Power reserve apparatus, power system, and electric vehicle
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Jan 23, 2017
filing date -
Dec 26, 2011
priority date (Note) -
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Abstract
A power reserve apparatus is disclosed. In one embodiment, the power reserve apparatus comprises a first module including a first set of battery cells and a first inter-cell balance adjustment unit configured to use passive balancing to reduce voltage variance among the first set of battery cells. The power reserve apparatus also comprises a second module including a second set of battery cells and a second inter-cell balance adjustment unit configured to use passive balancing to reduce voltage variance among the second set of battery cells. The power reserve apparatus further comprises an inter-module balance adjustment unit configured to use active balancing to reduce voltage variance among the first and second modules.
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