Main Components Of Electric Vehicle - Kia Soul EV 2018 Owner's Manual

MAIN COMPONENTS OF
ELECTRIC VEHICLE

Main Components of Electric Vehicle

High Voltage
Junction Block
On-Board Charger
(OBC)
EPCU
(Inverter + LDC)
Motor/
Reduction Gear
• High Voltage Junction Block: Supplies power from the high voltage bat-
tery to the inverter, LDC, air-conditioner compressor, and PTC heater.
• On-Board Charger (OBC): External device (low speed) to charge the high
voltage battery.
• Inverter: Transforms direct current into alternating current to supply power
to the motor, and transforms alternating current into direct current to
charge the high voltage battery.
• LDC: Transforms power from the high voltage battery to low voltage (12 V)
to supply power to the vehicle (DC-DC).
• Motor: Uses electrical energy stored inside the high voltage battery to
drive the vehicle (functions like an engine in a standard vehicle).
• Reduction Gear : Delivers rotational force of the motor to the tires at
appropriate speeds and torque.
4
• High voltage battery (lithium-
ion polymer) : Stores and sup-
plies power necessary for the
electric vehicle to operate (12 V
auxiliary battery provides power to
the vehicle features such as lights
and wipers).
❈ OBC : On-Board Charger
High Voltage
Battery
❈ LDC : Low Voltage DC-DC Converter
OPSE0Q4002