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What does the 'Design Life' of a battery mean?
Battery quality can be determined by the ‘design life’, typically between 5-12 years for VRLA batteries. The ‘design...
What is a Static Inverter?
A static inverter is virtually the same as a UPS system except they are configured to operate in 'active standby' mode with the bypass...
Different Types Of UPS Batteries
There are three main types of batteries used in uninterruptible power supplies: Nickel-Cadmium, Lead-Acid, and Lithium-Ion. There...
What Should A UPS Preventive Maintenance Visit (PMV) Include?
Preventive Maintenance Visits (PMVs) are one of the key services included in an ongoing UPS maintenance plan. It is recommended that a...
What Does A UPS Group Synchroniser Do?
A UPS Group Synchroniser (UGS) is a device that harmonises the outputs from two separate groups of UPS systems operating in parallel,...
Single or Three phase UPS?
There are many aspects which affect the choice of module. Totally single phase units are rarely available beyond 20 kVA, above this size it is...
What’s The Role Of Capacitors In A UPS System?
Capacitors in an uninterruptible power supply help to smooth, filter and store energy. A UPS includes dozens of different capacitors in both...
What’s The Difference Between A Central Power Supply System And A UPS?
Central Power Supply Systems (CPSS) are a specific type of standby power solution used with emergency and...
What is a 'Line Interactive' UPS?
Line interactive technology sits between offline and online. The load is fed from mains during normal operation, however unlike...
What’s The Difference Between Linear And Non-Linear Loads?
AC electrical loads are referred to either as linear or non-linear depending on how they draw current from the mains power supply...

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