On-line UPS

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 Definition: On-line UPS abbreviated as OUPS is a type of UPS that uses a combination of rectifier and inverter circuits in order to provide continuous power to the load from the supply source without any interruption. From continuous power here we mean that power is supplied to the load in case of availability from the source and power outage as well with zero transfer time.

On-line UPS is sometimes also known as double-conversion system. The reason for calling it so because, within an online UPS system, power conversion occurs twice as the circuit includes a rectifier and an inverter.

ill go through a detailed idea of how an online ups system works. But before that let us have an introductory idea about-

What is UPS?

UPS is an acronym used for Uninterruptible Power Supply and serves as a central element of an accurately designed power protection system. Here the name itself is indicating that it is somewhat denoting a supply source that offers continuous power i.e., without interruption.

Thus, in simplest form, one can define UPS, as a supply system that offers uninterrupted power to the ac load by converting dc into ac. Basically, there are enormous fields that require a continuous source of power without any interruption. Some of these fields are:

  • Medical care systems,
  • Safety monitoring systems,
  • IT and networking fields,
  • Data centers,
  • AMT units.

As loss of power supply in the functioning of these systems may lead to severe consequences such as removal of important data.


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