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    • 1. 发明授权
    • Hot-plug power supply for high-availability computer systems
    • 高可用性计算机系统的热插拔电源
    • US06044424A
    • 2000-03-28
    • US985562
    • 1997-12-05
    • Dilip Amin
    • Dilip Amin
    • G06F1/26
    • G06F1/263
    • A system and method for minimizing disruption of operating power in a high-availability computer as new power supplies are hot-inserted. In the preferred embodiment, the high-availability computer includes a plurality hot-plug power supplies, a logic circuit system, and a power distribution system for distributing operating power from the power supplies to the logic circuit system. Preferably, the output capacitance of each power supply is significantly less than the total capacitance of the logic circuit system and the power distribution system, such that, as each power supply is hot-inserted into the computer, only a minute amount of electric charges will be transferred from the power distribution system and the logic circuit system to the power supply. As a small amount of charge transfer would generate only a small voltage drop, any glitch produced by hot-insertion would be significantly reduced. In order to compensate for an increased glitch recovery time attributable to the increased capacitance, the power supply of the present invention may use a poly-phase voltage regulator. Further, the computer system of the present invention may include a timer for indicating to the service person that the power supply of the present invention has been successfully installed on an operating computer.
    • 一种用于在热插拔新电源时最大限度地降低高可用性计算机中的操作功率中断的系统和方法。 在优选实施例中,高可用性计算机包括多个热插拔电源,逻辑电路系统和用于将功率从电源分配到逻辑电路系统的配电系统。 优选地,每个电源的输出电容显着小于逻辑电路系统和配电系统的总电容,使得当每个电源被热插入到计算机中时,只有微量的电荷将 从配电系统和逻辑电路系统转移到电源。 由于少量的电荷转移将仅产生小的电压降,所以通过热插入产生的任何毛刺将显着减少。 为了补偿由于增加的电容引起的增加的毛刺恢复时间,本发明的电源可以使用多相电压调节器。 此外,本发明的计算机系统可以包括用于向服务人员指示本发明的电源已经成功地安装在操作计算机上的定时器。