How to know the back up time for a 5KVA UPS which is
connected to 15 nos. of computers? Is there any formula for
this? pls. tell me.
- 1 Answers
- 3341 Views
- HAL, I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Back up time is decided by batteries and the load.The
formula is simple. B/U time in hrs = stored energy in
batteries (AH x V(both of each battery) X Number of
batteries)/Load in Watt
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
Why corona leads to production of Ozone and glow of the color VOILET?
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
How I calculate the ELCB for circuit breakers?
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
briefly explain principle of resistance welding
What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?
What are the three major categories of error?
What does the term supermesh means?
What is the disadventage of gland earthing(power cable) if any. ?
what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?
How to address the servo drive for motor
What is the function of interposing current transformer?
Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?
Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you
