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Systems and methods for extending hold-up time of power supplies

A technology for power supplies and capacitors, applied in current collectors, data processing power supplies, instruments, etc., can solve the problems of reducing the overall efficiency of power supplies, low efficiency of primary capacitors, and expensive high-voltage capacitors

Active Publication Date: 2022-02-01
QUANTA COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the boost converter not only reduces the overall efficiency of the power supply, but the primary energy tank capacitor also requires a large high voltage capacitance, which occupies limited space in the power supply the most part of
Also, high voltage capacitors are expensive
Finally, the primary capacitor is inefficient since it may output only 30% of its capacitive storage capacity as output resident power requirement

Method used

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  • Systems and methods for extending hold-up time of power supplies
  • Systems and methods for extending hold-up time of power supplies
  • Systems and methods for extending hold-up time of power supplies

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Embodiment Construction

[0020] The invention can be embodied in many different forms. Representative embodiments are shown in the drawings and will be described in detail herein, with the understanding that these embodiments are illustrations or illustrations of the principles of the disclosure, and are not intended to limit the broad aspects of the disclosure. In this regard, elements and limitations disclosed, for example, in the Abstract, Summary, and Embodiment sections but not expressly recited in the claims should not be incorporated by implication, inference, or otherwise, individually or collectively, into the application examples. in range. Unless expressly denied, for the purposes of this detailed description: the singular includes the plural and vice versa; and the word "comprising" means "including but not limited to". In addition, the words about used herein, such as "about", "almost", "substantially", "approximately" and other similar words, can mean "located in, close to, or close to"...

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Abstract

The present invention provides a system and method for charging and discharging an energy-tank capacitor of a power supply unit (PSU) in a computing system. The power supply includes a forward converter, a buck converter, a switch box and an option box. A forward converter includes a transformer. A primary winding and a secondary winding of the transformer are respectively coupled to the input and output of the power supply. Two or more components of the forward converter are shared with the buck converter to support the functionality of the buck converter when enabled. The switch box contains the power switch and the controller switch connected to the forward converter. During the hold-up time, when the input power of the power supply is interrupted, the energy stored in the capacitor of the energy tank can support the power consumption of the server system.

Description

technical field [0001] The present disclosure relates to computer server systems, and more particularly to power supplies for computer server systems. Background technique [0002] Modern server farms or data centers typically employ large numbers of servers to handle the processing needs of various application services. Each server handles various operations and requires a certain degree of power consumption to maintain these operations. Some of these operations are "mission critical" operations, and interruptions to these operations may result in significant security breaches or revenue losses for users associated with these operations. [0003] However, transient fluctuations of AC power to the data center can be unpredictable. For example, power interruptions can originate from commercial power grids, which typically use vulnerable weather conditions (such as storms and flooding), equipment failures, and major switching Long transmissions affected by major switching o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/26H02J7/34H02J7/00
CPCG06F1/26H02J7/345H02J7/0063H02M3/33538H02M3/33546H02M3/33561H02M1/0096G06F1/263H02J7/0068H02M1/08H02M3/158H02M3/33576
Inventor 欧阳光华甯淑珍詹景翔施裕华郑骏龙
Owner QUANTA COMPUTER INC