Electrical Engineering - Transformers - Discussion

Discussion Forum : Transformers - General Questions (Q.No. 1)
1.
What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?
4 kVA
0.25 kVA
16 kVA
8 kVA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
121 comments Page 3 of 13.

Azhagu said:   1 decade ago
Output = Max I x Secondary voltage

= 8A *2000 V

= 16 KVA.

Chakri said:   1 decade ago
kVA=(Secondary Voltage)*(Secondary Current)
=(2000*8)=16kVA

A.Harish said:   1 decade ago
Load current means secondary current, already we know secondary voltage.

So output load is i*v=kva
i=8A and v=2KVA
So i*v=16kva.

Paresh said:   1 decade ago
Why we rating in kva?

Rahul Prajapati said:   1 decade ago
Because all losses ( core losses and copper losses ) are calculated in kva. That is why transformer is rated in kva.

K.vijay anand said:   1 decade ago
KVA = ( VOLTS * AMP )/1000 = ( 2000 * 8 ) /1000 = 16

Gautam said:   1 decade ago
KVA=(V*A)/1000=>(16000/8)=>16
KVA=16

Piyush said:   1 decade ago
Because of we find kva that means we have to multiply with current so that.

Ans= 2kv*8 (given) =16kva.

Venkatesh said:   1 decade ago
Suppose 2kv is given as 2v then what is the answer.

Navneet kumar said:   1 decade ago
kva
=volt*ampere/1000

=2000*8/1000

=16


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