Patent ID: 7994657
Filing Date: 2011-08-09
Classification: H02J

Abstract:
1. An apparatus for supplying energy to a load, comprising: an energy recharge unit; an energy storage unit; an energy converter connected to said energy recharge unit, said energy converter being capable of transferring energy at a power level from said energy recharge unit to an output node at a predetermined voltage, said power level being determined by a power transfer controller; and a bi-directional energy converter connected to said energy storage unit and to said output node; a sensorless current mode (SCM) controller connected to the energy storage unit to receive an output of the energy storage, to the output node to receive an output of the bi-directional energy converter, and to the bi-directional energy converter, the SCM controller being configured to control the operation of the bi-directional energy converter, based on the output of the energy storage and the output of the bi-directional energy converter, to maintain the voltage of the output node at the predetermined voltage by: