Description And Operation: Description

Fig 1: Electric Power Control Unit

Courtesy of KIA MOTORS AMERICA, INC.

Electric Power Control Unit (EPCU) is a 80kW power transformer system. It is integrated with inverter, LDC, and VCU.

Fig 2: Electric Power Control Unit Communication Diagram

Courtesy of KIA MOTORS AMERICA, INC.

• Inverter: It's a system that converts DC power from the high voltage battery to AC power supplied to the vehicle's drive motor.
• LDC (Converter): It's a system that converts DC power from the high voltage battery to DC power (Low Voltage) for the vehicle's electric components.