一种供电装置
By combining solid-state transformers, inverters, and conversion circuits with energy storage devices and switch control, the problem of data center power supply devices being unable to meet the power needs of multiple devices is solved, achieving a stable and redundant power supply solution and ensuring the safe operation of equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING 21VIANET DATA CENT
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-17
AI Technical Summary
The power supply system of the data center cannot meet the different power types and voltage amplitude requirements of multiple devices, resulting in unstable power supply and failure to guarantee the normal operation of the equipment.
By combining a solid-state transformer, an inverter, and multiple conversion circuits, the solid-state transformer outputs DC power and the inverter outputs AC power. Combined with energy storage devices and switch control, it can achieve power supply with different voltage amplitudes and power types to meet the power needs of multiple devices.
It enables safe power supply to different devices within the data center, ensuring stable equipment operation and power redundancy, and avoiding the risk of power outages caused by grid failures.
Smart Images

Figure CN224520667U_ABST
Abstract
Claims
1. A power supply device, characterized in that, include: Solid-state transformers, inverters, and multiple conversion circuits; The input terminal of the solid-state transformer is used to connect to an AC power source, and the output terminal of the solid-state transformer is used to connect to a refrigeration device. The input terminal of the inverter is connected to the output terminal of the solid-state transformer, and the output terminal of the inverter is used to connect to the load. The input terminals of multiple voltage regulating circuits are connected to the busbar of the first power module in the solid-state transformer, and the output terminals of the multiple voltage regulating circuits are used to connect to the first energy storage device.
2. The apparatus of claim 1, wherein, The solid-state transformer includes multiple power modules. The input terminal of each power module is connected to one phase line of the AC power supply. The output terminals of the multiple power modules are connected together. The busbar of the second power module among the multiple power modules is used to connect to the second energy storage device. The phase line connected to the input terminal of each power module is different.
3. The apparatus of claim 2, wherein, The busbar of the third power module among the plurality of power modules is used to connect to the third energy storage device.
4. The apparatus of claim 3, wherein, The second energy storage device and the third energy storage device contain different types of batteries.
5. The device according to any one of claims 1 to 3, characterized in that The power supply device also includes a first switch connected between the output terminal of the solid-state transformer and the inverter.
6. The device according to any one of claims 1 to 3, characterized in that The power supply device also includes a plurality of second switches between the output terminal of the solid-state transformer and the refrigeration equipment, and the plurality of second switches are connected one-to-one with a plurality of refrigeration components in the refrigeration equipment.
7. The apparatus of claim 3, wherein, The power supply device also includes a third switch connected between the first energy storage device and the plurality of conversion circuits.
8. The apparatus of claim 3, wherein, The power supply device further includes a fourth switch connected between the second energy storage device and the second power module bus, and a fifth switch connected between the third energy storage device and the third power module bus.
9. The apparatus of claim 1, wherein, The power supply device also includes a controller, which is connected to all switches in the power supply device and is used to control the closing and opening of the connected switches.
10. The apparatus of claim 3, wherein, The power supply device also includes the first energy storage device, the second energy storage device, and the third energy storage device.