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A wind turbine configuration management system, a central computer system and a method is provided. The configuration management system includes a central computer system and a wind turbine control system controlling a wind turbine. The central computer system is coupled to the wind turbine control

A wind turbine configuration management system, a central computer system and a method is provided. The configuration management system includes a central computer system and a wind turbine control system controlling a wind turbine. The central computer system is coupled to the wind turbine control system over a communication network. A processing unit of the central computer is configured to periodically request configuration data from the wind turbine control system, receive configuration data from the wind turbine control system and to compare the received configuration data to a stored data.

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1. A wind turbine configuration management system, comprising: a wind turbine control system which controls a wind turbine; anda central computer system which is coupled to the wind turbine control system over a communication network, the central computer system includes: a memory comprising configu

1. A wind turbine configuration management system, comprising: a wind turbine control system which controls a wind turbine; anda central computer system which is coupled to the wind turbine control system over a communication network, the central computer system includes: a memory comprising configuration reference data for the wind turbine, anda processing unit configured to: periodically request current configuration data from the wind turbine control system over the network,receive the current configuration data from the wind turbine control system in response to the periodic request, andcompare the received current configuration data to the configuration reference data. 2. The wind turbine configuration management system according to claim 1, wherein the processing unit is configured to generate an alarm on the condition of the received current configuration data not matching the configuration reference data. 3. The wind turbine configuration management system according to claim 1, wherein the configuration data is descriptive of the configuration of the wind turbine. 4. The wind turbine configuration management system according to claim 3, wherein the configuration data comprises type information and/or version information of software components installed in the wind turbine. 5. The wind turbine configuration management system according to claim 3, wherein the configuration data comprises type information and/or version information about electronic components and/or structural components of the wind turbine. 6. The wind turbine configuration management system according to claim 1, wherein the wind turbine control system is configured to maintain the configuration data locally in a data file. 7. The wind turbine configuration management system according to claim 6, wherein the processing unit is configured to transmit the reference configuration data to the wind turbine control system. 8. The wind turbine configuration management system according to claim 4, wherein the processing unit is configured to transmit the reference configuration data in a file format matching the data file in the wind turbine control system. 9. The wind turbine configuration management system according to claim 1, wherein the wind turbine control system is configured to collect the configuration data upon receiving the request from the central computer system and to send the configuration data to the central computer system. 10. The wind turbine configuration management system according to claim 1, wherein the processing unit is configured to provide a remote user interface for maintenance of the wind turbine. 11. The wind turbine configuration management system according to claim 10, wherein the remote user interface is web-based. 12. The wind turbine configuration management system according to claim 1, wherein the wind turbine control system comprises a software component which is parameterized by the configuration data. 13. A central computer system for a wind turbine configuration management system, comprising: a memory comprising configuration reference data for the wind turbine, anda processing unit configured to: periodically request current configuration data from the wind turbine control system over the network,receive the current configuration data from the wind turbine control system in response to the periodic request, andcompare the received current configuration data to the configuration reference data,wherein the central computer system is coupled to the wind turbine control system over a communication network. 14. A method for configuring a wind turbine by a central computer system, comprising: storing a configuration reference data in a memory of the central computer system;periodically request current configuration data from a control system of the wind turbine over a network;receiving the current configuration data from the control system in response to the periodic request;comparing the received current configuration data to a stored configuration reference data stored in a memory of the central computer system; andtransmitting the stored configuration reference data to the wind turbine based when the comparison indicates the received current configuration data does not match the stored configuration reference data. 15. The method according to claim 14, further comprising generating an alarm when the comparison indicates the received current configuration data does not match the stored configuration reference data. 16. The method according to claim 14, further wherein the configuration data is descriptive of the configuration of the wind turbine. 17. The method according to claim 16, wherein the configuration data comprises type information and/or version information of software components installed in the wind turbine. 18. The method according to claim 16, wherein the configuration data comprises type information and/or version information about electronic components and/or structural components of the wind turbine. 19. The method according to claim 14, wherein the stored configuration reference data is transmitted to the wind turbine in a file format matching a data file in the wind turbine control system. 20. The method according to claim 14, wherein the wind turbine comprises a software component which is parameterized by the configuration data.