Abstract: A control system for a wind turbine is provided. The control system includes a local terminal for locally generating wind turbine control commands, a control arrangement for generating control signals for the wind turbine on the basis of wind turbine control commands, and a switching arrangement for switching between a remote mode of operation over a main communication network, and a local mode of operation over a local communication network between the local terminal and the control arrangement such that a message passed between the local terminal and the control arrangement does not travel beyond the local communication network in the wind turbine. A method of locally controlling a wind turbine, and a wind park including a number of wind turbines, wherein each wind turbine comprises such a control system are also provided.

Abstract: A network device which is connectable to a data communication network is provided. The network device includes at least two device components including a first device component. Each device component has a communication interface, which is accessible via an internal static network address, associated for communicating data. The network device further includes a node device having an internal interface for communication with the communication interface of each of the at least two device components and an external interface for communication with an external device different from the network device. The node device is configured for receiving external data from the data communication network and providing to the first device component, in response the external data and by using the internal network address of the first device component, component specific data related to the first device component.

Abstract: A control system for a wind turbine is provided. The control system includes a local terminal for locally generating wind turbine control commands, a control arrangement for generating control signals for the wind turbine on the basis of wind turbine control commands, and a switching arrangement for switching between a remote mode of operation over a main communication network, and a local mode of operation over a local communication network between the local terminal and the control arrangement such that a message passed between the local terminal and the control arrangement does not travel beyond the local communication network in the wind turbine. A method of locally controlling a wind turbine, and a wind park including a number of wind turbines, wherein each wind turbine comprises such a control system are also provided.

Abstract: A wind turbine control system is provided. The control system has a wind turbine controller arranged locally at the wind turbine and adapted to adjust operation parameters of the wind turbine, and a central control unit arranged remotely from the wind turbine and adapted to communicate with the controller. The central control unit has a module for virtualizing a first computing device and a second computing device. The first computing device monitors information provided by sensors of the wind turbine and received by the central control unit. The central control unit generates a control signal based on the received information and provides a control signal to the second computing device. The second computing device generates an adjusting signal based on the control signal to the wind turbine controller for controlling the operation of the wind turbine by adjusting operation parameters of the wind turbine.

Abstract: A wind park network system is provided. The network system has a first and a second networks, a first and a second wind turbines representing a first and a second network elements, a first central unit and a second central unit for transmitting messages within the first and the second networks respectively. The first and the second wind turbines are connected to the first and the second central units within the first and the second networks respectively. The first and the second central units are connected. The first and the second networks are in a star topology and operate independently from each other such that a redundant network topology for the first and the second networks is realized.

Abstract: An Ethernet switch which includes an input terminal and an output terminal for coupling the Ethernet switch to a communication network is provided. The switch further includes a power terminal for coupling the Ethernet switch to a power supply, and a control unit being adapted to control the path of signals within the Ethernet switch. In a first operation mode, the control unit is adapted for directing signals received via the input terminal to an internal input terminal of the Ethernet switch, for receiving signals from an internal output terminal and for outputting signals via the output terminal. In a second operation mode, the control unit is adapted for directing signals received via the input terminal to the output terminal. The control unit is adapted to switch from the first operation mode into the second operation mode in response to a predefined trigger event.

Abstract: A device for signal path control includes a first input terminal and a first output terminal for coupling the signal path control device to a communication network. The device also includes a second input terminal and a second output terminal for coupling the signal path control device to a network device, and a relay input terminal coupleable to a relay output terminal of the network device. In a first operation mode, the device directs signals received via the first input terminal to the second output terminal, which is coupleable to an input terminal of the network device. In a second operation mode, the device directs signals received via the first input terminal to the first output terminal. The device switches between the operation modes in response to a trigger signal received via the relay input terminal.

Abstract: It is described a network device having at least two device components and being connectable to a data communication network. Each device component has a communication interface which is accessible by using an internal network address associated therewith. The network device further includes an address translation device having an internal interface for communication with the communication interface of each of the at least two device components and an external interface for communication with an external device different from the network device and being configured for determining, based on a received target identifier, the internal network address associated with the communication interface of a first device component. The address translation device is further configured for forwarding the external data to the first device component by using the internal network address of the first device component. Further, a configuration device for providing the external data is provided.

Abstract: A network device which is connectable to a data communication network is provided. The network device includes at least two device components including a first device component. Each device component has a communication interface, which is accessible via an internal static network address, associated for communicating data. The network device further includes a node device having an internal interface for communication with the communication interface of each of the at least two device components and an external interface for communication with an external device different from the network device. The node device is configured for receiving external data from the data communication network and providing to the first device component, in response the external data and by using the internal network address of the first device component, component specific data related to the first device component.