Apparatus and method for monitoring component breakdown of battery system
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United States of America Patent
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Aug 15, 2017
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N/A
app pub date -
Jul 29, 2014
filing date -
Dec 5, 2013
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Abstract
An apparatus and a method for monitoring a breakdown of a battery system component are provided to more accurately determine whether a cooling fan for cooling a battery of an environment-friendly vehicle or a part related to the cooling fan fails. The method for monitoring a breakdown of a battery system component compulsorily driving, by a controller, the cooling fan and measuring the current temperature of the battery when the battery management system fails to receive a pulse width modulation PWM signal that represents an operation state of the cooling fan and a feedback signal (PFM) of the cooling fan from a cooling fan controller.
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