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What does OBC mean in new energy vehicles?

1 Answers

OEsther

07/30/25 3:07am

OBC in new energy vehicles refers to the power electronic device that charges the onboard power battery, namely the onboard charger. Introduction to onboard charger: The onboard charger is a charging device fixedly installed in electric vehicles, capable of safely and automatically fully charging the vehicle's power battery. Based on data provided by the battery management system, the charger can dynamically adjust charging current or voltage parameters, perform corresponding actions, and complete the charging process. Function of onboard charger: It can communicate with the vehicle monitoring system via high-speed CAN network, uploading the charger's working status, parameters, and fault alarm information, while receiving commands to start or stop charging. The charger should ensure that during the charging process, the voltage, temperature, and current of individual power battery cells do not exceed allowable values, and it must have functions to prevent output short circuits and reverse connections.

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