An energy storage system is provided that is adapted to simultaneously carry out control and system tasks in non-local and local power supply grids and to a method for operating such an energy supply system. The energy storage system comprises at least one energy storage module and a system storage
An energy storage system is provided that is adapted to simultaneously carry out control and system tasks in non-local and local power supply grids and to a method for operating such an energy supply system. The energy storage system comprises at least one energy storage module and a system storage capacity and system output, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s), and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network.
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1. An energy storage system with at least one energy storage module and a system storage capacity and system output for receiving and supplying energy to/from the power supply grids connected to the energy storage system, wherein the energy storage system is at least intended for connection to a non
1. An energy storage system with at least one energy storage module and a system storage capacity and system output for receiving and supplying energy to/from the power supply grids connected to the energy storage system, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s) and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network, and comprises a control unit, which is adapted to carry out control tasks of receiving and supplying energy from or to the connected power supply grids according to the localized and non-localized control and system tasks simultaneously for all connected power supply grids, wherein the control unit is adapted to control the non-localized control and system tasks only in the scope of the portions of the system storage capacities and/or system output, which are not required for localized control and system tasks, wherein the energy storage system is provided to periodically send out a test signal via the communication network and to receive a corresponding return signal, with the receiving of the return signal confirming the existing connection to the communication network. 2. The energy storage system according to claim 1, characterized in that the energy storage module comprises one or more flywheel energy storage systems for the reversible storage of energy within the energy storage system. 3. The energy storage system according to claim 1, characterized in that the energy storage system comprises more than one energy storage modules, each of the energy storage module comprises a module control unit to execute tasks assigned to the individual energy storage modules by the control unit via respective data links in the context of localized and non-localized control and system tasks. 4. The energy storage system according to claim 1, characterized in that the energy storage system is provided to form a regulating network with other energy storage systems used as regulating network for a common control according to the non-localized control or system tasks in the non-localized power supply grid or according to regional control and system tasks in one or more local power supply grids, and characterized in that the energy storage system is adapted to carry out the common control for communication with the other energy storage systems. 5. The energy storage system according to claim 1, characterized in that the energy storage system comprises one or more measuring units for measuring one or more data in the connected local power supply grid and that the control unit is provided for controlling the energy storage system for the localized control and system tasks in this local power supply grid based on the measured data. 6. The energy storage system according to claim 1, characterized in that the energy storage system is connected to the one or more local power supply grids and the non-local power supply grid, with the control unit being adapted to control an energy flow between the connected power supply grids and the energy storage system, where the control unit is also provided to disconnect one or more of the connected power supply grids from the energy storage system if necessary. 7. The energy storage system according to claim 1, characterized in that the energy storage system comprises several interfaces to sub-communication networks in the communication network and is adapted to restore the connection via an alternative sub-communication network in the existing communications network, in the case of an interrupted connection. 8. The energy storage system according to claim 1, characterized in that the energy storage system is provided for the respective local power supply grid(s) during a non-existent connection to the communication network for the exclusive implementation of the localized control and system tasks. 9. The energy storage system according to claim 1, characterized in that the energy storage system comprises a task memory for storing the received non-localized and localized control and system tasks, which is accessed by the control unit for controlling the energy storage system according to the non-localized and localized control or system tasks. 10. The energy storage system according to claim 9, characterized in that the energy storage system comprises a test unit which is intended to verify received non-localized and localized control and system tasks for plausibility and origin before saving in the task memory, and storage in the task memory only takes place in case of a positive test result. 11. The energy storage system according to claim 10, characterized in that the test unit is adapted to emit an alarm signal to the control unit in case of a negative test result, and the control unit is adapted to disconnect the energy storage system from the connected power supply grids following the alarm signal. 12. The energy storage system according to claim 1, characterized in that the control unit is adapted to detect and evaluate operating data of the energy storage system and to send out a message log comprising the operating data via the communications network, so that at least the operating data to be received for the non-localized control and system tasks can be considered. 