Energy storage system and modular communication
First Claim
1. An energy storage system having a system storage capacity and/or system output and having more than one energy storage modules each having a module storage capacity and a module output,said energy storage modules featuring power connections at least for connection to a non-local power supply grid for carrying out non-localized control and system tasks in the non-local power supply grid,wherein the non-localized control and system tasks comprise a provision of primary and secondary reserve power, to support a black start, a general storage of power peaks and a reactive power compensation in the non-local power supply grid andwherein the non-local power supply grid is a transmission network,and/or for connection to one or more local power supply grid(s) for carrying out localized control and system tasks in the local power supply grid(s)wherein the localized control and system tasks improve a present local grid quality and wherein the local power supply grid is a power supply grid delimited in space comprising an in-house power sully system on a facility site, a power supply system inside a building or a complex of buildings, by absorbing energy from and releasing energy to the connected power supply grids andsaid energy storage modules of the energy storage system being connected to each other via one or more data lines, wherein one of the energy storage modules is provided as master module comprising a task memory to store external control commands regarding the non-localized and localized control and system tasks to be carried, and the other energy storage modules are provided as slave modules and the master module is designed for the overall control of all energy storage modules connected to the data line, andat least the master module further comprises at least one interface for receiving the external control commands and a master control unit as a component of the master module for storing and carrying out the external control commands by accessing the task memory via a data connection between the master control unit and the task memory,wherein the master control unit is provided to dispose of the module storage capacities and module outputs of all of the energy storage modules connected to it and to carry out the non-localized control and system tasks only within the scope of those portions of the free system storage capacities and the system output that are not required for the localized control and system tasks,wherein in the event of disturbed reception of the external control commands, the master control unit is provided to dispose of the module storage capacities and module outputs of all of the energy storage modules connected to it only available for carrying out the control commands regarding the localized control and systems tasks to be carried out in the connected local power supply grid(s) until the reception of external control commands has been restored.
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Accused Products
Abstract
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 has a modular structure and comprises more than one energy storage modules that are connected to each other via data lines. One of the energy storage modules is provided as master module and the others are provided as slave modules and the master module is configured for the overall control of all energy storage modules connected to the data line. At least the master module comprises at least one interface for receiving external control commands regarding the localized and non-localized control and system tasks to be carried out and a master control unit for storing and carrying out the external control commands.
6 Citations
16 Claims
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1. An energy storage system having a system storage capacity and/or system output and having more than one energy storage modules each having a module storage capacity and a module output,
said energy storage modules featuring power connections at least for connection to a non-local power supply grid for carrying out non-localized control and system tasks in the non-local power supply grid, wherein the non-localized control and system tasks comprise a provision of primary and secondary reserve power, to support a black start, a general storage of power peaks and a reactive power compensation in the non-local power supply grid and wherein the non-local power supply grid is a transmission network, and/or for connection to one or more local power supply grid(s) for carrying out localized control and system tasks in the local power supply grid(s) wherein the localized control and system tasks improve a present local grid quality and wherein the local power supply grid is a power supply grid delimited in space comprising an in-house power sully system on a facility site, a power supply system inside a building or a complex of buildings, by absorbing energy from and releasing energy to the connected power supply grids and said energy storage modules of the energy storage system being connected to each other via one or more data lines, wherein one of the energy storage modules is provided as master module comprising a task memory to store external control commands regarding the non-localized and localized control and system tasks to be carried, and the other energy storage modules are provided as slave modules and the master module is designed for the overall control of all energy storage modules connected to the data line, and at least the master module further comprises at least one interface for receiving the external control commands and a master control unit as a component of the master module for storing and carrying out the external control commands by accessing the task memory via a data connection between the master control unit and the task memory, wherein the master control unit is provided to dispose of the module storage capacities and module outputs of all of the energy storage modules connected to it and to carry out the non-localized control and system tasks only within the scope of those portions of the free system storage capacities and the system output that are not required for the localized control and system tasks, wherein in the event of disturbed reception of the external control commands, the master control unit is provided to dispose of the module storage capacities and module outputs of all of the energy storage modules connected to it only available for carrying out the control commands regarding the localized control and systems tasks to be carried out in the connected local power supply grid(s) until the reception of external control commands has been restored.
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15. A master module that is adapted to be used in an energy storage system, having a system storage capacity and/or system output,
wherein the master module has a module storage capacity and a module output and is configured with power connections at least for connection to a non-local power supply grid for carrying out non-localized control and system tasks in the non-local power supply grid, wherein the non-localized control and system tasks comprise a provision of primary and secondary reserve power, to support a black start, a general storage of power peaks and a reactive power compensation in the non-local power supply grid and wherein the non-local power supply grid is a transmission network, and for connection to one or more local power supply grid(s) for carrying out localized control and system tasks in the local supply network(s) wherein the localized control and system tasks improve a present local grid quality and wherein the local power supply grid is a power supply grid delimited in space comprising an in-house power sully system on a facility site, a power supply system inside a building or a complex of buildings, by absorbing energy from and releasing energy to the connected power supply grids, said master module comprising an interface for receiving external control commands regarding the localized and non-localized control and system tasks to be carried out and being provided to be connected to other energy storage modules via one or more data lines, and said master module further comprising a task memory to store the external control commands and a master control unit as a component of the master module for storing and carrying out the external control commands by accessing the task memory via a data connection between the master control unit and the task memory, wherein said master control unit is provided to dispose of the module storage capacities and module outputs of all of the energy storage modules connected to it and to carry out the non-localized control and system tasks only within the scope of those portions of the free system storage capacities and system output that are not required for the localized control and system tasks, wherein in the event of disturbed reception of the external control commands, the master control unit is provided to have the module storage capacities and module outputs of all of the energy storage modules connected to it only available for carrying out the control commands regarding the localized control and systems tasks to be carried out in the connected local power supply grid(s) until the reception of external control commands has been restored.
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16. A method for operating an energy storage system, having a system storage capacity and system output and having more than one energy storage modules that are connected via one or more data lines, said energy storage modules each having a module storage capacity and a module output and each featuring one or more power connections for connection power supply grids, comprising the following steps:
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connecting the respective energy storage modules comprising a master module and one or more slave modules to a non-local power supply grid for carrying out non-localized control and system tasks in the non-local power supply grid, wherein the non-localized control and system tasks comprise a provision of primary and secondary reserve power, to support a black start, a general storage of power peaks and a reactive power compensation in the non-local power supply grid and wherein the non-local power supply grid is a transmission network, and to one or more local power supply grids for carrying out localized control and system tasks in the local power supply grid(s) wherein the localized control and system tasks improve a present local grid quality and wherein the local power supply grid is a power supply grid delimited in space comprising an in-house power sully system on a facility site, a power supply system inside a building or a complex of buildings, by absorbing energy from and releasing energy to the connected power supply grids; receiving external control commands regarding the localized and non-localized control and system tasks to be carried out by means of an appropriately configured interface of the master module comprising a task memory to store the external commands; storing and carrying out the external control commands by means of a master control unit as a component of the master module by accessing the task memory via a data connection between the master control unit and the task memory, wherein the master control unit disposes of the module storage capacities and module outputs of all of the energy storage modules connected to it; carrying out the non-localized control and system tasks only within the scope of those portions of the free system storage capacities and system output that are not required for the localized control and system tasks, wherein in the event of disturbed reception of the external control commands, the master control unit is provided to have the module storage capacities and module outputs of all of the energy storage modules connected to it only available for carrying out the control commands regarding the localized control and systems tasks to be carried out in the connected local power supply grid(s) until the reception of external control commands has been restored.
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Specification