Patent ID: 9643509
Date: 2017-05-09
CPC Classifications: B60L,B60R,H02M,Y02T

Claim:
1. A power supply apparatus of an eco-friendly vehicle, comprising: a battery; a first power converter unit comprising a DC-AC converter, a transformer and an AC-DC converter, and configured to convert DC power of the battery into DC power of a first voltage which is different from the voltage of the DC power of the battery, and further configured to supply the DC power of the first voltage to a first electric load of the vehicle; a second power converter unit configured to convert the DC power of the first voltage into DC power of a second voltage different from the first voltage and configured to supply the DC power of the second voltage to a second electric load of the vehicle; a first power consumption calculation unit configured to calculate power consumption varying depending on an operational state of the first electric load using the first voltage; a second power consumption calculation unit configured to calculate power consumption varying depending on an operational state of the second electric load using the second voltage; and a control unit configured to, after receiving an ignition signal of the eco-friendly vehicle, select one of a plurality of operation modes in response to the calculated power consumption of the first electric load and the calculated power consumption of the second electric load, and control the output of the battery to provide the output of the overall power consumption depending on the selected operation mode.