BMS safety is one of the most elevated concerns in the battery industry and e-mobility. Several numbers of codes and standards are prepared and followed for different applications to ensure battery safety. Battery Management must control battery systems to ensure that it stays within BMS’s operational limits.
The behavior of BMS and software should be thoroughly tested for overcharge/over-discharge in order to validate the performance with integrated passive circuit protection devices operational. BMS active charge control function is inhibited during this process, and BMS interrupts the overcharge/over-discharge current through an automatic disconnect of the main contactors. In addition, cell overheating with an inhibited battery pack cooling control function should be secured. The objective is to validate the BMS functionality of cell overheating protection with the disconnection of power contactors and the potential start-up of safety battery support systems.
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