Tuesday, 28 October 2014

What To Consider When Choosing UPS

By Armando Rodriguez


Uninterruptible Power Supply (UPS) is an electronic device that offers battery backup service to computers or other devices during power interruptions. They therefore allow your devices to shut down safely in case of power outages. Another function of UPS is to protect your device from over-voltages and brow-outs. Choosing UPS system that suits your need can improve performance of your devices.

Ensure that you choose a UPS that has enough power supply. Peripherals attached to your computer should not demand more power than your UPS battery capacity. A good battery backup system should detect the power output and make an alert if over-voltages or power insufficiency is noted. Some devices may also require more power on start up or during heavy usage; and furthermore, you might need to invest more to get better UPS system.

You would also have to consider the run time of the UPS. This will determine for how long the backup system will give you power. When using devices that consume power faster, you might experience less run time. To understand the UPS run time, consider the power requirements off each device, bearing in mind that devices use more power during booting or overworking.

Another type of UPS system is on-line interactive type that features an inbuilt transformer. The system will detect changes in power supply to ensure that your computer hardly goes to battery power unless the current supply is too low. It is not advisable to use such a UPS system during a frequently power interrupted period to avoid consecutive switching to battery power, since such a process may impact negatively on the battery capacity or lifespan.

There is also an on-line interactive type that has an inbuilt transformer that controls the AC voltage when too high or too low. This ensures that the device battery will be used only when incoming power supply drops too low. Too much power interruptions can damage your battery as the UPS keeps on switching to battery. This will reduce your battery usage lifetime and the battery capacity.

There is also a dual conversion type UPS system that is the most advanced battery protection and backup mode. Power is broken down to DC and perfectly reconstructed to AC by the inverter with no transfer switching time. The process will eliminate any incoming line noise or surge, as it adjusts to high or low voltages and produces perfect AC power. This will ensure that your battery power remains intact unless when there are power outages.

It is also of importance to consider how your backup system output power. This has to do with the actual sine wave power from an AC current. Some backup systems may not output the correct sine wave power but instead convert the power to square wave. This may not support power consuming devices like wireless routers and they may go off or get damaged in the process. To ensure you get the best value for money, consider trying the dual conversion UPS systems.

It is also critical to consider the UPS power outlet or socket where you plug in devices. Some battery backup systems may have sage only outlets that offer protection only against electrical noise and surges but not outages or blowouts. A good UPS should also have cable ports, phone jacks and Ethernet that allow their protection against surges and spikes.




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