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Viewing category 'Power Management'

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Edge computing coupled with 5G mobile wireless technology promises to be the next stage in the 5th industrial revolution and to provide the bridge to many new services, some of which are still ideas in their nascent stage of ‘if I had an App for this…’

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Energy efficiency is a key metric within server rooms and datacentres. For many colocation and hyperscale datacentres, monitoring how efficiently energy is used is as much about benchmarking as it about reducing electricity bills.

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Most uninterruptible power supplies above 10kVA have the facility for parallel operation. This means that two or more UPS systems can be connected in parallel to provide N+X resilience or increased total capacity.

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Technology refreshes provided opportunities to improve several operational performance and service areas within a datacentre and server room. Budgets allowing, progressive organisations have a hardware replacement policy for the major assets they operate. However, this tends to focus on ‘operational’ equipment rather than the hardware that is sometimes considered part of the support infrastructure. Examples here include cooling and uninterruptible power supplies. Managing the life cycle and refresh of these critical systems can give rise to major operational improvements.

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There are several key choices to make when it comes to selecting the right uninterruptible power supply to install with a server rack. These include not only the topology but the load size, form factor, runtime, access for maintenance and connectivity.

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There is often confusion as to the roles played by UPS systems and generators in critical power protection plans. This is more so now that lithium-ion batteries are also turning uninterruptible power supplies into what are now termed as energy storage systems. What’s the key differences between a UPS and generator?

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When it comes to uninterruptible power supplies there are several key choices to make. Get it right and you will have a perfectly sized UPS system that will give you years of protection. So how do you go about choosing a UPS system that is right for your systems?

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In a server room or data centre environment, single phase UPS systems can play a critical role keeping file servers and IT networks running during a power outage. Even when the mains power supply is present a single-phase UPS can provide protection from mains borne power problems.

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Power supply design is one of the key decisions that must be taken whenever building a new server room or refurbishing and existing one. There are several elements to consider even for a single stack rack cabinet if you are to ensure that your server installation can run through power outages.

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Sometimes it is easy within a server room or data centre environment to take for granted the relative ease with which we can simply plug IT network servers and peripherals into a PDU outlet or UPS powered socket. These connections form the final element of what we term the ‘critical power’ path. They are the result of time spent planning the electrical circuits to ensure power availability whether there is a mains power supply failure or downstream overload or server fault condition.

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Within a server room or datacentre environment an uninterruptible power supply should be sized to meet day-one loads and provide additional capacity for future expansion. A UPS system is just one element of the critical power path which can also include building incomers, transformers, LV switchboards, switchgear, distribution panels and power distribution units. It is critically important that each element is sized correctly and there are two ways to calculate the power being drawn which can be measured in VA or Watts.

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Whenever you are designing a new server room facility or adding additional IT kit to an existing one you need to be aware of the existing electrical infrastructure as well as the loads you expect to connect. The electrical infrastructure within a building can be traced back to a building incomer and this will be supplied externally to the building via a grid transformer.

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There are two fundamentals to cover when designing server room in terms of critical infrastructure. The first is cooling and the sizing of an air conditioning system to remove heat generated by the servers and provide a suitable working ambient. The second is the choice and sizing of a suitable uninterruptible power supply.

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The UPS system or uninterruptible power supply that we know today evolved from the oil industry and its need for backup power protection for computer operations in the 1960s. Today’s UPS systems provide a similar solution, but the world of backup power has changed dramatically since that period driven by a host of factors and technological developments.

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Whilst many everyday people are still trying to come to terms with and understand what ‘Cloud’ computing means along comes ‘Edge’ computing. The two are in fact inherently related.