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When Should You Use Emergency Power Off (EPO) With A UPS System?
Emergency Power Off (EPO) functionality enables an uninterruptible power supply and other related equipment such as...
What Are Voltage Spikes And Transients?
Voltage spikes and transients are fast-moving, high-energy bursts lasting for just a few milliseconds that are superimposed onto the...
What Does Power Factor Mean With A UPS?
Often abbreviated to simply (pf), power factor 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 Temperature Compensated UPS Battery Charging?
Temperature compensated charging helps to prolong battery life by dynamically adjusting the voltage depending on the ambient temperature. In...
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 UPS Battery Impedance Testing?
Impedance testing for UPS batteries is a non-intrusive way of preventing battery failure by identifying early signs of weakness...

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