Power supply device with output in multiple voltage levels

Abstract

The invention discloses a power supply device with output in multiple voltage levels, so as to integrate multiple DC voltage levels to an integrated DC power supply, provide power output in multiple DC voltage levels through one power supply device and thus improve the environment of a distribution engine room, the safety, the efficiency, the mounting and the maintenance. The power supply device with output in multiple voltage level is characterized by comprising a plurality of groups of input and output busbars, wherein the plurality of groups of input and output busbars comprise an AC input busbar, a first-level DC voltage output busbar and a second-level DC voltage output busbar; the AC input busbar is connected with the first-level DC voltage output busbar through a first-level AC to DC rectifier module array; the first-level DC voltage output busbar is connected with the second-level DC voltage output busbar through a second-level DC to DC rectifier module array; the first-level DC voltage output busbar is provided with an interface connected with a first-level DC voltage load; and the second-level DC voltage output busbar is provided with an interface connected with a second-level DC voltage load.

Description

technical field [0001] The present invention relates to power supply technology, in particular to a power supply device with output of multiple voltage levels, which is beneficial to the integration of power supply, that is, integrating multiple DC voltage levels into an integrated DC power supply, and providing multiple DC voltage levels through one power supply device The power output can meet the coexistence of power supplies of different voltage levels in various computer rooms, thereby improving the environment, safety, efficiency, installation and maintenance of the power distribution room. Background technique [0002] In communication systems, data processing, storage, transmission systems, and communication data hybrid systems, special power supply and power distribution equipment are generally required, such as communication room, data room, integrated information room, outdoor communication base station, etc. Various computer rooms in the prior art (abbreviated as...

AI Technical Summary

Problems solved by technology

The inventors found that the existing problems in the machine room: 1. The reliability of the AC UPS power supply is low, the system security is low, the efficiency is low, and the maintenance difficulty is high

2. The maintenance of the UPS battery pack is difficult, and it is easy for the UPS to fail to start due to the battery after the power system fails.

3. Multiple sets of backup battery packs require heavy maintenance workload, high management costs, and high maintenance and replacement costs

4. A variety of power supply equipment, the maintenance work is complex, the workload is heavy, and the maintenance management cost is high

Images