Battery energy source arrangement and voltage source converter system
First Claim
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1. A battery energy source arrangement comprising:
- a battery energy storage having at least two parallel-connected battery strings, each battery string comprising a plurality of series connected batteries where each battery has a maximum battery voltage, where the total of each maximum battery voltage for each series connected battery comprises a battery string voltage, anda mechanism for connecting a voltage of said battery strings to a load,said battery energy source arrangement further comprising battery string voltage adapter devices connected in series with respective ones of said at least two battery strings,wherein said battery string voltage adapter devices are rated to output a maximum voltage that is only a fraction of said battery string voltage of said battery string to which the respective battery string voltage device is connected.
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Abstract
The invention relates to power networks, and in particular to a battery energy source arrangement and voltage source converter system in such network. The battery energy source arrangement includes battery energy storage, having one or more parallel-connected battery strings and a mechanism for connecting a voltage of the battery strings to a load. The battery energy source arrangement further includes battery string voltage adapter devices connected in series with respective ones of the one or more battery strings wherein the battery string voltage adapter devices are designed to handle only a fraction of the voltage handled by the battery strings.
16 Citations
20 Claims
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1. A battery energy source arrangement comprising:
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a battery energy storage having at least two parallel-connected battery strings, each battery string comprising a plurality of series connected batteries where each battery has a maximum battery voltage, where the total of each maximum battery voltage for each series connected battery comprises a battery string voltage, and a mechanism for connecting a voltage of said battery strings to a load, said battery energy source arrangement further comprising battery string voltage adapter devices connected in series with respective ones of said at least two battery strings, wherein said battery string voltage adapter devices are rated to output a maximum voltage that is only a fraction of said battery string voltage of said battery string to which the respective battery string voltage device is connected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A battery energy source arrangement comprising:
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a battery energy storage having one battery string that is comprised of a plurality of series connected batteries where each battery has a maximum battery voltage, and where the total of each maximum battery voltage for each series connected battery comprises a battery string voltage, and a mechanism for connecting a voltage of said battery string to a load, said battery energy source arrangement further comprising a battery string voltage adapter device connected in series with the battery string, wherein said battery string voltage adapter device is rated to output a maximum voltage that is only a fraction of said battery string voltage of said battery string to which the respective battery string voltage device is connected. - View Dependent Claims (17, 18, 19, 20)
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Specification