Centralized UPS Architecture for Multi-Branch Data Center Power
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Solution Overview
Problem
Existing power supply systems in data centers have low utilization of uninterruptible power supplies (UPS) due to short discharging times, leading to limited backup duration and increased costs and volume, with poor security and management challenges.
Innovation Solution
A centralized power supply system where one UPS supplies power to multiple power consumption branches, reducing the number of UPS units, enhancing management and monitoring, and improving security, while the UPS has a medium voltage processing capability to efficiently handle electrical energy within a range of 6 kV to 35 kV.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a distributed power supply system with multiple UPS units is used in each power consumption branch, then power supply reliability is improved, but device complexity and management difficulty increase
Solution Approach 1:
The patent merges multiple distributed UPS units into a single centralized UPS system. The centralized UPS is connected to multiple power consumption branches through a switching device, consolidating what would have been multiple separate UPS installations into one unified system. This reduces overall device complexity while maintaining power supply reliability through centralized control and monitoring.
Solution Approach 2:
The centralized UPS system is designed to serve multiple power consumption branches simultaneously, making it a universal power supply solution. The switching device enables the single UPS to dynamically allocate power to different branches, providing multi-functional capability that replaces multiple specialized UPS units.
2Reliability
If each power consumption branch has its own UPS unit, then local power supply independence is improved, but management and monitoring efficiency deteriorate
Solution Approach 1:
The patent combines multiple independent UPS management functions into a single centralized management interface. The switching device and control system allow operators to monitor and manage all power consumption branches through one system, dramatically improving management efficiency while maintaining the ability to provide independent power supply to each branch when needed.
3Power
If transformers convert 10 kV to 400 V in each power consumption branch, then local voltage conversion is improved, but transmission cable volume and cost increase
Solution Approach 1:
The patent extracts the voltage conversion function from each individual power consumption branch and consolidates it into a single centralized transformer connected to the UPS. This eliminates the need for multiple distributed transformers and their associated thick transmission cables, reducing overall cable volume and system cost while maintaining the required voltage conversion capability for power distribution.
Data Source
AI summary
This application provides a power supply system. The power supply system includes first switch module, an UPS, and a plurality of power consumption branches. An input end of the first switch module is connected to a plurality of power supply apparatuses. An output end of the first switch module is connected to an input end of the UPS. The first switch module is switched between the plurality of power supply apparatuses to supply power to the UPS. An output end of the UPS is connected to each power consumption branch. The UPS is configured to receive electric energy and input a first voltage to each power consumption branch. Each power consumption branch includes a first transformer module and at least one power consumption load. The first transformer module is configured to convert the first voltage into a second voltage, and then provide the second voltage to the power consumption load.