what is UPS and what are its uses?
Show More Ask Question

1 Answer

Answer :

Ups means uninterrupted power supply

It supplies power when there is power supply outage. This is done by storing power in battery banks while power is on and then during power outage the DC  in battery is converted to a.c by inverters
Like 0 like
Next Page →


Description : what is UPS ?

Answer : UPS is Uninterrupted Power Source

Description : Write short note on UPS and its usage in railway system.

Answer : Ans. Ideally, the voltage supply by the utility system should be perfect sine wave without any harmonics, at its nominal frequency of 50 Hz and at its nominal magnitude. In practice however voltage can ... load from one source to the other results in the least amount of disturbance seen by the load.

Description : What is UPS how it works?

Answer : Ans. An UPS is a device which supply un interrupted power supply. This works on the principle of charging the batteries when normal power is available and take power during power is failed.

Description : What is the need of UPS?

Answer : 1) An Uninterruptible Power Supply (UPS) is used to protect critical loads from mains supply problems including spikes, voltage dips, fluctuations and complete power failures using a dedicated battery. 2)A UPS system can also be used as standby system when AC mains is failed.

Description : Define transfer time and back up time of UPS.

Answer : Transfer time of UPS: The transfer time, sometimes also called switchover time, is the amount of time the UPS will take to switch from utility to battery supply during a mains failure, or from battery to ... is the amount of time for which the UPS will supply the power to load during mains failure.