Patent ID: 8943338
Filing Date: 2015-01-27
Classification: G06F

Abstract:
1. A power server system, comprising: a power transmission interface; a power supply used for converting an AC power into a DC power and then outputting the DC power to the power transmission interface, wherein after the AC power is disconnected, the power supply continues outputting the DC power in a holding period having a rising period and a current sharing period adjacent to the rising period; and a battery backup unit (BBU) used for outputting a redundant power to the power transmission interface before the power supply stop outputting the DC power, wherein the BBU boosts the voltage level of the redundant power in the rising period, and controls the voltage level of the redundant power to be the same with that of the DC power in the current sharing period; and the BBU continuously provides the redundant power while the AC power is disconnected.