POWER CONVERSION APPARATUS

Provided is a power conversion apparatus. The power conversion apparatus includes an alternating current (AC)-direct current (DC) switched mode power supply (SMPS) configured to receive AC power from an AC power source and output DC power and a DC-DC SMPS configured to receive DC power supplied from each of one or more DC power sources and DC power output by the AC-DC SMPS, and supply DC power to one or more loads.