Interested to Buy Any Domain ? << Click Here >> for more details...
On a 10 KVA UPS we have to provide a DC MCB for Battery bank
of 16 nos (12 V 65 AH).
What Shall be the current rating of DC MCB ?
- 6 Answers
- 15634 Views
- RR, TNEB Tamil Nadu Electricity Board, I also Faced
- E-Mail Answers
Answer Posted / ravi v nair
Battery banks are always connected in series so the total
voltage of the battery bank will be
12*16=192V
10KVA=10000VA
A=10000/192=52.08
we need a 55A DC MCB
| Is This Answer Correct ? | 7 Yes | 2 No |
Post New Answer View All Answers
HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
Define ohm’s law for a.c (alternating current)?
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
IN dc capacitive reactance is??
CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor
my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
what is the voltage between earth to neutral in lift.
What is difference between insulating medium and fault current interruption medium in a switching device.
What is a fuse? How does it work? What are materials used?
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
How LT megger works ?
what is the range of maximum DOL and SDS can be use for pump and fan application
