Patent ID: 8324886
Filing Date: 2012-12-04
Classification: G01R

Abstract:
1. A system comprising: a plurality of power supply units, each of the plurality of power supply units having an input terminal connected to an Alternating Current (AC) power source via a switch module and an output terminal capable of outputting a plurality of power rails to an output bus via the switch module; an electric load connected to the output bus for receiving the plurality of power rails; a power meter connected to the input terminal of each of the plurality of power supply units for measuring an input power of each of the plurality of power supply units; a multimeter connected to the plurality of power rails for measuring an output power of each of the plurality of power supply units; and a computer connected to the power meter and the multimeter for receiving data measured by the power meter and the multimeter and calculating a conversion efficiency of each of the plurality of power supply units.