Patent ID: 9550434
Date: 2017-01-24
CPC Classifications: B60L,H02J,H02P,Y02T

Claim:
1. An energy management system, comprising: a motor; an inverter electrically connected to the motor; a DC-DC converter electrically connected to the inverter; a first energy storage unit electrically connected to a DC link of the inverter through the DC-DC converter; a second energy storage unit coupled to the inverter; and a control unit configured to control the distribution of electrical power from the first energy storage unit and the second energy storage unit to the inverter in dependence upon a predetermined power threshold and the control unit is configured to control the first energy storage unit to provide a first amount of power, the first amount of power being less than or equal to the power threshold and to control the second energy storage unit to provide a second amount of power, the second amount of power being the difference between a total amount of power requested and the power threshold.