HOW TO CALICULATE THE LEAD ACID BATTERY AH AND HOW TO FIND THE 1.2KVA UPS BACK

HOW TO CALICULATE THE LEAD ACID BATTERY AH AND HOW TO FIND
THE 1.2KVA UPS BACKUP @ 1000WATTS LOAD?

Question Posted / swarna

2 Answers
3489 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

HOW TO CALICULATE THE LEAD ACID BATTERY AH AND HOW TO FIND THE 1.2KVA UPS BACKUP @ 1000WATTS LOAD?..

Answer / jagannathan.i

AH CALCULATION= KVA*OUTPUT POWER FACTOR*NO OF HOURS BACK
UP/DC LOW VOLTAGE* INVERTER EFFICIENCY*BATTERY UTILIZATION
FACTOR

BACKUP TIME= (BATTERY AH*BATTERY UTILIZATION FACTOR/DC
CURRENT)*60

Is This Answer Correct ?

0 Yes

0 No

HOW TO CALICULATE THE LEAD ACID BATTERY AH AND HOW TO FIND THE 1.2KVA UPS BACKUP @ 1000WATTS LOAD?..

Answer / k.k dash

back up time calculation formula is=volts*no of battery*ah*60*0.7/va

answer will be in minute

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

what is doid

0 Answers

The rating of Transformer are 11KV, 22KV, 33KV instead of 10KV, 20KV & 30KV?

2 Answers

What is LOP Sensor in DG??????

7 Answers Emerson,

which starter is used for synchronous motor

18 Answers APTransco, IBM,

WHAT IS THE SETTING OF OVERLOAD RELAY AND UNDER VOLTAGE RELAY IN PERCENTAGE?

2 Answers

what is the difference b/w UHVDC and HVDC(LIGHT)?

4 Answers L&T,

i need about 10 years of GATE solved papers in pdf format and even mock tests toooo

0 Answers

why transformer do not rotate?

3 Answers

What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

0 Answers

how to get bearing & winding temperature of an induction motor?

0 Answers

what is ELCB?

10 Answers Wipro,

how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

1 Answers Toshiba,

For more Electrical Engineering Interview Questions Click Here