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Whole cabinet server power supply module current sharing control system and method

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 the problems of poor current sharing compatibility, reduced reliability, and increased PSU failure rate, etc.

Active Publication Date: 2020-10-30
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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  • Whole cabinet server power supply module current sharing control system and method
  • Whole cabinet server power supply module current sharing control system and method
  • Whole cabinet server power supply module current sharing control system and method

Examples

Experimental program
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Effect test

Embodiment 1

[0058] Such as figure 1 As shown, the present invention provides a current sharing control system for server power modules in a complete cabinet, including a current sharing management module 1, a current sharing control module 2, a current sharing bus 3, a power supply status monitoring module 4, and several power supply modules 5;

[0059] The power supply module 5 includes a PWM control unit 14, a DC output unit 13 and a current equalizing line. The power supply status 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 equalizing line and the PWM control unit 14. connect;

[0060] The current sharing bus 3 is connected to the current sharing line of each power 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 monitoring module...

Embodiment 2

[0074] Such as figure 2 As shown, the present invention provides a current sharing control system for server power modules in a complete cabinet. The power module 5 also 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 side transformer unit 10, secondary side transformer unit 11 and low voltage rectifier unit 12;

[0075] AC input unit 6, PFC step-up 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 rectification 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 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 to the PFC boost and power factor correction unit 7 and th...

Embodiment 3

[0082] The present invention provides a current sharing control method for a server power module of a whole cabinet, which includes 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 voltage 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, and realize the roughness of the voltage of each power module Tune.

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Abstract

The invention provides a whole cabinet server power supply module current sharing control system and method. The system comprises 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 comprises a PWM control unit, a DC output unit and a current sharing line, the power supply state monitoring module is connected with the PWM control unit and the DC output unit, and 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 line of each power supply 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 state monitoring module and the current sharing control module; and the current sharing bus realizes uniform distribution ofsystem loads among the power supply modules for current sharing through analog signaling setting among the power supply modules. Manual intervention is not needed, the system monitors the state of the power supply module in a closed-loop mode, the power supply module is adjusted in a closed-loop mode, and accurate current sharing is achieved.

Description

technical field [0001] The invention belongs to the technical field of current equalization of server power supplies, and in particular relates to a current equalization control system and method for a server power supply module of a complete cabinet. Background technique [0002] PSU, short for Power Supply Unit, power 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, cabinet servers with centralized power supply have been widely used in many fields. In the whole rack server architecture, the monitoring module RMC is an indispensable and important part. In its application, it needs to record the power changes of each power module in the whole rack and reflect the working status of t...

Claims

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Application Information

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