PowerWAVE 9250DPA Modular Uninterruptible Power Supply

Posted on 21st February 2019

PowerWAVE 9250DPA UPS system from Kohler Uninterruptible Power. The PowerWAVE 9250DPA is a true modular uninterruptible power supply system, scalable from 50kW up to 1.5MW, for medium power applications in critical,...

Blockchain and the need for scaling

Posted on 24th October 2018

Although cryptocurrencies like Bitcoin and Ethereum are sometimes controversial, they are having an undoubted impact on the financial sector. This is highlighted in an article[i] published in April 2018 by...

Going green: the role of a UPS

Posted on 26th April 2018

Data centre operators are under steady pressure to run a facility with visibly green attributes. Not only does this become increasingly important as electricity prices inexorably rise but it also...

Power protection for extended blackouts

Posted on 19th March 2018

A properly-designed online UPS provides its critical load with excellent protection from utility mains power disturbances and brief outages of a few seconds or possibly minutes. However, to ensure uninterrupted...

Energy efficiency and the Enhanced Capital Allowance

Posted on 19th March 2018

With a widely-acknowledged need to become greener and reduce global warming, governments worldwide are using both stick and carrot legislation to push domestic, business and industrial users into lower energy...

Centralised and Decentralised Static Switches

Posted on 16th February 2018

Centralised and Decentralised Static Switches Ideally, UPS power systems will fulfil the promise of its name, delivering clean, processed power at all times. Real data centres, however, ensure that their...

Progress in UPS Efficiency

Posted on 16th February 2018

Progress in UPS efficiency Data centre operators are under continuous pressure to improve UPS and other equipment efficiency. Several factors are driving this need; concerns about excessive energy usage relate...

Xtra VFI – maintaining UPS efficiency for diminished loads

Posted on 24th January 2018

Although modern transformerless UPSs offer a flat efficiency/load curve for loads of about 25% or more, efficiency will drop significantly at lower levels. However, a solution exists, in the form...

The role of generators: Covering short and long-term blackouts

Posted on 22nd January 2018

Data centres need protection from power abberrations during normal mains operations as well as complete and extended power blackouts. Although compromises can sometimes be made, the best and most comprehensive...

KUP Milestone: 20 Years of UPS Sales and Service

Posted on 19th December 2017

Hook, Hampshire, December 14, 2017: This December marks the 20th anniversary of Kohler Uninterruptible Power Limited (KUP), a Kohler company – one of the UK’s largest UPS sales and service companies....

Managing risk: Understanding the right topology for your critical load

Posted on 23rd November 2017

At the most general level, all modern static UPSs comprise a rectifier/charger, battery, inverter and static switch. These components allow the UPS to charge the battery when the utility supply...

Future trends for UPSs

Posted on 1st November 2017

What does the future hold for UPS technologies and systems? We asked Alan Luscombe, Director at KUP, for his views, as summarised below. Currently, the hottest topic is the lithium-ion...

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