Data Center Busway Segmentation for Stranded Power Recovery
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Solution Overview
Problem
Data centers face significant waste of power resources due to stranded power and underutilization of electrical infrastructure, exacerbated by variability in power needs of workloads and fixed PDU capacities, leading to inefficiencies in power distribution.
Innovation Solution
Implementing a segmented and flexible busway system that allows multiple PDUs to provide power to the same row of server racks, enabling load balancing and recovery of stranded power through flexible power distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed PDU capacity is used to distribute power, then the electrical infrastructure is simplified and easier to manage, but stranded power occurs and power utilization efficiency deteriorates
Solution Approach 1:
The patent segments the power distribution system by dividing busways into multiple interchangeable segments that can be reconfigured. This allows flexible redistribution of power capacity across different PDU groups without changing individual PDU specifications, thereby eliminating stranded power while maintaining infrastructure simplicity.
Solution Approach 2:
The patent implements dynamic power distribution by allowing busway segments to be reconfigured based on real-time power capacity utilization. When one group of PDUs has unused capacity, busway segments can be moved to connect underutilized PDU capacity to server racks that need power, transforming the static power distribution into a dynamic system.
2Adaptability or versatility
If workloads are deployed at row level rather than rack level, then deployment flexibility is improved, but load balancing across PDUs becomes more difficult and power utilization deteriorates
Solution Approach 1:
The patent segments both the power distribution infrastructure (busway segments) and the workload deployment units (server racks). This dual segmentation allows workloads to be deployed flexibly at row level while simultaneously enabling fine-grained load balancing at the rack level by moving individual racks between different power sources.
Solution Approach 2:
The patent introduces movable busway segments as intermediaries between PDUs and server racks. These busway segments act as flexible connectors that can be repositioned to optimize the connection between power capacity and workload requirements, enabling both row-level deployment flexibility and rack-level load balancing.
3Loss of energy
If maximal power capacity utilization is pursued, then existing infrastructure is better utilized, but additional infrastructure investment is delayed which may be needed for growing workloads
Solution Approach 1:
The patent creates a dynamic power distribution system that can adapt to growing workload demands by reconfiguring existing busway segments. This allows the data center to maximize utilization of existing infrastructure capacity before investing in new equipment, while still having the flexibility to accommodate growth through reconfiguration rather than immediate expansion.
Solution Approach 2:
The patent changes the operational parameters of the power distribution system by allowing busway segment reconfiguration. This enables the system to operate at different capacity distributions across PDUs, optimizing power utilization across the existing infrastructure before additional infrastructure is required.
Data Source
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AI summary
Methods, systems, and apparatuses are described that enable the recovery of stranded power in a data center. For example, a power distribution system for recovering stranded power in a data center includes a first power distribution unit (PDU), a first busway segment that is operable to electrically connect the first PDU to a first set of server racks in a first row of server racks, a second busway segment that is operable to electrically connect the first PDU to a second set of server racks in a second row of server racks, a second PDU, a third busway segment that is operable to electrically connect the second PDU to a third set of server racks in a third row of server racks, and a fourth busway segment that is operable to electrically connect the second PDU to a fourth set of server racks in the second row of server racks.