FAQs

FAQs

Search our knowledge base

All

What Does Power Factor Mean With A UPS?
Power factor (pf) is the difference between actual energy consumed (Watts) and the apparent power (Volts multiplied by...
What’s The Difference Between Parallel Capacity (N) And Parallel Redundancy (N+) UPS Systems?
Uninterruptible power supplies operating in parallel refers to when the outputs of two or more UPS are connected to supply the load...
What is a Temperature Compensated Charger?
Variations in ambient temperature presents the greatest threat to battery installations. Special circuitry can be incorporated in the UPS to...
What’s In An Onsite UPS Crash Kit?
Crash kits are handy collections of the spare parts and consumables in a UPS system that require repairing or replacing the...
What Role Do Fans Play In A UPS?
Uninterruptible power supply fans play a crucial role in keeping electronic components such as the inverter and rectifier...
What Is UPS Efficiency And How Is It Calculated?
UPS efficiency is based on how much of the original incoming power is needed to operate the UPS. For example,...
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...
What Is Battery Impedance Testing?
Impedance testing for batteries is a non-intrusive way of preventing battery failure by identifying early signs of weakness...
What Does A Power Conditioner Do?
A power conditioner is a device used to protect sensitive loads by smoothing out voltage fluctuations such as spikes,...
How Is UPS Resilience Measured (MTBF, MTTR, Availability)?
There are two key concepts to measuring the resilience of an uninterruptible power supply: Reliability covers the ability of...

←
1
2
3
4
5
6
→