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Can I support Air-Conditioning on my UPS?
Air-Conditioning can be considered as a “dirty” load due to continual switching causing voltage and current spikes and surges. The...
Input filters or 12 pulse rectifiers?
With current recommendations demanding lower levels of input harmonics (THDi) it is more common for larger systems to require some form of input...
Why do you need a UPS?
An Uninterruptible Power Supply (UPS) is used to protect critical loads from mains supply problems, including spikes, voltage dips, fluctuations...
What should be considered when selecting a battery?
Type of enclosure - Sealed or Vented - Design life 5, 8 to 10 or 10+ years - Standard or BS6290 part 4 compliant - Battery Autonomy - Floor...
When would I need a Generator?
Generators are usually used where there is likelihood that the load cannot be off for any length of time or in areas where the mains supply is...
What is a Brownout?
A brownout, sometimes also called a ‘sag’, is a "dip" in the voltage level of the electrical line. When a brownout occurs,...
What is ECO mode?
ECO mode is often referred to as 'Active Standby' and is mainly used on sites where the general mains supply is relatively stable or the...
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...
What does Autonomy mean?
The battery duration at a specified load level is referred to as the battery “autonomy”. A UPS battery can be sized to support loads...
Why install a Bypass Isolation Transformer?
When generators are installed, it is common to use four pole changeover switchgear or contactors when transferring from mains to generator,...

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