while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the num

while buying 30 kva on line ups for 1 phase ouput, we ave
to calculate the number of batteries for 2 hours back up?
how to calculate the ah rating and number of batteries

Question Posted / scrbsuresh

1 Answers
4040 Views
I also Faced
E-Mail Answers

while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the number of batteries for..

Answer / k.prakashchandra

AH of each battery X numder of batteries x voltage of each
battery = load x back up hours .AH of battery x total
voltage = stored energy which when divided by load gives
the back up period

Is This Answer Correct ?

3 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

Why the vector group of excitation transformer in static excitation system is Dy5?

2 Answers CSEB, SRF,

how to calculate compresor capacity?

0 Answers

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

3 Answers

how many methods for starting an induction motor?

7 Answers Hindustan Unilever Limited, Hyundai, TPL,

what is the path of electron when a static electron is placed in a magnetic field?

1 Answers

which pole motor is best ?4 pole motor or 6 pole motor,why?

2 Answers

I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

0 Answers

In a single how much maximum current and watts using

0 Answers

How much pole motor can be desion for 415 volt ,50 hz.Power supply. in pratical condition . Prakash veer singh

5 Answers

What is dynamo?How it works and what is the function of dynamo in a DG.

3 Answers Amrapali,

What will happen if mains neutral and generator neutral shorted?

2 Answers Betts, Suzlon,

What is the function of interposing current transformer?

0 Answers

For more Electrical Engineering Interview Questions Click Here