Micro Automatic Transfer Switches for Redundant Power Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Data centers face challenges in scaling power distribution to meet increasing demands due to high CPU power consumption and frequent changes in load, leading to issues like power outages and inefficient use of rack space, particularly with traditional power monitoring and single power supply systems.
Innovation Solution
The development of a high switch density automatic transfer switch (ATS) system that allows for efficient power distribution with minimal rack space usage, incorporating multiple ATS units in a compact form factor to switch between power sources and optimize power delivery, including locking power cord technologies for secure delivery in seismically active areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional power distribution systems are used with single power supplies, then device complexity is reduced, but reliability deteriorates due to power outages and inability to handle load changes
Solution Approach 1:
The power distribution system is segmented into multiple independent ATS units, each serving specific equipment or circuits. This segmentation allows individual units to fail without affecting the entire system, improving reliability while managing complexity through modular deployment
Solution Approach 2:
Multiple ATS units are combined within a single enclosure to provide redundant power distribution. The merging of multiple units in one location achieves high reliability through redundancy while containing the physical footprint, effectively managing the complexity-reliability tradeoff
2Reliability
If multiple ATS units are deployed to provide redundant power distribution, then reliability is improved, but rack space consumption increases
Solution Approach 1:
Multiple ATS units are merged into a single shared enclosure, allowing redundant power distribution while consolidating the physical space required. This approach provides N+1 redundancy without requiring N separate enclosures, significantly reducing rack space consumption
Solution Approach 2:
The shared enclosure serves multiple functions by housing multiple ATS units that can serve different equipment or circuits. This multi-functionality allows a single enclosure to provide redundant power distribution across multiple loads, optimizing rack space utilization
3Measurement precision
If power monitoring devices are used to detect power draw, then measurement precision is improved, but response time to power failures deteriorates
Solution Approach 1:
ATS units continuously monitor power conditions and pre-position switching mechanisms ready for immediate action. This preliminary preparation allows the system to detect power failures and execute switching without delay, addressing both measurement precision and rapid response requirements
Data Source
AI summary
Systems and methods are provided for reliable redundant power distribution. Some embodiments include micro Automatic Transfer Switches (micro-ATSs), including various components and techniques for facilitating reliable auto-switching functionality in a small footprint (e.g., less than ten cubic inches, with at least one dimension being less than a standard NEMA rack height). Other embodiments include systems and techniques for integrating a number of micro-ATSs into a parallel auto-switching module for redundant power delivery to a number of devices. Implementations of the parallel auto-switching module are configured to be mounted in, on top of, or on the side of standard equipment racks. Still other embodiments provide power distribution topologies that exploit functionality of the micro-ATSs and/or the parallel micro-ATS modules.