UPS

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What is a UPS?

UPS stands for Uninterruptible Power Supply. An Uninterruptible Power Supply (UPS) is an electrical device used to provide emergency electrical power to different electrical loads in the case of a main power supply failure. A UPS or uninterruptible power supply uses batteries and supercapacitors to store electrical energy and delivers this stored electrical energy when the main input power supply fails. However, a typical UPS battery can supply electrical power for a short duration. Hence, UPSs are mostly used as short run time backup power sources for small loads.

In addition to supplying emergency electrical power to the loads, a UPS also protects sensitive equipment such as computers, data centers, TV sets, industrial process control and monitoring systems, and many other electronic devices.

A UPS is commonly used with computers that keep running a computer for a short time, about 15 to 30 minutes, after the failure of supply mains. Therefore, it prevents the sudden turn off of the computer and loss of data in the system, and other system failures. These days, there are several types of UPS systems available in the market. Some smart UPS systems are also available that come with software components that enables us to automate the switching function of the backup supply when we are away from the computer system.

Applications of UPS

These days, UPS systems are very common in almost all electrical and electronic systems. Following are some of the important applications of different types of UPS systems −

  • UPS systems are used in computer data centers.

  • UPS systems are used in industrial control and monitoring systems.

  • UPS systems are also used in telecommunication systems.

  • They are also used in hospitals, banks, insurance offices, and other commercial applications for backup power, etc.

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