Patent ID: 8489903
Filing Date: 2013-07-16
Classification: H05K

Abstract:
1. A power supply system for supplying power to a plurality of loads, comprising: a plurality of power supply modules each comprising an input terminal receiving an input power and an output terminal outputting an output power, the input terminals of the power supply modules having the same input power; wherein each of the power supply modules comprises an AC-DC module interconnected the input terminal and the output terminal thereof; the AC-DC module comprises a switch module; a bus configured for connecting the power supply modules to the loads; and a control module comprising a calculation module and a choosing module electrically connected to the calculation module; the calculation module connected to the input and output terminals of each of the power supply modules; the choosing module connected to the switch module of each of the power supply modules, the control module configured for calculating the ratio of the total output power of the power supply modules to the input power of one power supply module, and controlling the connection and the disconnection of the power supply modules according to the ratio.