ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Nov 29, 2023
filing date -
Dec 1, 2022
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status (Latency Note)
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Abstract
An energy storage system includes a DC bus, an energy storage converter, n first battery racks and m energy storage units. The DC bus has a positive bus and a negative bus. The energy storage converter is electrically connected to the DC bus. Each of the n first battery racks is electrically connected between the positive bus and the negative bus directly. Each of the m energy storage units includes a second battery rack and a DC/DC converter. The DC/DC converter is electrically connected between the corresponding second battery rack and the DC bus. The DC/DC converter performs electric energy conversion between the corresponding second battery rack and the DC bus.
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