13. A method of operating an energy storage system connected to a non-local power supply grid to execute non-localized control and system tasks and/or to one or more local power supply grids to execute localized control and system tasks with a system storage capacity and a system output according to claim 1 with one or more energy storage modules for receiving and supplying of energy from/to the connected power supply grids comprising the steps of: Receiving localized control and system tasks for execution in the connected local power supply grids,Controlling the receiving and supplying of energy to or from the local power supply grid according to the received localized control and system tasks by means of a control unit as part of a portion provided for the local power supply grid(s) of the system storage capacity and/or system output of the energy storage system,Receiving at least non-localized control and system tasks for execution in the connected non-local power supply grid via at least one interface of the energy storage system connected with a communication network, andsimultaneous control of the receiving and supplying of energy from or into the non-local power supply grid according to the received non-localized control and system tasks in the scope of the portions not required for localized control and system tasks of the system storage capacities and/or system output of the energy storage system,sending out a test signal periodically by the energy storage system via the communication network and receiving a corresponding return signal, with the receiving of the return signal confirming the existing connection to the communication network. 14. The method according to claim 13 comprising the further steps of: checking received non-localized and localized control and system tasks by means of a test unit for plausibility and origin,saving the received non-localized and localized control and system tasks in a task memory of the energy storage system in case of a positive test result,the local control unit accessing the non-localized and localized control and system tasks stored on the task memory to control the energy storage system,priority control of the energy storage system for localized control and system tasks through the control unit according to the non-localized and localized control and system tasks stored in the task memory, andemitting an alarm signal by the test unit to the control unit in case of a negative test result, whereupon the control unit causes a disconnection of the energy storage system from the connected power supply grids. 15. An energy storage system with at least one energy storage module and a system storage capacity and system output for receiving and supplying energy to/from the power supply grids connected to the energy storage system, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s) and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network, and comprises a control unit, which is adapted to carry out control tasks of receiving and supplying energy from or to the connected power supply grids according to the localized and non-localized control and system tasks simultaneously for all connected power supply grids, wherein the control unit is adapted to control the non-localized control and system tasks only in the scope of the portions of the system storage capacities and/or system output, which are not required for localized control and system tasks, wherein the energy storage system comprises a task memory for storing the received non-localized and localized control and system tasks, which is accessed by the control unit for controlling the energy storage system according to the non-localized and localized control or system tasks. 16. The energy storage system according to claim 15, characterized in that the energy storage system comprises a test unit which is intended to verify received non-localized and localized control and system tasks for plausibility and origin before saving in the task memory, and storage in the task memory only takes place in case of a positive test result. 17. An energy storage system with at least one energy storage module and a system storage capacity and system output for receiving and supplying energy to/from the power supply grids connected to the energy storage system, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s) and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network, and comprises a control unit, which is adapted to carry out control tasks of receiving and supplying energy from or to the connected power supply grids according to the localized and non-localized control and system tasks simultaneously for all connected power supply grids, wherein the control unit is adapted to control the non-localized control and system tasks only in the scope of the portions of the system storage capacities and/or system output, which are not required for localized control and system tasks, wherein the control unit is adapted to detect and evaluate operating data of the energy storage system and to send out a message log comprising the operating data via the communications network, so that at least the operating data to be received for the non-localized control and system tasks can be considered. 18. A method of operating an energy storage system connected to a non-local power supply grid to execute non-localized control and system tasks and/or to one or more local power supply grids to execute localized control and system tasks with a system storage capacity and a system output according to claim 1 with one or more energy storage modules for receiving and supplying of energy from/to the connected power supply grids comprising the steps of: Receiving localized control and system tasks for execution in the connected local power supply grids,Controlling the receiving and supplying of energy to or from the local power supply grid according to the received localized control and system tasks by means of a control unit as part of a portion provided for the local power supply grid(s) of the system storage capacity and/or system output of the energy storage system,Receiving at least non-localized control and system tasks for execution in the connected non-local power supply grid via at least one interface of the energy storage system connected with a communication network, andsimultaneous control of the receiving and supplying of energy from or into the non-local power supply grid according to the received non-localized control and system tasks in the scope of the portions not required for localized control and system tasks of the system storage capacities and/or system output of the energy storage system,checking received non-localized and localized control and system tasks by means of a test unit for plausibility and origin,saving the received non-localized and localized control and system tasks in a task memory of the energy storage system in case of a positive test result,the local control unit accessing the non-localized and localized control and system tasks stored on the task memory to control the energy storage system,priority control of the energy storage system for localized control and system tasks through the control unit according to the non-localized and localized control and system tasks stored in the task memory, andemitting an alarm signal by the test unit to the control unit in case of a negative test result, whereupon the control unit causes a disconnection of the energy storage system from the connected power supply grids.
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이 특허에 인용된 특허 (1)
Capp, F. William; Lazarewicz, Matthew L.; Arseneaux, A. James; Dresens, Paul; Rojas, Hernan Alex, Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation.
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