Data center power challenge, resolved

UPS (uninterruptible power supply) units are critical to keeping your data center up and running, but how should you choose among all the configuration options? The first step is to determine your goals and requirements for your facility, then to know what design options are available. Jeff Clark at Data Center Journal digged deeper into that issue and published a blog post that helps to determine the goals and requirements for your facility and to match it with the best design options (“Which UPS Configuration Is Right for You?“).

There is almost nothing more to add to Clark’s advice – except for one thing. As we know from our experience, the reduction in footprint has many obvious benefits in space-critical data center environments. UPS design done right can even boost this advantage. The colleagues at UPSpower.co.uk provide an article, that shows how to choose a UPS with the technology and configuration needed to protect the data center it serves. Essentially, the authors highly recommend transformerless modular design to achieve all the possible future requirements for a data center UPS installation.

Here’s why:

Transformerless design results in UPSs that are considerably reduced in size and weight, as well as being more efficient. […] These improvements in efficiency contribute significantly to reducing data centers’ energy consumption, because energy demands for cooling as well as for feeding the critical load are reduced.
[…]
Further, less obvious, but equally important benefits also arise; availability and scalability. The reduced dimensions mean that modular transformerless units become practical. Therefore, scaling to meet a growing data centre’s increased demand for protected power capacity can be done easily by incrementally adding UPS modules. Overall UPS availability can be improved with an N+1 configuration, in which N represents the number of modules required to fully support the critical load. In such a configuration, the failure of a single module becomes invisible to the load.
[…]
Scalability to meet data centres’ changing demands, and availability through N+1 redundancy can be provided through an incremental, modular approach, even on large systems up to 5 MVA.”

The above shows that state-of-the-art UPS technology achieves a high level of protection with a low carbon footprint. If you are interested in further assistance, feel free to contact us.

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