Centralised and Decentralised Static Switches

Posted on 16th February 2018

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

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...

Warning Signals

Posted on 22nd January 2018

Some UPSs need just simple communications capability to warn their critical load of an impending failure. Larger, more complex or widely distributed systems benefit in many ways from more sophisticated,...

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...

UPS topologies

Posted on 1st November 2017

Modern, static UPS systems are classified as either on-line or off-line, with some off-line variants known as line-interactive types. Nearly all data centres and other application with critical loads will...

Power backup solutions for all events

Posted on 23rd October 2017

Today, a typical organisation’s performance is only as good as its ICT resource - which depends in turn on the quality and continuity of its power supply. Accordingly, data facilities...

Maintaining UPS efficiency when the load size diminishes

Posted on 30th August 2017

Modular UPS technology, as implemented in systems such as KUP’s PowerWAVE 9500DPA, is now being exploited in a smart solution that maintains UPS efficiency even when the UPS load is...

Avoiding stadium power failure

Posted on 30th August 2017

In their in-depth ‘Football Stadiums: Technical recommendations and requirements’[i] guide, FIFA writes: “The delaying or cancellation of an event due to the loss of electrical mains is unacceptable. A careful...

It’s not just about power blackouts

Posted on 17th August 2017

While UPSs provide essential battery backup in the event of a mains failure, they also protect their critical load from mains disturbances during normal operation. Alan Luscombe, director at Kohler...

How to size a UPS correctly for its application

Posted on 13th July 2017

Once a site’s need for a UPS has been established, KUP has identified six fact-finding stages about the application’s requirements necessary to ensure the UPS installation’s ultimate success. These relate...

Kohler Uninterruptible Power

UPS General