why we not connect the 12 V batteries in parallel to get
the more backup supply ? how to calculate the input wattage
and output wattage of an UPS ?

Answer Posted / pozhilan.s

input wattage calculation is input voltage multiply to
input consume current. V input x I input in VA. output
wattage calculation is v output x i output x power factor.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain full duplex and half duplex.

592


How to select lightning arrester for line trap? What are the criteria?

1621


Define the meaning of tristate signal in electronics?

554


Explain the importance and effect of if in radio receiver?

591


Differentiate between microcontroller and microprocessor.

642






Define mean life of a carrier.

616


Define what happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

669


12. Multiprogramming nd multithreading.. Which of these are better? a.multiprogramming b.multithreading c.depends on the system d.both are efficient

4001


Explain the use of excitation table in digital electronics?

481


Define breakdown voltage.

570


what is an industrial electronics engineer ? what he does ? what specialities and experties he should have ? what are the difference between industrial electronics engineer & electronics engineer & electrical engineer ?

1660


explain the output of the lexical analyser is

2736


Why an ordinary junction transistor is called bipolar?

692


Is fan out of ECL logic family is high?give reason for yes or no?

1832


Why use -48v power to BTS

1649