical power delivered by the generator and fed into the network is reduced if the network frequency of the electrical network exceeds a predetermined value. 2. A method according to claim 1 characterised in that the fed-in power of the wind power installation is reduced if the network frequency is more than 3‰, preferably 6‰ above its reference value.3. A wind power installation for carrying out the method according to claim 1 comprising a rotor and an electrical generator coupled to the rotor for delivering electrical power to an electrical network, characterised by a regulating device having a frequency pick-up for measuring the frequency of the electrical voltage at the network (current) and that the power delivered to the network by the generator is adjustable in dependence on the network frequency measured by the frequency pick-up.4. A wind power installation according to claim 3 characterised in that the regulating device has a microprocessor.5. A wind power installation according to claim 4 characterised in that the wind power installation has an inverter which is coupled to the microprocessor.6. A wind power installation according to one of the preceding claim 3 characterised in that the mechanical power of the wind power installation is reduced by the adjustable rotor blades being set into the wind.7. A wind power installation according to one of the preceding claim 3 characterised in that the wind power installation does not deliver any electrical power to the network if the network frequency exceeds a predetermined value of its reference value, preferably 2% of its reference value.8. A method of operation a wind power installation having a generator for delivering electrical power to an electrical network comprising:generating electrical power from the wind power installation; providing the electrical power to a network; measuring the frequency of the electrical power on the network; comparing the measured frequency to a reference value; and reducing the amount of electrical power provided on the network by the wind power installation if the frequency of the electrical power on the network exceeds the reference value by a threshold value. 9. The method according to claim 8 wherein the threshold value is 2‰.10. A method of operation a wind power installation having a generator for delivering electrical power to an electrical network characterized in that the power delivered to the network by the generator is regulated or adjusted in dependence on the network frequency of the electrical network, whereby the electrical power delivered by the generator and fed in to the network is reduced if the network frequency of the electrical network exceeds a predetermined value of more than 3‰.11. A wind power installation comprising:wind turbine blades exposed to ambient wind; a rotor coupled to the blades of the wind turbine; an electrical generator coupled to the rotor for generating electrical power and providing it to an electrical network; a regulating device having a frequency sensor for measuring the frequency of the electrical voltage of the network; and a power adjustment assembly for reducing the power delivered to the network by the generator based on the network frequency measured by the frequency sensor being different by a threshold value. 12. A wind power installation according to claim 11 characterised in that the regulating device has a microprocessor.13. A wind power installation according to claim 12 characterised in that the wind power installation has an inverter which is coupled to the microprocessor.14. A wind power installation according to claim 11 characterised in that the mechanical power of the wind power installation is reduced by the adjustable rotor blades being feathered with respect to the wind.15. A wind power installation according to claim 11 characterised in that the wind power installation reduces the electrical power provided to the network if the network frequency exceeds a predetermined reference value by more than 2‰.16. A wind power installation according to claim 11 characterised in that the wind power installation reduces the electrical power to zero so that no power is provided to the network if the network frequency exceeds a predetermined reference value by more than 2%.