UPS - Uninterrupted Power Supply
Uninterrupted Power Supply is an electrical equipment that provides emergency power to an electric device, in case of power failure. It is typically used to protect computer Systems or large Data Centers from unexpected power disruption or voltage fluctuations.
The Backup is provides by a battery that always provides power to the system. UPS can be classified into 2 types on the basis of their working :-
- Standby Power Systems - It monitors the power line and switches to battery power as soon as it detects a problem.
- On-line UPS - It constantly provides power to the system, even when power line is working properly.