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A current sharing control system and method for a power supply module of a whole cabinet server

A technology of flow control system and power module, which is applied in the field of current sharing control system of server power module in the whole cabinet, which can solve problems such as poor current sharing compatibility, increased PSU failure rate, and reduced reliability, achieving accurate current sharing and reducing The failure rate and the effect of avoiding large power deviation

Active Publication Date: 2022-07-08
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Aiming at the disadvantages of the above-mentioned existing complete cabinet servers in the prior art that adopt simple parallel current sharing, resulting in increased PSU failure rate, reduced reliability, and poor current sharing compatibility, the present invention provides a current sharing control for power supply modules of complete cabinet servers System and method to solve the above technical problems

Method used

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  • A current sharing control system and method for a power supply module of a whole cabinet server
  • A current sharing control system and method for a power supply module of a whole cabinet server
  • A current sharing control system and method for a power supply module of a whole cabinet server

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Embodiment 1

[0058] like figure 1 As shown, the present invention provides a current sharing control system for a power supply module of a whole cabinet server, comprising a current sharing management module 1, a current sharing control module 2, a current sharing bus 3, a power supply state monitoring module 4 and a plurality of power supply modules 5;

[0059] The power supply module 5 includes a PWM control unit 14, a DC output unit 13 and a current sharing line. The power supply state monitoring module 4 is connected to the PWM control unit 14 and the DC output unit 13. The DC output unit 3 is also connected to the current sharing line and the PWM control unit 14. connect;

[0060] The current sharing bus 3 is connected with the current sharing line of each power supply module 5;

[0061] The current sharing control module 2 is connected with the PWM control unit 14 of each power supply module 5;

[0062] The current sharing management module 1 is connected to the power state monitor...

Embodiment 2

[0074] like figure 2 As shown in the figure, the present invention provides a current sharing control system for a power supply module of a whole cabinet server. The power supply module 5 further includes an AC input unit 6, a PFC boost and power factor correction unit 7, an energy storage unit 8, a power switch unit 9, a primary side transformer unit 10, secondary side transformer unit 11 and low voltage rectifier unit 12;

[0075] AC input unit 6, PFC boost and power factor correction unit 7, energy storage unit 8, power switch unit 9, primary side transformer unit 10, secondary side transformer unit 11, low voltage rectifier unit 12 and DC output unit 13 are connected in sequence;

[0076] The PWM control unit 14 is connected with the power switch unit 9 and the DC output unit 13;

[0077] The power supply module 5 also includes a current trend prediction unit 15 and a PFC control unit 16;

[0078] The current trend prediction unit 15 is connected with the PFC boost and ...

Embodiment 3

[0082] The present invention provides a current sharing control method for a power supply module of a whole cabinet server, comprising the following steps:

[0083] S1. Set the current sharing on the current sharing bus through the analog signaling between the power modules;

[0084] S2. Detect whether the voltage of the current-sharing bus is the average value of the voltages of each module, and when the difference between the voltage of the current-sharing bus and the average value of the power supply of each module exceeds the threshold, adjust the PWM pulse width to change the output voltage of the power module, so as to realize the roughness of the voltage of each power module. tune.

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Abstract

The invention provides a current sharing control system and method for a power supply module of a server in a whole cabinet. The system includes a current sharing management module, a current sharing control module, a current sharing bus, a power supply state monitoring module and a plurality of power supply modules; the power supply module includes a PWM control module. unit, DC output unit and current sharing line, the power supply status monitoring module is connected with the PWM control unit and the DC output unit, the DC output unit is also connected with the current sharing line and the PWM control unit; the current sharing bus is connected with the current sharing of each power module The current sharing control module is connected with the PWM control unit of each power supply module; the current sharing management module is connected with the power supply status monitoring module and the current sharing control module; the current sharing bus is realized through the analog signaling settings between the power modules The even distribution of the system load among the power modules for current sharing. The present invention does not require manual intervention, the system monitors the state of the power supply module in a closed-loop, and adjusts the power supply module in a closed-loop to achieve accurate current sharing.

Description

technical field [0001] The invention belongs to the technical field of server power supply current sharing, and in particular relates to a current sharing control system and method for a server power supply module of a whole cabinet. Background technique [0002] PSU, short for Power Supply Unit, power supply module. [0003] PWM, short for Pulse Width Modulation, pulse width modulation controller. [0004] CPLD, short for Complex Programmable Logic Device, complex programmable logic device. [0005] RMC, RACK Management Controller, server cabinet management controller. [0006] With the rapid development of network services such as the Internet, the whole cabinet server with centralized power supply has been widely used in many fields. In the whole rack server architecture, the monitoring module RMC is an indispensable part. In application, it is necessary to record the power changes of each power supply module in the whole rack, and timely reflect the working status of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/30
CPCG06F1/30Y02B70/10
Inventor 滕学军
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD