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 6 of 13.

SASI said:   9 years ago
Friends, this is my interview question.

Please explain transformer with ohms law.

Virendra mandloi said:   1 decade ago
Why we note transformer's power in kva or mva? but why we do not in khva or mhva?

Mohd tajammul akhter said:   1 decade ago
The transformer rating in kva when 2kv is multiplied by 8a then it become 16kva.

Sindhuri said:   1 decade ago
Power = Voltage*Current.

Power on load side = V2*I2.

Here P = 2kv*8A.

=16kvA.

Anshuman said:   1 decade ago
Power = Voltage*Current.

Power on load side = V2*I2.

Here P = 2kv*8A.

=16kvA.

Rabindra Das said:   1 decade ago
Transformer always rating in KVA that means voltage *current.

So 8*2 = 16 KVA.

Pravin said:   1 decade ago
But friend transformer reading in kva.
That means p = vi cos phi power factor.

Ravikant said:   1 decade ago
Why the losses (c&i) are calculaed in kva of transformer why not in kw?

Sanju said:   1 decade ago
We know that t/f raiting is KVA
So,
kva=kilo volt*A(amp..)
2*8=16KVA

POOJA GUPTA said:   1 decade ago
WE KNOW THAT,

POWER ON LOAD SIDE,

SO,

P = V2*I2.

P = 8A*2KV = 16 KVA.


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