BATTERY SYSTEM AND CONTROL METHOD THEREOF
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United States of America
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Apr 15, 2021
app pub date -
Apr 28, 2020
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Apr 28, 2020
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Abstract
In a method of controlling a battery system having a battery module comprising a plurality of battery sub modules connected in parallel between system terminals, the method includes: measuring voltage values of the plurality of battery sub modules and/or cells in the plurality of battery sub modules and current values that flow on the battery module; detecting an occurrence of an internal short in the battery module by monitoring the voltage values or the current values; and electrically separating at least one battery sub module in which the internal short occurs from among the plurality of battery sub modules from the system terminals in response to the internal short occurring in the battery module.
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