HIGH VOLTAGE BATTERY SYSTEM

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Outline

•  The high voltage battery system supplies power to drive the electric motor. Additionally, it stores the power generated by the electric motor using regenerative braking and the power charged externally.
The high voltage battery system has the following functions.
―  Supplies drive power to electric motor
―  Stores power generated by electric motor using regenerative braking and power charged externally
―  Cuts off and connects high voltage circuit
―  Monitors high voltage battery status
―  Supplies electrical power to electric compressor
―  Supplies electrical power to battery heater, electric compressor, PTC heater, DC-DC converter
―  Drives battery heater contactor
―  Diagnoses electrical leakage in high voltage circuit
―  System protection in case of malfunction and warning indication to driver, and malfunction diagnosis function

Structure

•  The high voltage battery system consists of the following main parts.

Part name

Reference
High voltage battery
(See HIGH VOLTAGE BATTERY.)
Service plug
(See SERVICE PLUG.)
Junction box No.1 /No.2
(See JUNCTION BOX No.1 /No.2.)
High voltage cable
(See HIGH VOLTAGE CABLE.)
Electric expansion valve
(See ELECTRIC EXPANSION VALVE.)
Cooling plate
(See HIGH VOLTAGE BATTERY COOLING SYSTEM.)
Battery heater
(See BATTERY HEATER SYSTEM.)
BECM
(See HIGH VOLTAGE BATTERY CONTROL SYSTEM.)


Structural View

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