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  • 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.

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Tip Box

  • Never switch it off from power supply.
  • Charge and discharge it regularly.
  • Keep it in cool and safe place.




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