Redox flow battery system
First Claim
1. A redox flow battery system comprising:
- a controller; and
a battery inverter that is suitable for at least one of charging and discharging one or more redox flow batteries, wherein the battery inverter comprises;
one or more battery terminals for connecting the battery inverter to the one or more redox flow batteries,a voltage sensor responsive to voltage of at least a first battery terminal, the voltage sensor being in communication with the controller,a current sensor responsive to current at the first battery terminal, the current sensor being in communication with the controller,a mains connection connectable to an AC supply network, anda plurality of DC-to-DC converters, including a first DC-to-DC converter comprising a first bridge circuit directly connected to the first battery terminal,wherein the controller is configured to switch off the first bridge circuit when a predetermined event occurs.
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Accused Products
Abstract
The invention relates to a redox flow battery system, comprising a controller and a battery inverter, which is suitable for charging and/or discharging a battery. The battery inverter comprises: a) a plurality of battery connections, to each of which at least one battery can be connected; b) a first measuring device, which is suitable for measuring the voltage at a battery connection and which is connected to the controller with regard to signaling; c) a second measuring device, which is suitable for measuring the current at a battery connection and which is connected to the controller with regard to signaling; d) a grid connection, which can be connected to an alternating-current supply grid; and e) a plurality of DC/DC converters, of which at least one has a first bridge circuit directly connected to a battery connection.
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Citations
17 Claims
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1. A redox flow battery system comprising:
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a controller; and a battery inverter that is suitable for at least one of charging and discharging one or more redox flow batteries, wherein the battery inverter comprises; one or more battery terminals for connecting the battery inverter to the one or more redox flow batteries, a voltage sensor responsive to voltage of at least a first battery terminal, the voltage sensor being in communication with the controller, a current sensor responsive to current at the first battery terminal, the current sensor being in communication with the controller, a mains connection connectable to an AC supply network, and a plurality of DC-to-DC converters, including a first DC-to-DC converter comprising a first bridge circuit directly connected to the first battery terminal, wherein the controller is configured to switch off the first bridge circuit when a predetermined event occurs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 15)
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9. A method for detecting a fault in a battery inverter of a redox flow battery system, the method comprising:
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monitoring current and voltage at a battery terminal of the battery inverter, wherein the battery inverter is suitable for at least one of charging and discharging one or more redox flow batteries, and the battery inverter comprises; one or more battery terminals for connecting the battery inverter to the one or more redox flow batteries, a voltage sensor responsive to voltage of at least a first battery terminal, the voltage sensor being in communication with a controller of the redox flow battery system, a current sensor responsive to current at the first battery terminal, the current sensor being in communication with the controller, a mains connection connectable to an AC supply network, and a plurality of DC-to-DC converters, including a first DC-to-DC converter comprising a bridge circuit directly connected to the first battery terminal; and switching the bridge circuit off when a predetermined event occurs. - View Dependent Claims (10, 11, 12, 13, 14, 16, 17)
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Specification