- Stands for Uninterruptible Power Supply and also called as battery backup.
- Supplies and maintains continuous power supply to connected equipments.
- When power failure occurs UPS switches from power utility to its own power source instantaneously.
- UPS is placed between power source and load to be protected (monitor, printer etc.).
- It requires typically more than 5 hours to charge fully.
- Used in small offices, home, personal computers etc.
Benefits of using UPS
- Power failures - input power source fails.
- Power surges - increase in voltage.
- Power sags - decrease in voltage.
- High voltages spikes - are short duration and fast changing high voltages.
- Frequency variations - random changes in frequencies.
- Brownouts - reduction in power supply.
- Harmonic distortion - alteration in original shape of sound or waveforms.
- Never switch it off from power supply.
- Charge and discharge it regularly.
- Keep it in cool and safe place.