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Multi-source energy storage DC power supply device and UPS equipment

A DC power supply, source storage technology, applied in circuit devices, battery circuit devices, collectors, etc., can solve the problems of loss, important data not saved in time, abnormal power supply of the grid, etc., to prevent the loss of important data, improve backup capabilities, The effect of prolonging the service life

Active Publication Date: 2019-12-17
ZHANGZHOU KEHUA ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the characteristics of the battery itself, the cycle life of the battery is short, and it is prone to battery failure. Once the battery fails, the UPS equipment will lose its backup capability. The problem that important data is lost due to failure to save it in time

Method used

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  • Multi-source energy storage DC power supply device and UPS equipment
  • Multi-source energy storage DC power supply device and UPS equipment

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Embodiment Construction

[0032] The core of the present invention is to provide a multi-source energy storage DC power supply device and UPS equipment, which reduces the utilization rate of the storage battery to a certain extent, prolongs the service life of the storage battery, and improves the overall backup capacity of the backup power supply.

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] Please ref...

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Abstract

The invention discloses a multi-source energy storage DC power supply device and UPS equipment. A backup power supply of the UPS equipment comprises a storage battery and a super capacitor, wherein the cycle life of the super capacitor is far longer than that of the storage battery, therefore, the super capacitor is preferentially used for supplying power to a DC bus when the mains supply is interrupted, the storage battery supplies power to the DC bus when the super capacitor is out of power, so the utilization rate of the storage battery is reduced to a certain extent, the service life of the storage battery is prolonged, moreover, when one backup power supply of the super capacitor and the storage battery breaks down, the other backup power supply can provide the certain backup time forthe system to store important data so as to prevent the important data from being lost, and thereby the overall backup capacity of the backup power supply is improved.

Description

technical field [0001] The invention relates to the field of UPS backup power supply, in particular to a multi-source energy storage DC power supply device and UPS equipment. Background technique [0002] UPS (Uninterruptible Power Supply, uninterruptible power supply) equipment is widely used in large wind power master control and converter systems to provide stable and uninterrupted power supply for the loads in the system. At present, the working principle of UPS equipment is: when the mains power is normal, the UPS equipment rectifies the mains power into direct current through the AC / DC converter, and then inverts the direct current into alternating current through the DC / AC converter to supply the system load (rectification The purpose of the inverter is to stabilize the mains voltage); when the mains is interrupted, the UPS equipment immediately connects the DC power stored in its own backup power supply to the DC bus in the equipment (that is, the DC bus between the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06H02J7/34
CPCH02J9/061H02J7/345Y04S20/20Y02B70/30
Inventor 陈阳源朱单单曾松彬
Owner ZHANGZHOU KEHUA ELECTRIC TECH CO LTD
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