A single utility source is normally how each of us manages on a daily requirement for energy. Beware of this, as this lone supplier may feel overloaded at times and decide to cut off its’ energy supply. It is in such a situation that we need an UPS to provide us with an uninterrupted power supply.  But how can we tell which one is good for us?

As is known, uninterruptible power supplies or UPS are a back up source of energy that provide emergency power to devices that are connected to it until the main utility source is restored or the equipment safely switched off. An uninterrupted power supply system can be considered a life saving device as it helps avoid serious situations such as fatalities that could occur in a hospital due to a lapse in power supply or a loss of important data and many other grave power disruptions.

But how can we tell which uninterruptible power supply is appropriate for us. The on-line and the line interactive UPS systems are the two primary kinds of uninterruptible power supplies. The on-line uninterruptible power supply utilises the ‘double conversion’ technology wherein it takes in the AC input that is available from the main utility source and converts it into DC power, which is required for it to pass through the battery and again changes it back to AC power to run the connected equipment.

The line interactive uninterruptible power supplies have an internal or in-line inverter that transmits the DC power of the battery from the standard charging form to supplying energy during an emergency power failure. This UPS system is similar to the stand by or off-line UPS system but it has a flexible electrical transformer that has the ability to increase or decrease the magnetic field and therefore produce a different voltage to that of the transformer. Without using up the stored energy it is able to withstand constant high voltage surges and low voltage brownouts.

An on-line UPS is perfect for situations where there are extreme voltage fluctuations and the equipment connected to it is highly sensitive. The line-interactive and the stand-by UPS are slightly cheaper than this one and were once used only in large consumption installatiions. There are smaller consumer equipment on the market today that only use about 500 watts of power. They are convenient for locations where there are large numbers of noise-making equipments such as those seen in large industries. Apart from this they may require a back up generator to supply an uninterrupted power supply to these equipments.

This powerful UPS system is more advanced and more expensive than the other two UPS systems due to the fact it has an advanced cooling system that efficiently provides energy sources to your equipment and a powerful AC to DC converter. No power transmission switches are required on this on-line UPS system as the converter moves out of the circuit when there is a power cut and then when it is connected back to the main power supply it will resume charging.

You can decide which uninterruptible power supply system is best for you based on the two designs and functions. Whether it is for your home or office or a large organisation or industry, uninterruptible power supplies will provide you an uninterrupted power supply always.

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