| 摘要 |
<p>A power supply system module 1 comprises first and second AC terminals AC1, AC2, positive and negative DC terminals DCP, DCN and a housing 2. An AC-DC converter 10 is connected to the first and second AC terminals, and a DC-DC converter 11 is connected between the AC-DC converter and an internal DC bus 12. A protection circuit 14 is connected between the internal DC bus and the positive or negative DC terminal. A control device 13 is provided for controlling the AC-DC converter and/or the DC-DC converter. The power supply system module further comprises a backup battery device 20 comprising a backup battery 21 connected to the internal DC bus via a battery management system 22. A battery monitoring and control system may be provided to monitor the status of the backup battery and control the current flow between the backup battery and the internal DC bus. The power supply system module may be a computer server or a data center.</p> |
