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As data centres become increasingly critical to the global economy, ensuring uninterrupted power is paramount. With uninterruptible power supplies (UPS) at the heart of the critical power path, the choice of battery technology plays a key role in improving resilience, lowering operational costs, and enhancing uptime.

Almost every business and organisation will have an IT element that will be protected with an uninterruptible power supply. Whether it’s a server room or data centre UPS or smaller system protecting a single server or IoT element, the amount of runtime available will depend on the ‘health’ of the UPS batteries.

The way that we are using energy is changing. Hybrid cars are just one example where traditional petrol and diesel engines are combined with lithium-ion batteries to provide a more environmentally friendly form of transportation. Today, new battery and energy storage technologies and advances in on-site power generation allow a server room or data centre to adopt a greener power solution, with lower emissions and one that could be more sustainable in the future.

Within any power protection system, the type of battery installed can critically impact on the overall performance of the uninterruptible power supply. Aside from different battery brands, sizes, performance specifications and design lives, there are different technologies including valve regulated lead acid (VRLA) and lithium-ion. Whichever is selected, the battery installation must be reliable and cost-effective if it is to provide sufficient power to the UPS system when required and provide the best possible Total Cost of Ownership.

Server rack densities are increasing and have quadrupled over the last 9 years from 2011 to 2020. From 2.4kW/rack to 8.4kW/rack according to the latest survey by the Uptime Institute. What affect are these increasing demands having on server rack deployment, power protection and cooling system arrangements and what is the primary cause of data centre outages.

The energy efficiency of your data centre UPS is important for two critical reasons. The first is running costs and the second is related to the battery runtime available when the mains power supply fails. An undersized UPS is often immediately obvious as load is applied on start-up but may not always be so. Intermittent overloading can occur if there is marginal capacity for extra load. Oversizing can also be an issue, whilst providing what can prove to be a false sense of security.

Availability is a key measure for a server room and data centre design. The key performance indicator is a percentage of the time an IT facility is operational, compared to the total period being measured and is often express in ‘nines’

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Viewing category 'Data Centre UPS'

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