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Home >> Kia >> 2012 >> Optima L4-2.4L Hybrid >> Repair and Diagnosis >> Hybrid Drive Systems >> Battery System, Hybrid Drive >> Description and Operation >> High Voltage Battery Control System
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High Voltage Battery Control System





Description

The high voltage battery system consists of the BMS ECU (Battery Management System ECU), Power Relay Assembly (PRA), safety plug, battery temperature sensor, and battery ambient sensor. Especially the BMS ECU controls SOC (State Of Charge), power, cell balancing, cooling and troubleshooting of the high voltage battery system.
The PRA includes main relays (positive, negative), pre-charge relay, pre-charge resistor and battery current sensor.

[Main Functionalities]






NOTE:
SOC (State Of Charge): available energy of the high voltage battery

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