Summary: 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.Which one is good for us and how can we tell?
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 double-conversion is utilised by the on-line uninterruptible power supply. This means it takes in the AC input that is available from the main utility source and then converts it into DC power. This is necessary for it to pass through the battery. Once this is done it converts it back to AC power which runs 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. This has the ability to suffer Low voltage brownouts and high voltage surges without using up any stored energy.
An on-line UPS is perfect for situations where there are extreme voltage fluctuations and the equipment connected to it is highly sensitive. This type was only used in the earlier days for larger consumption installations, but they are more expensive than the line-interactive and the stand by UPS. They are available now however, in smaller consumer equipments. These use about 500 watts of power. Large industries that have vast numbers of noise-making equipment generally will use this as they are convenient to this type of environment. To supply uninterrupted power supply to these equipments it is necessary to have the backup of a generator.
Due to the fact that they have a powerful AC to DC converter and an advanced cooling system, they are more expensive than the other two types of UPS systems. They do however, provide efficient energy sources to your equipment. 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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